34||h<10)||t.addEventListener(\"progress\",function(t){e.lastSize=t.loaded},w(!1))}),u.on(\"open-xhr-start\",function(t){this.params={method:t[0]},o(this,t[1]),this.metrics={}}),u.on(\"open-xhr-end\",function(t,e){\"loader_config\"in NREUM&&\"xpid\"in NREUM.loader_config&&this.sameOrigin&&e.setRequestHeader(\"X-NewRelic-ID\",NREUM.loader_config.xpid);var n=f(this.parsedOrigin);if(n){var r=!1;n.newrelicHeader&&(e.setRequestHeader(\"newrelic\",n.newrelicHeader),r=!0),n.traceContextParentHeader&&(e.setRequestHeader(\"traceparent\",n.traceContextParentHeader),n.traceContextStateHeader&&e.setRequestHeader(\"tracestate\",n.traceContextStateHeader),r=!0),r&&(this.dt=n)}}),u.on(\"send-xhr-start\",function(t,e){var n=this.metrics,r=t[0],o=this;if(n&&r){var i=m(r);i&&(n.txSize=i)}this.startTime=a.now(),this.listener=function(t){try{\"abort\"!==t.type||o.loadCaptureCalled||(o.params.aborted=!0),(\"load\"!==t.type||o.called===o.totalCbs&&(o.onloadCalled||\"function\"!=typeof e.onload))&&o.end(e)}catch(n){try{u.emit(\"internal-error\",[n])}catch(r){}}};for(var s=0;s1?t[1]=i:t.push(i)}else t[0]&&t[0].headers&&e(t[0].headers,o)&&(this.dt=o)}),u.on(\"fetch-start\",function(t,e){this.params={},this.metrics={},this.startTime=a.now(),this.dt=e,t.length>=1&&(this.target=t[0]),t.length>=2&&(this.opts=t[1]);var n,r=this.opts||{},i=this.target;\"string\"==typeof i?n=i:\"object\"==typeof i&&i instanceof g?n=i.url:window.URL&&\"object\"==typeof i&&i instanceof URL&&(n=i.href),o(this,n);var s=(\"\"+(i&&i instanceof g&&i.method||r.method||\"GET\")).toUpperCase();this.params.method=s,this.txSize=m(r.body)||0}),u.on(\"fetch-done\",function(t,e){this.endTime=a.now(),this.params||(this.params={}),this.params.status=e?e.status:0;var n;\"string\"==typeof this.rxSize&&this.rxSize.length>0&&(n=+this.rxSize);var r={txSize:this.txSize,rxSize:n,duration:a.now()-this.startTime};s(\"xhr\",[this.params,r,this.startTime,this.endTime,\"fetch\"],this)})}},{}],18:[function(t,e,n){var r={};e.exports=function(t){if(t in r)return r[t];var e=document.createElement(\"a\"),n=window.location,o={};e.href=t,o.port=e.port;var i=e.href.split(\"://\");!o.port&&i[1]&&(o.port=i[1].split(\"/\")[0].split(\"@\").pop().split(\":\")[1]),o.port&&\"0\"!==o.port||(o.port=\"https\"===i[0]?\"443\":\"80\"),o.hostname=e.hostname||n.hostname,o.pathname=e.pathname,o.protocol=i[0],\"/\"!==o.pathname.charAt(0)&&(o.pathname=\"/\"+o.pathname);var a=!e.protocol||\":\"===e.protocol||e.protocol===n.protocol,s=e.hostname===document.domain&&e.port===n.port;return o.sameOrigin=a&&(!e.hostname||s),\"/\"===o.pathname&&(r[t]=o),o}},{}],19:[function(t,e,n){function r(t,e){var n=t.responseType;return\"json\"===n&&null!==e?e:\"arraybuffer\"===n||\"blob\"===n||\"json\"===n?o(t.response):\"text\"===n||\"\"===n||void 0===n?o(t.responseText):void 0}var o=t(22);e.exports=r},{}],20:[function(t,e,n){function r(){}function o(t,e,n,r){return function(){return u.recordSupportability(\"API/\"+e+\"/called\"),i(t+e,[f.now()].concat(s(arguments)),n?null:this,r),n?void 0:this}}var i=t(\"handle\"),a=t(32),s=t(33),c=t(\"ee\").get(\"tracer\"),f=t(\"loader\"),u=t(25),d=NREUM;\"undefined\"==typeof window.newrelic&&(newrelic=d);var p=[\"setPageViewName\",\"setCustomAttribute\",\"setErrorHandler\",\"finished\",\"addToTrace\",\"inlineHit\",\"addRelease\"],l=\"api-\",h=l+\"ixn-\";a(p,function(t,e){d[e]=o(l,e,!0,\"api\")}),d.addPageAction=o(l,\"addPageAction\",!0),d.setCurrentRouteName=o(l,\"routeName\",!0),e.exports=newrelic,d.interaction=function(){return(new r).get()};var m=r.prototype={createTracer:function(t,e){var n={},r=this,o=\"function\"==typeof e;return i(h+\"tracer\",[f.now(),t,n],r),function(){if(c.emit((o?\"\":\"no-\")+\"fn-start\",[f.now(),r,o],n),o)try{return e.apply(this,arguments)}catch(t){throw c.emit(\"fn-err\",[arguments,this,t],n),t}finally{c.emit(\"fn-end\",[f.now()],n)}}}};a(\"actionText,setName,setAttribute,save,ignore,onEnd,getContext,end,get\".split(\",\"),function(t,e){m[e]=o(h,e)}),newrelic.noticeError=function(t,e){\"string\"==typeof t&&(t=new Error(t)),u.recordSupportability(\"API/noticeError/called\"),i(\"err\",[t,f.now(),!1,e])}},{}],21:[function(t,e,n){function r(t){if(NREUM.init){for(var e=NREUM.init,n=t.split(\".\"),r=0;r0){var r=n[n.length-1];if(c&&cl.offset&&e<=Date.now()?(e-=l.offset,n.fid=l.now()-e):e=l.now(),g=!0,p(\"timing\",[\"fi\",e,n])}}function s(t){\"hidden\"===t&&(c=l.now(),p(\"pageHide\",[c]))}if(!(\"init\"in NREUM&&\"page_view_timing\"in NREUM.init&&\"enabled\"in NREUM.init.page_view_timing&&NREUM.init.page_view_timing.enabled===!1)){var c,f,u,d,p=t(\"handle\"),l=t(\"loader\"),h=t(31),m=t(23),v=NREUM.o.EV;if(\"PerformanceObserver\"in window&&\"function\"==typeof window.PerformanceObserver){f=new PerformanceObserver(r);try{f.observe({entryTypes:[\"paint\"]})}catch(w){}u=new PerformanceObserver(o);try{u.observe({entryTypes:[\"largest-contentful-paint\"]})}catch(w){}d=new PerformanceObserver(i);try{d.observe({type:\"layout-shift\",buffered:!0})}catch(w){}}if(\"addEventListener\"in document){var g=!1,y=[\"click\",\"keydown\",\"mousedown\",\"pointerdown\",\"touchstart\"];y.forEach(function(t){document.addEventListener(t,a,m(!1))})}h(s)}},{}],29:[function(t,e,n){function r(){function t(){return e?15&e[n++]:16*Math.random()|0}var e=null,n=0,r=window.crypto||window.msCrypto;r&&r.getRandomValues&&(e=r.getRandomValues(new Uint8Array(31)));for(var o,i=\"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx\",a=\"\",s=0;sArticle metrics are unavailable at this time. Please try again later.\n", "signpostsNewArticleErrorTemplate", "26f4c11d-d278-4cae", "", "\n Article metrics are unavailable for recently published articles.\n", "signpostsTemplate", "a8f67fb6-b6b6-4316", "", "\n \n <%= s.numberFormat(saveCount, 0) %>\n \n \n\n \n <%= s.numberFormat(citationCount, 0) %>\n \n \n\n \n <%= s.numberFormat(viewCount, 0) %>\n \n \n\n \n <%= s.numberFormat(shareCount, 0) %>\n \n \n", "article-meta", "70656270-cbb7-4acf", "", "classifications", "7747e6a5-eef0-4c9e", "", "license-short", "licenseShort", "833a8ce4-2cd9-4420", "", "Open Access", "peer-reviewed", "peerReviewed", "e57f7ea7-2eb0-4bbc", "", "Peer-reviewed", "article-type", "c1eefc1c-cb17-4d82", "", "type-article", "artType", "9be85600-65bd-4be3", "", "\n\n\n ", "article-title-etc", "de7a94b3-1968-4050", "", "title-authors", "e41cc5e5-3872-4e3b", "", "H1", "artTitle", "5cb5008d-771c-43af", "", "?xml version=\"1.0\" encoding=\"UTF-8\"?", "author-list clearfix", "data-js-tooltip", "tooltip_container", "author-list", "31ebf156-7bdf-42a2", "", "tooltip_trigger", "09db61e9-090a-4c7b", "", "\n ", "data-author-id", "author-name", "98962f71-b4fb-41d6", "", "\nAbdulaziz G. Alghamdi ", "email", "52dccca2-fdba-4dcb", "", " ", ",", " ", "author-meta-0", "author-info", "tooltip_target", "f8366f00-bbe9-49eb", "", "\n\n \n ", "roles", "authRoles", "a60fad03-f9fe-408b", "", "642c706c-7e3e-4a4e", "", "Roles", "\n Conceptualization,\n\n Data curation,\n\n Funding acquisition,\n\n Investigation,\n\n Methodology,\n\n Software,\n\n Supervision,\n\n Visualization,\n\n Writing \u2013 original draft,\n\n Writing \u2013 review & editing\n ", "authCorresponding-0", "86cfd284-c95e-42aa", "", "7f85ce92-ed9d-40f8", "", "* E-mail:", "mailto:agghamdi@ksu.edu.sa", "bf758721-3508-4151", "", "agghamdi@ksu.edu.sa", "authAffiliations-0", "7ca1f8fe-28bf-4b27", "", "1cc6f428-8782-40c4", "", "Affiliation", "\n Department of Soil Sciences, College of Food and Agriculture Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia\n ", "ef6f8b7b-e638-4911", "", "orcid", "authOrcid-0", "3bc430dc-2d05-4179", "", "e1d732d9-f64a-4ebd", "", "connect-orcid-link", "https://orcid.org/0000-0001-9349-6735", "ORCID Registry", "81faed2e-90b9-469f", "", "IMG", "orcid-id-logo", "/resource/img/orcid_16x16.png", "16", "alt", "ORCID logo", "ca83da82-4fb6-45bf", "", "\n https://orcid.org/0000-0001-9349-6735\n ", "\n\n ", "tooltip_close", "close", "tooltipClose0", "add0e71b-b069-4d8a", "", " \u2a2f ", "2c3b68d8-39b9-49bd", "", "ffb317ea-b5df-4b1e", "", "\nMohamed H. EL-Saeid,", "author-meta-1", "bc184fc3-56e6-45ca", "", "a66ce272-ae27-4468", "", "defd7b9c-d60a-47f0", "", "\n Investigation,\n\n Project administration,\n\n Resources,\n\n Validation,\n\n Writing \u2013 original draft,\n\n Writing \u2013 review & editing\n ", "\n \n ", "authAffiliations-1", "af3ab751-762c-4307", "", "e18b3ce4-af50-41af", "", "tooltipClose1", "00b73bed-3d07-4efc", "", "14d2210d-c04b-4e5a", "", "2", "61625fa3-78e7-4d73", "", "\nAbdulhakim J. Alzahrani,", "author-meta-2", "e99f673f-e0fa-4c36", "", "71a09365-ee5d-458e", "", "b639c3a7-4dcf-4c20", "", "\n Conceptualization,\n\n Data curation,\n\n Formal analysis,\n\n Investigation,\n\n Methodology,\n\n Software\n ", "authAffiliations-2", "3e52ab96-f3fe-406c", "", "3d535c08-ff68-4d62", "", "tooltipClose2", "84f152eb-69cd-453a", "", "96cd11ea-d6dd-45dc", "", "3", "7a1652da-a027-454e", "", "\nHesham M. Ibrahim", "author-meta-3", "551a192e-7663-474b", "", "a54e872c-b34c-4583", "", "ae29976d-d3f0-4915", "", "\n Conceptualization,\n\n Data curation,\n\n Software,\n\n Validation,\n\n Writing \u2013 review & editing\n ", "authAffiliations-3", "e6e17f55-0812-4a89", "", "439f7391-9487-4d74", "", "Affiliations", "\n Department of Soil Sciences, College of Food and Agriculture Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia, \n Department of Soils and Water, Faculty of Agriculture, Suez Canal University, Ismailia, Egypt\n ", "34d0b76f-d4b8-4925", "", "authOrcid-3", "5bb5b1b1-20b6-461a", "", "bb8d3b27-3519-48ab", "", "https://orcid.org/0000-0002-0320-0943", "7d00dd58-7ded-49db", "", "9188de85-592b-4a14", "", "\n https://orcid.org/0000-0002-0320-0943\n ", "tooltipClose3", "c761fc49-8a46-47db", "", "/resource/js/components/tooltip.js", "56f7c46c-d166-447b", "", "floatTitleTop", "data-js-floater", "title_author", "float-title", "presentation", "c802a6bd-638c-489b", "", "c19d475e-291f-4e74", "", "float-title-inner", "50383c3c-72ee-4504", "", "6278f05b-f85f-4c33", "", "floatAuthorList", "floated_authors", "d3a3005b-b694-4577", "", "data-float-index", "c6262fb1-7b24-47a8", "", "Abdulaziz G. Alghamdi,\u00a0\n\n ", "eb49a865-180b-4494", "", "Mohamed H. EL-Saeid,\u00a0\n\n ", "532708b3-ae80-460e", "", "Abdulhakim J. Alzahrani,\u00a0\n\n ", "4", "1acd50f2-e633-4963", "", "Hesham M. Ibrahim\n\n ", "\n\n\n\n ", "logo-close", "titleTopCloser", "6b78a7a5-893f-4354", "", "/resource/img/logo-plos.png", "height: 2em", "PLOS", "6c13b227-ff1a-4de2", "", "close-floater", "3ebf4b2b-3a1e-46e7", "", "x", "date-doi", "94eaaf31-20cd-4835", "", "artPubDate", "ceb04eb4-da93-423f", "", "Published: January 6, 2022", "artDoi", "0b95abb6-4274-4ca8", "", "https://doi.org/10.1371/journal.pone.0261957", "23ceba09-cbf1-4e0c", "", "flex-spacer", "0807d28a-3f29-498a", "", "287a7652-9750-4e2c", "", "article-body", "62629fcf-420c-48bf", "", "article-tabs", "59a3b865-3036-4138", "", "tab-title active", "tabArticle", "8ba29d11-ffca-475a", "", "\n ", "/plosone/article?id=10.1371/journal.pone.0261957", "article-tab-1", "e85fc351-0e62-4a28", "", "Article", "\n\n\n ", "tab-title ", "tabAuthors", "3f1448b6-9fd0-4ef4", "", "/plosone/article/authors?id=10.1371/journal.pone.0261957", "article-tab-2", "3c995d87-f70c-4c98", "", "Authors", "\n\n\n ", "tabMetrics", "a97eed54-1da7-45e0", "", "/plosone/article/metrics?id=10.1371/journal.pone.0261957", "article-tab-3", "b986867f-df44-45ee", "", "Metrics", "tabComments", "75a6452f-6926-4c1d", "", "/plosone/article/comments?id=10.1371/journal.pone.0261957", "article-tab-4", "61399b47-2eed-4581", "", "Comments", "tab-title", "tabRelated", "b362a45f-d58c-4eef", "", "article-tab-5", "tabRelated-link", "https://plos.altmetric.com/details/120371229/news", "a3b437bb-7c84-4869", "", "Media Coverage", " \n ", "3fbd75a4-855d-4f60", "", "$(document).ready(function() { $.getMediaLink(\"10.1371/journal.pone.0261957\").then(function (url) { $(\"#tabRelated-link\").attr(\"href\", url) } ) })", "article-container", "4a811f6c-a5bf-4004", "", "nav-article", "position: static; top: 90px;", "6387079b-50ba-40ba", "", "nav-page", "7b9d7539-2283-46e8", "", "abstract0", "2523c895-062b-4cfd", "", "#abstract0", "scroll", "44b207fe-51b4-40db", "", "Abstract", "sec001", "56b39a65-60a7-477c", "", "#sec001", "35792a14-4905-4370", "", "Introduction", "sec002 active", "8273d4ff-78c6-4466", "", "#sec002", "950eb658-3c0d-4f13", "", "Materials and methods", "sec013", "22c666a2-a9e6-4926", "", "#sec013", "ab20f5a6-d52a-4c2e", "", "Results and discussion", "sec020", "92b05cf8-bffd-4299", "", "#sec020", "6e05d80e-be4d-4166", "", "Conclusion", "references", "529064b2-37df-45b2", "", "#references", "3e30205a-5afc-40ed", "", "References", "nav-secondary", "ab025fff-0d48-4405", "", "nav-comments", "c3e95ba7-3e28-4d17", "", "article/comments?id=10.1371/journal.pone.0261957", "689f6743-1f69-4911", "", "Reader Comments", "nav-figures", "e63ef1a8-0d16-4aea", "", "data-doi", "e5c9ff00-4d22-451c", "", "Figures", "nav-data-linking", "data-data-url", "004e2b2d-0421-48ac", "", "/resource/js/components/scroll.js", "16fba490-90fa-48e4", "", "/resource/js/components/nav_builder.js", "d93e10e1-332f-446b", "", "/resource/js/components/floating_nav.js", "8ea9d4e7-0186-472b", "", "figure-lightbox-container", "72175134-14e6-4307", "", "figure-lightbox-template", "79656909-155a-4013", "", "\n \n", "image-context-template", "3461191b-09cc-4936", "", "\n \n \n \n", "article-content", "2071e64a-e916-4e31", "", "\n\n\n\n\n\n\n\n", "/resource/js/vendor/jquery.touchswipe.js", "82a2c03e-d187-46b0", "", "/resource/js/components/figure_carousel.js", "31ac2ba5-dab6-4c12", "", "d654ab50-0c14-4f17", "", "\n\n\n ", "article-text", "artText", "985e0ff2-a3dc-45b2", "", "\n \n\n\n\n", "xmlns:plos", "http://plos.org", "abstract toc-section abstract-type-", "71f3b6ff-d46d-4af3", "", "data-toc", "link-target", "5fd6fcf4-6911-428d", "", "H2", "72502ae5-1c47-4340", "", "abstract-content", "c3b386df-8f68-415b", "", "article1.front1.article-meta1.abstract1.p1", "2a502441-cf60-4754", "", "9cfa96ae-e152-4967", "", "figure-carousel-section", "1f896ff7-6465-4506", "", "2c855537-e86b-45d3", "", "figure-carousel", "b0ceb425-6862-4e8b", "", "carousel-wrapper", "23e31846-cd29-4082", "", "slider", "9f5f613e-fb01-4818", "", "carousel-item lightbox-figure clone", "10.1371/journal.pone.0261957.g005", "ba828b51-847f-40c3", "", "\n\n ", "/plosone/article/figure/image?size=inline&id=10.1371/journal.pone.0261957.g005", "loading", "lazy", "Fig 5", "747a68bf-a513-4db3", "", "\n\n ", "empty carousel-item clone", "4469cfbb-c232-4439", "", "0933f1da-fa04-476b", "", "carousel-item lightbox-figure", "10.1371/journal.pone.0261957.g001", "2dcb35a5-940c-46a0", "", "/plosone/article/figure/image?size=inline&id=10.1371/journal.pone.0261957.g001", "Fig 1", "b6e48e8b-9b8f-40b7", "", "10.1371/journal.pone.0261957.t001", "5e523887-f409-4d65", "", "/plosone/article/figure/image?size=inline&id=10.1371/journal.pone.0261957.t001", "Table 1", "767bf345-f3da-4fea", "", "10.1371/journal.pone.0261957.g002", "592c4186-5b71-4537", "", "/plosone/article/figure/image?size=inline&id=10.1371/journal.pone.0261957.g002", "Fig 2", "036943a4-fd90-4aa5", "", "10.1371/journal.pone.0261957.g003", "0e6330ed-a9a9-4448", "", "/plosone/article/figure/image?size=inline&id=10.1371/journal.pone.0261957.g003", "Fig 3", "2a6477b9-08ce-49b8", "", "10.1371/journal.pone.0261957.g004", "685f5b61-d820-45c2", "", "/plosone/article/figure/image?size=inline&id=10.1371/journal.pone.0261957.g004", "Fig 4", "f43c6914-8ff1-4378", "", "10.1371/journal.pone.0261957.t002", "c510a0c2-a152-4464", "", "/plosone/article/figure/image?size=inline&id=10.1371/journal.pone.0261957.t002", "Table 2", "856017c0-2b0f-456d", "", "e7970c23-7f44-43cf", "", "7c9ee648-42d1-4db3", "", "empty carousel-item", "c2098177-e74b-4e94", "", "cf777024-91ac-404b", "", "13567004-6531-4c82", "", "b0df1ca4-3ddb-4fde", "", "7900a7c9-5d3f-4658", "", "dd7d66a8-1436-4a45", "", "a9e492ab-cf92-4d31", "", "46851a60-c9eb-4685", "", "carousel-control", "d889d7f3-3b7f-4769", "", "button previous", "fc868a24-247a-40c9", "", "button next", "2d24d8d9-05d9-4c37", "", "carousel-page-buttons", "abebc0d3-d473-4757", "", "index active", "c89c8b92-b97e-4130", "", "\u00a0", "index", "dd0e08c7-30e9-4cd9", "", "835844d3-defa-406d", "", "articleinfo", "96763b73-70bb-4bbf", "", "3e77aa81-c6d6-4834", "", "STRONG", "8b9c67cb-8d05-486b", "", "Citation: ", "Alghamdi AG, EL-Saeid MH, Alzahrani AJ, Ibrahim HM (2022) Heavy metal pollution and associated health risk assessment of urban dust in Riyadh, Saudi Arabia. PLoS ONE 17(1):\n e0261957.\n \n https://doi.org/10.1371/journal.pone.0261957", "37860128-0b45-421f", "", "48c8d07c-9d3e-4a7c", "", "Editor: ", "Saqib Bashir, Ghazi University, PAKISTAN", "1ee9fd6e-a8cd-4fe2", "", "7ab239e1-c3ea-4215", "", "Received: ", "September 14, 2021; ", "03011574-ce15-4448", "", "Accepted: ", "December 15, 2021; ", "30d102cd-50a1-4651", "", "Published: ", " January 6, 2022", "fe76fce2-1b58-42cc", "", "4ecc8eaf-fe50-4178", "", "Copyright: ", " \u00a9 2022 Alghamdi et al. This is an open access article distributed under the terms of the ", "http://creativecommons.org/licenses/by/4.0/", "91c32d03-ef90-4d0e", "", "Creative Commons Attribution License", ", which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.", "22b6a3cd-03bc-4649", "", "f1560fa6-39cd-4529", "", "Data Availability: ", "All relevant data are within the manuscript.", "185c76a3-2a3e-4cab", "", "33da2b4c-6811-4c04", "", "Funding: ", "This article was supported by Deanship of Scientific Research, King Saud University, Riyadh, Saudi Arabia, research group no. RGP-1440-050.", "7d95d6e6-a94c-45cf", "", "c0132894-71a8-4229", "", "Competing interests: ", " The authors have declared that no competing interests exist.", "\n\n\n\n\n\n", "section1", "section toc-section", "17e83c3f-f9a7-4408", "", "efc79c16-1b42-412e", "", "ad5de1b9-034a-4abd", "", "article1.body1.sec1.p1", "a1e54c1f-827f-414d", "", "572495e8-a8fe-4187", "", "Dust storms are frequently produced by powerful constant winds acting on loose, fine, and dry soil. The Kingdom of Saudi Arabia is vulnerable to dust storms because of the sparse vegetative cover, drought, light-textured topsoil, and topography [", "#pone.0261957.ref001", "ref-tip", "fcd1319c-17d3-4ed6", "", "]. In particular, Riyadh\u2019s capital city is surrounded by desert and is at an altitude of 600 m; thus, it is subjected to numerous dust storms throughout the year. Al-Tayeb and Jarrar [", "#pone.0261957.ref002", "dd9c51ae-c9e4-417c", "", "] estimated that an average of 220-ton km", "SUP", "a8c7500a-d2aa-4445", "", "\u22122", " year", "9b1f164d-2926-4cef", "", "\u22121", " of dust falls on Riyadh. Issues associated with dust storms have been highlighted in other countries of Asia, such as China, Japan, and Korea [", "f4799497-e946-40f5", "", "]. Chang et al. [", "#pone.0261957.ref003", "5a6586b3-1a28-4edd", "", "] found that the frequency of emergency visits to National Taiean University Hospital and Shin Guang Memorial Hospital increased 1\u20133 days after a huge dust storm [", "93399ba6-6c64-4b25", "", "]. Problems were more severe for children aged 0\u20136 years with illness in the respiratory tract and cardiac patients. Dust adhering to surfaces can lead to significant problems for urban management. Surface dust can easily re-suspend in specific outdoor environments, and adsorbed pollutants may enter the bodies of humans and animals through direct skin contact and respiratory inhalation pathways, which poses a threat to health [", "#pone.0261957.ref004", "dcd52ded-482c-45b2", "", "]. Children and the elderly are more susceptible to such toxins because of their immature or age-compromised immune systems [", "#pone.0261957.ref005", "435baf53-95d8-4295", "", "5", "]. Dust can affect the human body differently depending on characteristics such as the heavy metal concentration, particle size, and particulate matter. Different heavy metals pose different levels of toxicity to the human body [", "#pone.0261957.ref006", "f78129ac-5c97-4145", "", "6", ", ", "#pone.0261957.ref007", "1acb1b21-0abf-4ab1", "", "7", "]. Studies have shown that heavy metals such as Pb can cause the central nervous system to deteriorate by impeding its proper functioning and can persist in children (<6 years and 6\u201312 years). Pb and Cd have been associated with lower academic and intelligence scores [", "#pone.0261957.ref008", "54ab40bd-db9b-45da", "", "8", "]. The Cd is used in a number of industrial processes and introduced into the environment from different point sources (metals manufacture, mining, metal plating, tanneries, battery, pigment and paper industries) leaving aqueous solutions with elevated concentrations [", "#pone.0261957.ref009", "c84e3e3b-1c16-46ca", "", "9", "]. The Zn, Cu, and Cd have also been shown to alter the central nervous system and respiratory system\u2019s roles and may also affect the endocrine system. Pollutants attached to dust may also be transferred to water bodies by runoff, which poses a serious threat to the water quality and human health [", "#pone.0261957.ref010", "22c29d53-f1f7-4fc2", "", "10", "#pone.0261957.ref011", "36b1681e-35f9-479e", "", "11", "]. Thus, surface dust is a complex environmental medium that acts as a non-point source of pollution [", "#pone.0261957.ref012", "72727268-e313-4cda", "", "12", "]. Research has shown that surface dust comprises of inputs from a wide range of sources, such as material from the nearby soils (transported through water), dry and wet atmospheric conditions, particles as a result of paint deterioration, particulate emissions, vehicle fluids, and particles from the weathering of buildings and sidewalks [", "#pone.0261957.ref013", "cfee9782-6fa7-409c", "", "13", "]. The size of dust particles has a critical impact on the movement of and it is related to the concentration of contaminants [", "51260d43-cce1-42e3", "", "]. Heavy metals such as Cu, Pb, Zn, and Cd in surface dust resulting from vehicle emissions, urbanization, and industrial activities are of specific concern because they affect atmospheric and human wellbeing on a large scale [", "#pone.0261957.ref014", "a6d02245-f540-4f50", "", "14", "]. Hence, studying urban surface dust characteristics is important for evaluating the urban environmental quality and its potential effects on human health in the area. Some studies have investigated the heavy metal pollution, distribution, and effects of road dust in several urban areas. However, no data are available on the toxicity and distribution of heavy metals in Riyadh\u2019s surface dust. The primary aim of this study was to identify the particle size distribution of surface dust associated with different areas of the Riyadh city, and to determine the heavy metal concentration in surface dust and calculate the risk to human health. The outcomes of this study will provide significant guidance to Riyadh\u2019s policy makers concerning measures such as replacing vehicles and controlling non-point source pollution to improve the environmental quality and health of children and adults on a long-term basis.", "section2", "11a556bd-0131-466f", "", "sec002", "2826c6ad-eddc-4d57", "", "87509cbe-9b08-4822", "", "fef706fa-2516-44a7", "", "sec003", "Study site and geography", "96fa7357-4206-42f6", "", "H3", "e3b2fa25-1fa8-4fb5", "", "article1.body1.sec2.sec1.p1", "f263aa6d-c7d5-45c2", "", "090c6214-8fd9-44ed", "", "The investigation was accomplished in Riyadh city, Saudi Arabia. Riyadh city is the capital of Saudi Arabia, with the following geographical points: latitude 24\u00b0-08\u00b0 north and longitude 47\u00b0-18\u00b0 east. Riyadh city is situated above 600 m sea level. It has an area of about 1800 km", "f3738421-2a0a-4b4e", "", " and was stated to be populated by approximately 7 million people in the year of 2016 [", "#pone.0261957.ref015", "47d99b8c-2769-411a", "", "15", "]. The investigated area has a very hot summer, with temperatures reaching up to 50\u00b0C or more, and an average temperature of 43\u00b0C. The overall climate is arid, with very little annual rainfall (22.6 mm); the relative humidity ranges from 10% to 42% throughout the year and winds storms occurred in summer (The General Authority of Meteorology and Environmental Protection (GAMEP), Saudi Arabian Government website: ", "http://www.pme.gov.sa/", "1daa8702-8f74-4513", "", "http://www.pme.gov.sa", ").", "3d11201f-9ff8-46c9", "", "sec004", "Collection and preparation of dust samples", "0a120ca2-26d1-444c", "", "7e4f39de-8901-4e87", "", "article1.body1.sec2.sec2.p1", "9ad7c8c7-498e-4ab4", "", "0c5a4229-308f-48a0", "", "Falling dust sampled locations is showed in ", "#pone-0261957-g001", "662b4374-1de9-4149", "", ". Samples were obtained from 50 different residential yards in the north, south, west, east, and central areas of the city with a vacuuming method using the Royal Vacuum Brand. The dust samples were taken from the top surface in each area, sealed in plastic bags, and brought back to the Department of Soil Sciences at King Saud University (Riyadh, Saudi Arabia) for analyses. The samples were prepared for measurements by being passed through a sieve with a 100-\u03bcm mesh screen to remove building debris and macro biological materials, including rodent droppings [", "#pone.0261957.ref016", "84f2493f-dbe9-49a4", "", "].", "pone-0261957-g001", "3ab6ff62-a9b1-4c4c", "", "figure", "5d002857-1e95-4bbd", "", "img-box", "c7d25762-4819-4f80", "", "Click for larger image", "article/figure/image?size=medium&id=10.1371/journal.pone.0261957.g001", "data-uri", "6d136c16-8501-47ed", "", "article/figure/image?size=inline&id=10.1371/journal.pone.0261957.g001", "thumbnail", "4448e35d-be70-48f7", "", "expand", "bbdef576-c382-4ffe", "", "figure-inline-download", "99be2ba7-1203-466b", "", "\n Download:\n ", "5a618fdd-1087-4868", "", "e1a1450b-768d-4384", "", "article/figure/powerpoint?id=10.1371/journal.pone.0261957.g001", "b45e7674-45da-4c9e", "", "definition-label", "7dc88cd5-cee9-41e0", "", "PPT", "definition-description", "8bab1cb6-f3bd-40e2", "", "PowerPoint slide", "e8bc8cd8-9290-4693", "", "article/figure/image?download&size=large&id=10.1371/journal.pone.0261957.g001", "0a7036c2-f7fd-4d99", "", "66f18ef5-68a6-4b1d", "", "PNG", "3d909914-f2bd-43dd", "", "larger image", "b8e497ac-16a5-4570", "", "article/figure/image?download&size=original&id=10.1371/journal.pone.0261957.g001", "f0858e97-0d54-4a28", "", "aa741e52-6502-4b0f", "", "TIFF", "1f0a6f14-9e3a-4c2b", "", "original image", "figcaption", "2903932d-787d-41f9", "", "4dc07dd5-1351-49cd", "", "Fig 1. ", " Air dust sampling locations.", "caption_target", "8d869ade-012d-4fa9", "", "caption_object", "f7d25f51-8035-4735", "", "https://doi.org/10.1371/journal.pone.0261957.g001", "6285eed5-abe1-47c4", "", "\n https://doi.org/10.1371/journal.pone.0261957.g001", "section3", "e5f3a618-3fcf-4f57", "", "sec005", "Analytical techniques", "9bafc451-9cfe-481d", "", "1e17f2a4-261c-423a", "", "article1.body1.sec2.sec3.p1", "a3b21b64-1311-4a3e", "", "bb776503-67c6-4a5c", "", "The collected surface dust samples were acid digested (HNO", "SUB", "89573906-924d-48f0", "", ") and analyzed for Cd, Cr, Cu, Mn, Ni, Pb, and Zn. Briefly, 0.5 g of a dust sample was placed in a conical flask and digested with 10 ml of hydrochloric acid on a hot plate. Then, 10 ml of concentrated nitric acid was added. After complete digestion, the remaining solution was filtered and diluted with deionized water. The heavy metal concentrations were analyzed by using inductively coupled plasma\u2013atomic emission spectroscopy (ICP-AES).", "section4", "43acbc87-f0d9-48e5", "", "sec006", "Particle size distribution", "606b60b9-07b2-499c", "", "3e7886db-eb08-4207", "", "article1.body1.sec2.sec4.p1", "510cdcb6-4c60-411a", "", "2380adc5-b351-44c3", "", "A laser diffraction method (Mastersizer 2000, Malvern Instruments Ltd., UK) was used to determine the particle size distribution based on volume and weight. The refractive indices of lactose (1.533) and isopropanol (1.378) were selected, and the default Polydisperse model was used as described [", "#pone.0261957.ref017", "5e1ebb31-3cf7-4aa2", "", "section5", "1fa253c5-24ea-4bc5", "", "sec007", "Statistical analysis", "23152114-5178-49f6", "", "dfecd717-3652-4b94", "", "article1.body1.sec2.sec5.p1", "e10ab75b-115f-4b7b", "", "6332473e-6159-450e", "", "To compare the mean values and outcomes from all parameters, a descriptive statistical analysis technique was performed by using Microsoft Excel \u00ae 2016.", "section6", "e0428d91-da25-40f8", "", "sec008", "Quality assurance", "090ffd6b-7cd1-498d", "", "1a7d2853-551c-4c25", "", "article1.body1.sec2.sec6.p1", "fc1f7493-4737-4e1a", "", "35646a37-4006-416c", "", "The precision, bias, and pollution were assessed by an analytical procedure using reagent blanks and sample replication. The analysis showed that the bias and precision were less than 10%.", "section7", "6f7b74e6-a128-48e6", "", "sec009", "Health risk index", "f6947bae-ca27-4743", "", "d65b3f91-dfa9-49b9", "", "article1.body1.sec2.sec7.p1", "16ca58b3-9fbe-4cd2", "", "9f9015a1-35b3-4b83", "", "The health risk index is globally applied to measure the potential health risk of surface dust particles [", "f471074d-4845-4a7b", "", "]. Dermal absorption and hand-to-mouth ingestion have been identified as the major pathways for toxins present in the surface dust to enter the human body. The health risk index involves calculating the following:\n", "pone.0261957.e001", "8fe2565f-294f-4532", "", "equation", "948985fb-b495-4eb3", "", "article/file?type=thumbnail&id=10.1371/journal.pone.0261957.e001", "inline-graphic", "261f7b3c-9805-4e96", "", "note", "cc1bdd99-152d-4d5e", "", "(1)", "pone.0261957.e002", "8c5ce31b-4485-4e8d", "", "a21e7802-6611-4ae3", "", "article/file?type=thumbnail&id=10.1371/journal.pone.0261957.e002", "24b408c9-91d6-4f5d", "", "4b1433ba-0e57-4fc6", "", "(2)", "EM", "50fd88eb-167d-4eab", "", "ADD", "cc15caee-5d2d-4f50", "", "130e96c9-dad7-4d78", "", "ing", " is the daily dose from the hand-to-mouth ingestion of substrate particles. ", "86a9e78d-a33e-48d2", "", "d9cf66f9-3817-4d73", "", "60083d06-f129-45c9", "", "der", " is the daily dose via dermal absorption of trace elements in particles stuck to exposed skin. ", "#pone-0261957-t001", "57466f42-b2ad-4602", "", " presents the remaining characteristics and their adopted values. The hazard quotient (HQ) was determined for six heavy metals and involves dividing the daily dose for each exposure pathway by the reference dose (RfD). The hazard index (HI) is the sum of the HQ values. If HQ or HI is less than 1, this indicates no significant risk of non-carcinogenic properties. Suppose HQ or HI is greater than 1, In that case, there is a possibility of non-carcinogenic impacts, and the possibility increases with HQ or HI [", "#pone.0261957.ref018", "943373ca-bcb0-4144", "", "18", "pone-0261957-t001", "0d3efe62-359a-48b8", "", "da7595d0-645f-4874", "", "fd52b037-b277-48bc", "", "article/figure/image?size=medium&id=10.1371/journal.pone.0261957.t001", "458416ed-50d7-4070", "", "article/figure/image?size=inline&id=10.1371/journal.pone.0261957.t001", "e1739361-13c3-4016", "", "5d1e72dc-344c-4cdc", "", "60bf2034-5e34-42b1", "", "9c757695-e9ed-4517", "", "9a9fc7e0-ba3a-4af6", "", "article/figure/powerpoint?id=10.1371/journal.pone.0261957.t001", "d0bd2e23-b53b-4b31", "", "fcb5dde0-1125-41a8", "", "d35055f5-00e7-4b99", "", "07127ab5-017e-44f9", "", "article/figure/image?download&size=large&id=10.1371/journal.pone.0261957.t001", "1c457eff-94b1-4235", "", "df1a1b12-2782-4c5c", "", "da45189d-c65a-4931", "", "cccf47a5-feea-451d", "", "article/figure/image?download&size=original&id=10.1371/journal.pone.0261957.t001", "01b8b21d-0385-4aa8", "", "0e69b012-6e1d-4364", "", "dac34032-1348-479a", "", "d38e686a-9e9d-4eb0", "", "0ff4136d-86cd-4314", "", "Table 1. ", " Parameter meaning and value of daily dose model of heavy metals in urban surface dusts.", "4f5007e1-c7f8-4f60", "", "77fa0373-4884-4109", "", "https://doi.org/10.1371/journal.pone.0261957.t001", "05c48672-371e-48d1", "", "\n https://doi.org/10.1371/journal.pone.0261957.t001", "section8", "b52452e5-c4a1-45d1", "", "sec010", "Geological accumulation index", "fe84ddcb-0ebf-47e4", "", "fe356ccf-0707-4509", "", "article1.body1.sec2.sec8.p1", "85701361-f24e-4e35", "", "7e106e38-b5dd-4702", "", "The geo-accumulation index is defined as the quantified degree of pollution present in aquatic sediments; it has been extensively used in European trace element experiments [", "#pone.0261957.ref019", "1a4fff33-52ad-4eee", "", "19", "]. In this study, a modified geo-accumulation index (MI", "43ffcfae-a89a-4fbf", "", "geo", ") was adopted:\n", "pone.0261957.e003", "790c7915-ee45-4eb6", "", "da5b3cca-9931-41e2", "", "article/file?type=thumbnail&id=10.1371/journal.pone.0261957.e003", "9774bf7a-a838-4caa", "", "21113b8e-7d60-468a", "", "(3)", "\nwhere C", "35121c93-10da-455c", "", "sample", " is the concentration of a heavy metal in dust and C", "1d2d7fee-309d-4f40", "", "background", " is the geochemical background concentration of the heavy metal. MI", "f4b0eb65-bd27-4674", "", " was categorized as described by various scientists [", "#pone.0261957.ref020", "05e06f26-d2e0-4e6e", "", "20", "#pone.0261957.ref021", "32b3199b-7d3c-438b", "", "21", "section9", "f5139a3d-78db-4616", "", "sec011", "Pollution load index", "fc0bbb7b-6fa2-427b", "", "be3f00e6-cf88-4685", "", "article1.body1.sec2.sec9.p1", "6daac7d8-a2aa-490a", "", "c8a8fcac-e413-42fa", "", "The integrated pollution load index (IPI) was calculated by finding the n-root from the n-CFs for all heavy metals [", "#pone.0261957.ref022", "dd1db329-b7f3-4d80", "", "22", "pone.0261957.e004", "74dc80de-b72b-4bc7", "", "9656f317-58f5-43b9", "", "article/file?type=thumbnail&id=10.1371/journal.pone.0261957.e004", "ea9552e8-500f-42e0", "", "89b3ffdf-afa4-4077", "", "(4)", "article1.body1.sec2.sec9.p2", "da110fe1-8335-4235", "", "e9b9836a-4bbb-4b1b", "", "IPI > 1 indicates pollution, while IPI < 1 indicates no pollution [", "#pone.0261957.ref023", "10c138a5-e20a-4839", "", "23", "section10", "671783f9-946d-4685", "", "sec012", "Enrichment factor", "310e8b33-2742-400e", "", "88a62c97-063a-4c8f", "", "article1.body1.sec2.sec10.p1", "2212d336-1c75-439a", "", "3684d7a2-f0a5-4483", "", "The enrichment factor (EF) was adopted to distinguish between natural and non-natural background levels of heavy metals in the dust samples [", "#pone.0261957.ref024", "31cb8f15-a0e6-4b60", "", "24", "]:\n", "pone.0261957.e005", "90738d86-2153-4c08", "", "fae3de10-4a40-4770", "", "article/file?type=thumbnail&id=10.1371/journal.pone.0261957.e005", "e9923e46-6cde-4a68", "", "a19fdee5-56dc-4491", "", "(5)", "article1.body1.sec2.sec10.p2", "f1874233-4cf9-4272", "", "86a1db0e-7422-4c3e", "", "Whereas, ", "69270951-a6ad-4b39", "", "Cn", " is content of the examined element in the soil, ", "c77460fc-bf13-4bfc", "", "C", "57d82ec5-4efa-415f", "", "f600963e-d5c9-472f", "", "ref", " is content of the examined element in the Earth\u2019s crust, ", "eb521e1c-7aad-45c3", "", "Bn", " is content of the reference element in the soil, and ", "0c31b1be-f2fc-47fe", "", "B", "0578c5e7-b300-479d", "", "37eea115-e6b6-4730", "", " is content of the reference element in the earth\u2019s crust.", "article1.body1.sec2.sec10.p3", "3b4a2c81-6102-41de", "", "479ade6c-afbc-47b7", "", "In this study, Fe was selected as the reference element [", "#pone.0261957.ref025", "ac809829-0626-4672", "", "25", "]. There is no recognized pollution grade system or classification of the pollution degree based on EF, so a preliminary five-point scale was developed for classification. An EF of less than 2 indicates minimal enrichment, which suggests no or minimal pollution. An EF of 2\u20135 indicates moderate enrichment, which suggests moderate pollution. An EF of 5\u201320 indicates significant enrichment, which suggests significant pollution. An EF of 20\u201340 indicates very high enrichment, which suggests severe pollution. An EF of greater than 40 indicates extreme enrichment, which suggests extreme pollution.", "950c57fd-fb73-4510", "", "062e6ff2-1c51-403f", "", "13a173cf-10ba-44ba", "", "3adfd22e-0e19-4c3e", "", "sec014", "03843293-05b5-4e24", "", "1216be7f-1298-43d5", "", "article1.body1.sec3.sec1.p1", "ba7fc4ab-7f14-46c8", "", "29a1a2b7-67d0-45e9", "", "#pone-0261957-g002", "6e54b99a-10a1-45c0", "", "Fig 2(A)\u20132(E)", " showed the EF values for five heavy metals based on Eq (", "#pone.0261957.e005", "041caf81-086a-4d6c", "", "). Two categories of metal enrichment were suggested based on EF values; EF \u2264 2 suggests deficiency to minimal metals enrichment (no pollution) while EF \u2265 2 suggests the high degree of metals enrichment [", "#pone.0261957.ref026", "82318cf7-1704-4cb1", "", "26", "]. ", "449dd207-1a21-4d02", "", "EF", "37f6a664-6abf-49fc", "", "Cr", " was 0.054\u20131.86 with a mean value of 1.10, which indicates no or minimal pollution of Cr. ", "31fc6e4c-0958-4f99", "", "abbbf6ea-3fce-403c", "", "Cu", " was 3.5\u2013108.2 with a mean value of 12.06, which indicates moderate to significant pollution of Cu. ", "5101b63b-1e3d-4415", "", "7b23641f-fb6b-42e0", "", "Mn", " was 0.51\u20131.53 with a mean value of 0.76, which indicates no pollution of Mn. ", "396daf0e-dc50-4472", "", "361bae26-d372-42d5", "", "Ni", " was 0.43\u20132.27 with a mean value of 1.46. ", "7f1d223e-caf3-4e17", "", "f4000d14-52cc-4190", "", "Pb", " was 0.0\u201314.8 with a mean value of 6.49. ", "db0fe5e3-0c22-4f47", "", "9a4e6b9d-2aab-426a", "", "Zn", " was 3.3\u201334.01 with a mean value of 10.87. The EF trend in this study was Mn < Cr < Ni < Pb < Zn < Cu. The spatial variation of ", "7bca6dfe-e719-4067", "", "24808e82-c22b-4b64", "", " indicated moderate to significant pollution of Zn. ", "b4bd06bf-0ba5-4a51", "", "791471b2-1a00-4f9e", "", " varied for all areas of Riyadh but indicated a significant level of pollution of Pb. Mn, Cr, and Ni had the highest values of EF; this suggests that these elements originated from anthropogenic activities. Meanwhile, Pb, Zn, and Cu may have come from Earth\u2019s crust. Cu, Cd, Pb, and Zn may have multiple sources, while the deposition and accumulation were due to anthropogenic activities such as yellow paint, tires tread, and brake dust. Furthermore, extreme temperatures and the harsh climate may hasten corrosion and cause weathering of wares, lamps, walls, and fences that frequently absorb the heavy metals before they were exposed to urban storms and deposition of dust [", "#pone.0261957.ref027", "94056647-92da-49d0", "", "27", "#pone.0261957.ref028", "4ca6ec4b-6cc6-4991", "", "28", "]. Pb was observed even though leaded gasoline was banned in Saudi Arabia in 2001 [", "#pone.0261957.ref029", "6c7ca426-3c53-48c5", "", "29", "#pone.0261957.ref030", "38cc16bc-c882-4bae", "", "30", "pone-0261957-g002", "0093e7b6-0086-4693", "", "35051984-4345-4bba", "", "d95a94fd-bdd9-4627", "", "article/figure/image?size=medium&id=10.1371/journal.pone.0261957.g002", "8c568bd1-2832-4efc", "", "article/figure/image?size=inline&id=10.1371/journal.pone.0261957.g002", "dbf8d177-1cb4-46c9", "", "a8673989-7375-462d", "", "8a5455fe-52a5-4e84", "", "1ab358f8-b637-49fd", "", "0d9c8ee9-6f99-4864", "", "article/figure/powerpoint?id=10.1371/journal.pone.0261957.g002", "69a7527f-92ee-45cb", "", "d10591ff-d6af-4651", "", "66cb4a44-e60c-4933", "", "35e952c4-6902-44a9", "", "article/figure/image?download&size=large&id=10.1371/journal.pone.0261957.g002", "573fad20-e2a7-4de5", "", "cd4f9d0c-d782-40b4", "", "3e34aa5d-5e9b-4a7c", "", "9ab51774-8757-4f0d", "", "article/figure/image?download&size=original&id=10.1371/journal.pone.0261957.g002", "680e3289-88ee-4531", "", "873e8396-d08b-4aaf", "", "bf9d5240-4a50-4b56", "", "520d673e-053e-442d", "", "bbd5f0e7-8b86-4fc7", "", "Fig 2. ", "fa2ef911-f0ad-48b0", "", "article1.body1.sec3.sec1.fig1.caption1.p1", "383669a2-edb3-4209", "", "71aca84f-1d4d-42bb", "", "Levels of Enrichment Factors of (a) Copper (b) Manganese (c) Nickel (d) Zinc and (e) Lead in dust samples.", "e20b2b13-22a9-419c", "", "e98ed1b2-ce06-4cb9", "", "https://doi.org/10.1371/journal.pone.0261957.g002", "be6fa5a7-b327-4d2e", "", "\n https://doi.org/10.1371/journal.pone.0261957.g002", "403ba0af-22a4-42aa", "", "sec015", "Heavy metal concentration in dust samples", "bdb0b188-482b-4ef4", "", "7221db06-a4a5-493c", "", "article1.body1.sec3.sec2.p1", "0f379314-9912-4fff", "", "1af57816-0b9d-4bf3", "", "The Cd was below the detection limits of the instruments used in this study. This result agrees with Modaihsh and Mahjou [", "2673c1f6-65ac-4ac6", "", "], who found no Cd in their study on Granada (a shopping mall located in the eastern ring road highway which is part of Riyadh). The highest Cr concentration (70.28 mg kg", "051c238e-2b9e-415c", "", ") was in Riyadh\u2019s central area, while the lowest Cr concentration (1.48 mg kg", "24856ba7-eb3b-4038", "", ") was in the south; the mean Cr concentration for all locations was 35.48 mg kg", "cc4f41c0-990e-485e", "", " [", "64ff9b7a-6590-4b70", "", "]. Madany et al. [", "#pone.0261957.ref031", "044d9776-7872-4627", "", "31", "] and Al-Rajhi et al. [", "#pone.0261957.ref032", "84442250-c71d-4bb3", "", "32", "] identified Cr and Ni plating and alloys in automobiles and yellow paint on roads as Cr and Ni sources. The area nearby the roads had the highest Cr concentrations. The north area had the highest Cu concentration (1138.11 mg kg", "2d19ee09-5275-4917", "", "-1", ") and the lowest concentration (30.28 mg kg ", "b034f1e9-bc13-4537", "", "). The Mn concentration varied among the areas by a significant degree. The highest Mn concentration (212.60 mg kg", "29f4ccf6-eb6d-4ca4", "", ") and the lowest Mn concentration (42.22 mg kg", "7767dd49-c22a-49b7", "", ") were observed in the north area. The Ni concentration also varied among the areas with a maximum of 39.73 mg kg", "6ca20da8-2af8-46fd", "", " and minimum of 3.59 mg kg", "090dbb99-4847-4849", "", ". Pb was not detected in some areas; the highest Pb concentration (40.13 mg kg", "05749a45-9872-404f", "", "). The highest Zn concentration was 456.05 mg kg", "53209e89-9c4a-4c86", "", ", and the lowest Zn concentration was 36.47 mg kg", "bb244b17-e9c2-4249", "", ". The overall trend for the mean concentrations of heavy metals in dust particles was as follows: Zn > Cu > Mn > Cr > Ni > Pb.", "6290e0c1-13de-43ff", "", "sec016", "Particle size analysis", "95a66110-50c1-4e9a", "", "81c1a702-f5bb-491b", "", "article1.body1.sec3.sec3.p1", "35ef81fd-6018-436e", "", "659aa21e-ea08-4773", "", "#pone-0261957-g003", "ae4002b2-e9b7-4455", "", " shows the particle size and volume of the dust samples. ", "064eb59c-dfb7-4132", "", "Fig 3(A)", " represents data in D10 50 (median particle size < 10%), indicating the portion of particles with diameters smaller than this value is 10%, DX 50 (median particle size < 50%) indicated the portions of particles with diameters smaller and larger than this value are 50%. The median diameter and the DX 90 (median particle size < 90%) showed the portion of particles with diameters below this value is 90%. The particle size was 3.4\u201324 \u03bcm in DX (10) with a mean value of 8.24 \u03bcm, 14\u201371.8 \u03bcm in DX (50) with a mean value of 36.46 \u03bcm, and 51.5\u2013142.2 \u03bcm in DX (90) with a mean value of 90.61 \u03bcm. This gradual increase in particle size was due to large amounts of fine particles suspended in the clouds [", "#pone.0261957.ref033", "528a26de-9fe8-4a69", "", "33", "]. Dust poses a hazard to living creatures depending on the particle size and exposure. Some soil properties such as soil texture, electrical conductivity, pH, and organic matter are factors that affect bioavailability of metals and thus influence bio accessibility [", "#pone.0261957.ref034", "3e44941f-f560-4dc5", "", "34", "\u2013", "#pone.0261957.ref036", "aa0453ad-a483-4924", "", "36", "]. In this study, the risk assessment was based on the assumption that urban dust and soil have similar particle size distributions [", "2a182449-ea0c-4d88", "", "]. According to the World Health Organization (WHO), an increase in PM10 (i.e., particulate matter with a size of 10 \u03bcm or less) of 10 mg m", "bf50b947-2972-4575", "", "\u22123", " annually increases the total mortality by 6%. However, suppose PM10 is increased by 10 mg m", "8ea3de5b-047c-4767", "", " over several days. In that case, this may cause respiratory tract-related issues such as coughing and other related symptoms. This can result in hospitalization, bronchodilator use, and even death in severe cases [", "#pone.0261957.ref037", "de3bad1c-7a89-46f3", "", "37", "pone-0261957-g003", "95223e29-9beb-4eb6", "", "9ae1fde3-0e1a-4258", "", "62ce4927-2191-4544", "", "article/figure/image?size=medium&id=10.1371/journal.pone.0261957.g003", "7207d3fe-8218-42eb", "", "article/figure/image?size=inline&id=10.1371/journal.pone.0261957.g003", "00f445af-51a5-489e", "", "2a17da63-8d27-4907", "", "e4f8bf22-2501-4569", "", "1e5249ba-7107-4ca3", "", "ed073845-1140-4d12", "", "article/figure/powerpoint?id=10.1371/journal.pone.0261957.g003", "18536bf5-7a81-40bb", "", "6e07e387-18b3-4d5b", "", "a7c315c3-cea1-49fd", "", "3f7ab60c-516d-4b06", "", "article/figure/image?download&size=large&id=10.1371/journal.pone.0261957.g003", "2a6e3e6e-480f-4efd", "", "6045670c-cfbb-4234", "", "c1065b3c-e288-4b36", "", "2cccb81b-c026-4b3c", "", "article/figure/image?download&size=original&id=10.1371/journal.pone.0261957.g003", "e92a104e-1f11-4a5c", "", "97341706-df0c-4a23", "", "ed8afa0e-a281-4457", "", "4963300a-6e23-46ff", "", "9db85da4-dea1-4e6f", "", "Fig 3. ", "3ced90c9-fdf6-43d3", "", "article1.body1.sec3.sec3.fig1.caption1.p1", "2b205eb6-3d72-4606", "", "36d5038a-06b7-4504", "", "(a) Particle size distribution by volume (b) mass distribution of different size fractions of aerosol PM in the study area.", "705a69e5-042c-45ca", "", "cbbc323b-ff9f-4928", "", "https://doi.org/10.1371/journal.pone.0261957.g003", "3b6b17b6-1109-4985", "", "\n https://doi.org/10.1371/journal.pone.0261957.g003", "52c29317-f84a-43ba", "", "sec017", "acd78a86-db7f-4d87", "", "27001d35-6495-4b21", "", "article1.body1.sec3.sec4.p1", "63a19f64-1f29-4671", "", "69005b1c-e4c0-4087", "", "#pone-0261957-g004", "4062496b-f9af-4457", "", " presents the ADD", "1cc099c2-b5b8-4a63", "", " and ADD", "60212ba1-690e-4bf3", "", " results. The ADD", "e2d6eca1-8cb9-4022", "", " could not be calculated for Cd because the Cd concentration was below the detection limit for all collected samples while highest and lowest ADD", "d2cf5246-f495-443b", "", " values for Cr were 4.800 \u00d7 10", "67d70fc4-0867-47cb", "", "\u22125", " mg kg", "a11d25bf-037b-4039", "", " and 1.0078 \u00d7 10", "2aef5b06-18de-4c45", "", "\u22126", "4054bcfd-b9e8-4980", "", ", respectively, for children (<6 years old). The highest and lowest ADD", "3851baad-34a4-4176", "", " values were found in the central and south areas, respectively. The highest and lowest ADD", "c72241be-aab1-4f6a", "", " values for Cu were 1.36 \u00d7 10", "bb2788b2-7bd9-4785", "", "d9b35948-8db6-479a", "", " and 3.62 \u00d7 10", "c0a11627-8171-4492", "", "\u22124", "2c5c7096-8314-4af8", "", "658917e8-4487-42f9", "", " values for Fe were 1.398 \u00d7 10", "d7963a70-ea6b-493e", "", "c7cdbcd1-1d73-466e", "", " and 4.99 \u00d7 10", "1f0fe5db-bb13-4213", "", "e097b7e5-2595-4616", "", "978d369e-bd17-4158", "", " values for Mn were 2.5 \u00d7 10", "34a75b41-18e9-4df8", "", "40a0b10e-d0c8-49d0", "", " and 5.05 \u00d7 10", "c7f90a67-835f-4138", "", "170bb9b7-dfa5-4fe1", "", ", respectively, for children (<6 years old). Both values for Mn were found in the north area. The highest and lowest ADD", "bde93368-bee9-4a1b", "", " values for Ni were 4.75 \u00d7 10", "148205cd-9e9a-4925", "", "80d8a953-4ee1-48ad", "", " and 4.3 \u00d7 10", "d80f7a43-f4b5-4257", "", "9a4d377e-f15f-4541", "", "72e72132-9a94-4d2a", "", " values for Pb were 2 \u00d7 10", "27c1b8c9-5bb6-4c28", "", "8d7f6853-9259-4ce2", "", " and 4.8 \u00d7 10", "75f573e0-edc1-42d0", "", "7ab31a21-59f9-4f94", "", "c4f2b6f7-7a7d-4416", "", " values for Zn were 5.451 \u00d7 10", "b7207bcf-26ba-4734", "", "1d3f77d9-a122-4d3d", "", " and 4.36 \u00d7 10", "7dabce0b-5081-4870", "", "d7d194c5-7710-447f", "", ", respectively, for children (<6 years old). Overall, ADD", "80ce14a1-c9d9-4ad6", "", " values of the determined metals was much higher for children (below six years old) than those who were 6\u201312 years old and adults (> 12 years). Similar outcomes were obtained [", "#pone.0261957.ref038", "924c9727-9774-4cea", "", "38", "], who observed exposure to heavy metals from dust in a Zn smelting district. Fang et al. [", "#pone.0261957.ref039", "646cd0eb-3313-40ee", "", "39", "] obtained similar results when studying humans\u2019 exposure to heavy metals in surface dust in the Wuhan urban area. The order of ADD", "90ab5ac2-8edf-4a7a", "", " was Cd < Pb < Ni < Cr < Cu < Mn < Zn for children (<6 years old), Cd < Pb < Ni < Cr < Mn < Cu < Zn for children (6\u201312 years), and Cd < Pb < Ni < Cr < Mn < Zn < Cu for adults (>12 years). ", "#pone-0261957-t002", "2307643a-014a-4f41", "", " indicates that HQ", "1d4c6452-2c18-4d6b", "", ", HQ", "0a316ceb-e4c1-4c3b", "", ", and HI", "da035a90-e90d-4665", "", "s", " were lower than 1 for all of the heavy metals. Thus, heavy metal exposure due to surface dust had a relatively light impact on the health of children and adults in Riyadh. The children are more exposed to dust because of their physical activities, including ingesting dust through the mouth, playing and holding toys and other household objects, and licking hands. Therefore, it is important for children to keep good hygiene by ensuring their hands and mouth are always clean and avoid eating without cutlery when they are on the playing grounds like parks and schools.", "pone-0261957-g004", "b24c7e25-594b-476d", "", "9ba99a9c-8b00-4320", "", "6c65d0a9-84d4-4937", "", "article/figure/image?size=medium&id=10.1371/journal.pone.0261957.g004", "7923dbe0-04c2-458e", "", "article/figure/image?size=inline&id=10.1371/journal.pone.0261957.g004", "a998892e-c5d9-4054", "", "17e6bf0f-13cc-4e6c", "", "a0bc1a5e-97ef-40b4", "", "3a4dd17c-fe3f-4f9e", "", "12f043a1-bc6a-4c87", "", "article/figure/powerpoint?id=10.1371/journal.pone.0261957.g004", "3922bd14-91eb-486f", "", "f25fa4b2-b6cf-4c6a", "", "86ff42d7-aaa3-447d", "", "23ab6114-2f10-4ff9", "", "article/figure/image?download&size=large&id=10.1371/journal.pone.0261957.g004", "25bc78ce-7dff-477f", "", "acb5a25c-d85a-43cb", "", "d386d2f5-26f4-4a2f", "", "02517e4a-966d-41e2", "", "article/figure/image?download&size=original&id=10.1371/journal.pone.0261957.g004", "04be1e19-94ca-4eee", "", "f7560343-8979-47df", "", "a5f75121-5507-49d2", "", "d5475fc9-9868-4b9b", "", "ab011d1e-59cf-44c4", "", "Fig 4. ", "aa2315fc-1edd-4f18", "", "article1.body1.sec3.sec4.fig1.caption1.p1", "103cef36-8b5b-43b5", "", "143cfb9e-cbc4-456f", "", "Average daily dose exposure via ingestion in (a) less than 6 years children (b) 6 to 12 years (c) more than 12 years, Average daily dose exposure via dermal in (d) less than 6 years children (e) 6 to 12 years (f) more than 12 years.", "9c8c87b3-c86e-40ac", "", "f234bb4c-0289-4f45", "", "https://doi.org/10.1371/journal.pone.0261957.g004", "f495b456-9ba0-446b", "", "\n https://doi.org/10.1371/journal.pone.0261957.g004", "pone-0261957-t002", "408079d1-0ed6-434e", "", "70f0ad39-5342-48a6", "", "98ed8dbe-200a-4c88", "", "article/figure/image?size=medium&id=10.1371/journal.pone.0261957.t002", "7e29aa42-98bb-4025", "", "article/figure/image?size=inline&id=10.1371/journal.pone.0261957.t002", "120d9717-1e8a-47ec", "", "16a92124-b38e-4229", "", "91f5370f-e2d6-44f8", "", "396b63f3-8ae1-412c", "", "30334b43-7c02-41a2", "", "article/figure/powerpoint?id=10.1371/journal.pone.0261957.t002", "8a8597a5-f4b0-4560", "", "70736390-9ab9-4e6d", "", "be385c7f-a222-49ca", "", "5457a593-f0f5-45d2", "", "article/figure/image?download&size=large&id=10.1371/journal.pone.0261957.t002", "d3edbee2-9743-4bb6", "", "7ed2da00-eb46-4800", "", "78abe2ca-cfba-4fb0", "", "86cdd20d-bc7f-4533", "", "article/figure/image?download&size=original&id=10.1371/journal.pone.0261957.t002", "2f8776d0-8657-4d84", "", "74454c18-7259-46a6", "", "db6b8d84-bb20-45be", "", "733a9b23-d0be-49c0", "", "e2dffafd-9d79-4e92", "", "Table 2. ", " Exposure dose, hazard quotient for each element and exposure pathway.", "26ac1df4-e585-495d", "", "705e0dd8-0091-45fa", "", "https://doi.org/10.1371/journal.pone.0261957.t002", "9a952727-503f-4e6c", "", "\n https://doi.org/10.1371/journal.pone.0261957.t002", "07d4c1f2-a2da-4ad7", "", "sec018", "e924ca78-8541-4a2e", "", "c5d9a7ed-f976-4aac", "", "article1.body1.sec3.sec5.p1", "d6d5a600-647e-4fd9", "", "7cd08728-ca64-4c12", "", "#pone-0261957-g005", "e40f6a27-c411-4382", "", "Fig 5(A)", " shows the MI", "e51af1cd-0989-411f", "", " results for seven heavy metals in the dust samples. MI", "7ad1c971-fad8-402b", "", " ranged from -1 to -7 with a mean value of \u22122 for Cr, from \u22121 to 4 with a mean value of 0.01 for Cu, from -4 to -3 with a mean value of -3 for Fe, from -5 to -3 with a mean value of \u22124 for Mn, from -5 to -1 with a mean value of -2 for Ni, from 0 to -4 with a mean value of -1 for Pb, and from \u22122 to 2 with a mean value of 0 for Zn. Thus, the mean values of MI", "86fbbce8-c810-450c", "", " were in the following order: Cu = Zn > Pb > Cr = Ni > Mn. These results indicate that the dust of Riyadh was uncontaminated by Pb, Ni, Fe, and Cr; uncontaminated to moderately contaminated by Zn; and moderately to strongly contaminated by Cu. Shabbaj et al. [", "#pone.0261957.ref040", "b4c13b6a-9aef-471c", "", "40", "] focused on Jeddah, Saudi Arabia, and found that the road dust was moderate to heavily contaminated with As, Pb, and Zn and heavily to extremely contaminated with Cd. They attributed these results to the increased socioeconomic activities and inadequate disposal procedures for fuel, paint, greases, oil, and used tires, which can increase heavy metal contamination in urban areas [", "#pone.0261957.ref041", "08119d9c-1278-4430", "", "41", "#pone.0261957.ref042", "000fb78d-5409-4e63", "", "42", "]. Studies in urban areas have revealed a high mean value of I", "4ec41b90-9654-496f", "", " for Pb [", "#pone.0261957.ref043", "2c075214-39c9-4646", "", "43", "]. In the metropolitan area of Hefei, China, Ali et al. [", "#pone.0261957.ref044", "ac209a36-df27-4df2", "", "44", "] found I", "5cf4a379-1ba3-44c8", "", " > 6 for As, which indicates the highest level of pollution.", "pone-0261957-g005", "311f7a5c-7339-4fd4", "", "da76338f-9053-4245", "", "0765f66a-9a73-43a4", "", "article/figure/image?size=medium&id=10.1371/journal.pone.0261957.g005", "1b78afb2-0cf4-4636", "", "article/figure/image?size=inline&id=10.1371/journal.pone.0261957.g005", "8f507e57-1e1b-40d3", "", "082986a2-ed4b-42cf", "", "ab6c60e4-3b2b-4eab", "", "6cdb4a4c-84bc-49b1", "", "d9511fc3-fce3-4701", "", "article/figure/powerpoint?id=10.1371/journal.pone.0261957.g005", "cc896d97-bd70-4bbd", "", "7bf375db-5cea-4f69", "", "55350fe1-2c9f-4924", "", "95069b05-aef0-4320", "", "article/figure/image?download&size=large&id=10.1371/journal.pone.0261957.g005", "c1829ada-c802-437a", "", "8608aafe-c06a-40d2", "", "ecc71196-ac39-4edf", "", "acc19df0-5585-4b3e", "", "article/figure/image?download&size=original&id=10.1371/journal.pone.0261957.g005", "18e2ba37-d882-4a88", "", "06060423-d674-4f2c", "", "fd440066-cedb-475a", "", "ccabad45-00b4-4c94", "", "d62a8452-c222-4f2b", "", "Fig 5. ", "1c0ac38c-1d6d-45ac", "", "article1.body1.sec3.sec5.fig1.caption1.p1", "1cfe227b-1e4f-44c1", "", "426e4b08-8b06-4290", "", "(a) Geological Accumulation Index and (b) Integrated Pollution Index of collected air dust samples in Riyadh City.", "0bb8c0b5-1cb3-4207", "", "df407526-a288-4308", "", "https://doi.org/10.1371/journal.pone.0261957.g005", "fc05b60a-aede-47cb", "", "\n https://doi.org/10.1371/journal.pone.0261957.g005", "4322a2ab-ed4f-44ad", "", "sec019", "Integrated pollution load index", "aaf13eb7-9e92-495d", "", "c9a807e4-23c6-4a35", "", "article1.body1.sec3.sec6.p1", "550713d3-a4a0-42be", "", "67a7d5e8-015c-46c8", "", "6ec8053a-92dd-4b11", "", "Fig 5(B)", " shows the IPI results for the heavy metals. Fe was omitted because of its abundance in the soil matrix. About 43 sampling locations had IPI < 1, which indicates no pollution from street dust. However, six locations had IPI > 1 (sample nos. 8, 15, 20, 28, 32, and 46), indicating elevated levels of pollution. Besides, one sample (No. 18) indicated the baseline level of the pollutants. Significantly high IPI values were observed in the east, south, and central areas, and no IPI value was above the limit in the north area. The IPI results indicated that 86% of the sampling locations were not polluted by the accumulation and contamination of heavy metals such as Cr, Cu, Cd, Zn, Mn, Pb, and Ni. These results in accord with those of Alharbi et al. [", "#pone.0261957.ref045", "9d16b3ae-2284-4f54", "", "45", "], who identified 15 sampling locations where IPI < 1 but also found seven locations where IPI > 1. The east and central areas of Riyadh had the most locations with significantly high values of IPI.", "239d4ef3-252d-40ac", "", "f7f5d228-7475-443e", "", "0682fad9-436e-429a", "", "article1.body1.sec4.p1", "481ab4cc-450d-4a76", "", "2208187b-3ea3-415f", "", "The present study investigated heavy metals contamination (Cd, Cr, Cu, Mn, Ni, Pb, and Zn) of dust in Riyadh, Saudi Arabia in terms of the health risk index, integrated pollution index, concentration, and spatial variation. The Cd concentration was below the detection limit. About 86% of investigated area were below the threshold level for IPI. For all metals, ADD", "845bf7a2-8137-4106", "", " was much higher for children below 6 years old as compared to children who were 6\u201312 years old and adults (>12 years). Riyadh\u2019s dust was showed uncontaminated by Cr, Cu, Mn, Ni, Pb, and Zn in the light of MI", "cb513b8e-6f84-4d6c", "", " results. Particle size analysis showed that many particles were suspended in the air. Higher levels of deposition occurred in the east, south, and central areas of the city, while the deposition level was lower in the north area. Future research should seek to identify the control drivers behind the observed Spatio-temporal trends in dust storm event occurrence across Saudi Arabia, and aim to further explain the significant correlations with human health problems in particular area emerging in last decade.", "toc-section", "2b666bbf-8658-4f85", "", "2a8aace4-2ec4-4517", "", "177d3c82-860f-45a8", "", "OL", "6ff7caf5-91aa-4081", "", "ref1", "e2b05b8c-90dc-41f1", "", "1. ", "order", "712bc54c-b080-4b51", "", "1.\n ", "pone.0261957.ref001", "1bfe12c5-c352-40fc", "", "Modaihsh AS, Mahjou MO. Falling dust characteristics in Riyadh city, Saudi Arabia during winter months. APCBEE procedia. 2013; 5:50\u201358. ", "reflinks", "bc449d2b-7ce6-4ead", "", "1ce330cc-d7e0-4920", "", "\u25e6 ", "data-author", "Modaihsh", "data-cit", "ModaihshAS%2C%20MahjouMO.%20Falling%20dust%20characteristics%20in%20Riyadh%20city%2C%20Saudi%20Arabia%20during%20winter%20months.%20APCBEE%20procedia.%202013%3B%205%3A50%E2%80%9358.", "data-title", "Falling%20dust%20characteristics%20in%20Riyadh%20city%2C%20Saudi%20Arabia%20during%20winter%20months", "_new", "Go to article in CrossRef", "2cc6b05a-f4b9-4358", "", "\n View Article\n ", "14d97781-91f0-4a08", "", "http://scholar.google.com/scholar?q=Falling+dust+characteristics+in+Riyadh+city%2C+Saudi+Arabia+during+winter+months+Modaihsh+2013", "Go to article in Google Scholar", "654b429a-41e0-4900", "", "\n Google Scholar\n ", "ref2", "0fd23807-57ec-4182", "", "2. ", "cc7552d5-bf35-4ece", "", "2.\n ", "pone.0261957.ref002", "a207b8c9-6159-4462", "", "Al-Tayeb NT, Jarar BM. Dusfall in the city of Ritadh. In: Proceedings of the Industerial Air Pollution Symposium, Riyadh, 15\u201317 November, Saudi Arabia, 1993; 66\u201374. ", "find-nolinks", "ab026df0-a7b3-4dd1", "", "ref3", "0ab9a75e-41ec-469b", "", "3. ", "3dd9e848-6ca7-47af", "", "3.\n ", "pone.0261957.ref003", "d3d4c51e-9b83-4de7", "", "Chang CC, Lee IM, Tsai SS, Yang CY. Correlation of Asian dust storm events with daily clinic visits for allergic rhinitis in Taipei, Taiwan. J Toxicol Environ Health Part A. 2006; 69:229\u201335. pmid:16263693 ", "10.1080/15287390500227415", "3ca5ef6a-e11f-48e5", "", "53788a4b-9466-4d13", "", "https://doi.org/10.1080/15287390500227415", "doi-provided", "Go to article", "879cc7f6-b2cb-436f", "", "cbca3d04-515a-42af", "", "http://www.ncbi.nlm.nih.gov/pubmed/16263693", "Go to article in PubMed", "379633bf-6d3a-4a8c", "", "\n PubMed/NCBI\n ", "60a0f652-95ea-460a", "", "http://scholar.google.com/scholar?q=Correlation+of+Asian+dust+storm+events+with+daily+clinic+visits+for+allergic+rhinitis+in+Taipei%2C+Taiwan+Chang+2006", "84b84eb5-2db9-4afd", "", "ref4", "1eaee23b-7cb7-4647", "", "4. ", "9c7b918b-01e3-49ae", "", "4.\n ", "pone.0261957.ref004", "54d72e31-32e2-47b4", "", "Grimm NB, Faeth SH, Golubiewski NE, Redman CL, Wu J, Bai X, et al. Global change and the ecology of cities. Science. 2008; 319:756\u2013760. pmid:18258902 ", "10.1126/science.1150195", "b2be05e2-966e-448e", "", "bd09ffcd-ca69-45f7", "", "https://doi.org/10.1126/science.1150195", "58b897d3-317c-4225", "", "3343c062-13c4-44b6", "", "http://www.ncbi.nlm.nih.gov/pubmed/18258902", "692e47d8-4136-42d5", "", "34de9a78-c856-4b08", "", "http://scholar.google.com/scholar?q=Global+change+and+the+ecology+of+cities+Grimm+2008", "a1d35ae0-d1df-452f", "", "ref5", "5a1e707e-f673-41c2", "", "5. ", "ae4d0043-d39b-4562", "", "5.\n ", "pone.0261957.ref005", "a15d208f-5922-48d6", "", "Rasmussen PE, Subramanian KS, Jessiman BJ. A multi-element profile of house dust in relation to exterior dust and soils in the city of Ottawa, Canada. Sci Total Environ. 2001; 267:125\u2013140. pmid:11286208 ", "10.1016/s0048-9697(00)00775-0", "9fcdb8df-7783-4240", "", "17ed1c15-7f89-4837", "", "https://doi.org/10.1016/s0048-9697(00)00775-0", "10972f5a-1b84-4a4c", "", "cf0e6ca9-268a-4920", "", "http://www.ncbi.nlm.nih.gov/pubmed/11286208", "1db76930-9d8c-492c", "", "8c836bc7-4163-4c5f", "", "http://scholar.google.com/scholar?q=A+multi-element+profile+of+house+dust+in+relation+to+exterior+dust+and+soils+in+the+city+of+Ottawa%2C+Canada+Rasmussen+2001", "dc7ff784-5afc-4ffb", "", "ref6", "d3291db8-79e8-4290", "", "6. ", "a7b8fe65-aeca-4bbe", "", "6.\n ", "pone.0261957.ref006", "803fe4a8-7588-4186", "", "Idrees M., Batool S., Ullah H., Hussain Q., Al-Wabel M.I., Ahmad M., et al. 2018. Adsorption and thermodynamic mechanisms of manganese removal from aqueous media by biowaste-derived biochars. Journal of Molecular Liquids, 266, pp.373\u2013380. ", "add1d36e-5384-4667", "", "620858d4-9b5b-4486", "", "Idrees", "IdreesM.%2C%20BatoolS.%2C%20UllahH.%2C%20HussainQ.%2C%20Al-WabelM.I.%2C%20AhmadM.%2C%20et%20al.%202018.%20Adsorption%20and%20thermodynamic%20mechanisms%20of%20manganese%20removal%20from%20aqueous%20media%20by%20biowaste-derived%20biochars.%20Journal%20of%20Molecular%20Liquids%2C%20266%2C%20pp.373%E2%80%93380.", "Adsorption%20and%20thermodynamic%20mechanisms%20of%20manganese%20removal%20from%20aqueous%20media%20by%20biowaste-derived%20biochars", "08dd1f8f-5949-417f", "", "39fb9ce5-3c15-4a67", "", "http://scholar.google.com/scholar?q=Adsorption+and+thermodynamic+mechanisms+of+manganese+removal+from+aqueous+media+by+biowaste-derived+biochars+Idrees+2018", "8eb8b0a8-d554-435e", "", "ref7", "5018f017-54fd-4276", "", "7. ", "5ba977fb-13f0-473d", "", "7.\n ", "pone.0261957.ref007", "8382ecc9-2335-41b9", "", "Batool S., Idrees M., Ahmad M., Ahmad M., Hussain Q., Iqbal A. et al. 2020. Design and characterization of a biomass template/SnO2 nanocomposite for enhanced adsorption of 2, 4-dichlorophenol. Environmental research, 181, p.108955. pmid:31791708 ", "10.1016/j.envres.2019.108955", "a0e8421e-4e3f-4001", "", "f121fc0c-5f35-4b86", "", "https://doi.org/10.1016/j.envres.2019.108955", "23895db8-886a-4130", "", "023ff254-9350-4f59", "", "http://www.ncbi.nlm.nih.gov/pubmed/31791708", "aa07ac39-2228-4a44", "", "2e66ff1a-7063-408e", "", "http://scholar.google.com/scholar?q=Design+and+characterization+of+a+biomass+template%2FSnO2+nanocomposite+for+enhanced+adsorption+of+2%2C+4-dichlorophenol+Batool+2020", "c9d33adb-0d71-4cfa", "", "ref8", "e97ad479-8477-494b", "", "8. ", "b2653755-3f1a-4b28", "", "8.\n ", "pone.0261957.ref008", "3858f57e-a1a1-4fd8", "", "Oskarsson A, Hall\u00e9n IP, Sundberg J. Exposure to toxic elements via breast milk. Analyst. 1995; 120:765\u2013770. pmid:7741226 ", "10.1039/an9952000765", "ab17ba13-cf0f-44cb", "", "cea09a28-df40-40b9", "", "https://doi.org/10.1039/an9952000765", "24f14917-9dde-4c5f", "", "1c8a98c9-4603-4dce", "", "http://www.ncbi.nlm.nih.gov/pubmed/7741226", "14e22412-a245-4946", "", "33e53700-7b82-4493", "", "http://scholar.google.com/scholar?q=Exposure+to+toxic+elements+via+breast+milk+Oskarsson+1995", "535af35b-aaed-423e", "", "ref9", "348a2624-0b01-4289", "", "9. ", "7b078f85-fe75-4c78", "", "9.\n ", "pone.0261957.ref009", "2dab7252-d0a7-4f3a", "", "Idrees M., Batool S., Hussain Q., Ullah H., Al-Wabel M.I., Ahmad M. et al. 2016. High-efficiency remediation of cadmium (Cd2+) from aqueous solution using poultry manure\u2013and farmyard manure\u2013derived biochars. Separation Science and Technology, 51(14), pp.2307\u20132317. ", "dbe44fd2-4c85-4289", "", "f32a9da0-25e1-40a5", "", "IdreesM.%2C%20BatoolS.%2C%20HussainQ.%2C%20UllahH.%2C%20Al-WabelM.I.%2C%20AhmadM.%20et%20al.%202016.%20High-efficiency%20remediation%20of%20cadmium%20%28Cd2%2B%29%20from%20aqueous%20solution%20using%20poultry%20manure%E2%80%93and%20farmyard%20manure%E2%80%93derived%20biochars.%20Separation%20Science%20and%20Technology%2C%2051%2814%29%2C%20pp.2307%E2%80%932317.", "High-efficiency%20remediation%20of%20cadmium%20%28Cd2%2B%29%20from%20aqueous%20solution%20using%20poultry%20manure%E2%80%93and%20farmyard%20manure%E2%80%93derived%20biochars", "1327b7f4-7939-4f94", "", "259fcc2b-9ef3-4d71", "", "http://scholar.google.com/scholar?q=High-efficiency+remediation+of+cadmium+%28Cd2%2B%29+from+aqueous+solution+using+poultry+manure%E2%80%93and+farmyard+manure%E2%80%93derived+biochars+Idrees+2016", "2c3a88a0-f82a-4bee", "", "ref10", "c7d959df-a947-4d88", "", "10. ", "5000e349-e988-44d6", "", "10.\n ", "pone.0261957.ref010", "7531e72d-6e32-46c3", "", "Batool S., Idrees M., Hussain Q. and Kong J., 2017. Adsorption of copper (II) by using derived-farmyard and poultry manure biochars: Efficiency and mechanism. Chemical Physics Letters, 689, pp.190\u2013198. ", "6294dc79-1b0b-4b1d", "", "999c4189-ff8b-4381", "", "Batool", "BatoolS.%2C%20IdreesM.%2C%20HussainQ.%20and%20KongJ.%2C%202017.%20Adsorption%20of%20copper%20%28II%29%20by%20using%20derived-farmyard%20and%20poultry%20manure%20biochars%3A%20Efficiency%20and%20mechanism.%20Chemical%20Physics%20Letters%2C%20689%2C%20pp.190%E2%80%93198.", "Adsorption%20of%20copper%20%28II%29%20by%20using%20derived-farmyard%20and%20poultry%20manure%20biochars%3A%20Efficiency%20and%20mechanism", "c090cdfe-c90c-4b9a", "", "fdfdb1b4-1f0b-4715", "", "http://scholar.google.com/scholar?q=Adsorption+of+copper+%28II%29+by+using+derived-farmyard+and+poultry+manure+biochars%3A+Efficiency+and+mechanism+Batool+2017", "1c532acd-4378-41c1", "", "ref11", "650753fe-3643-49cc", "", "11. ", "28ae79db-b3f6-45c1", "", "11.\n ", "pone.0261957.ref011", "7cc61340-9cd7-4faf", "", "Zhao H, Gui K, Ma Y, Wang Y, Wang Y, Wang H, et al. Climatology and trends of aerosol optical depth with different particle size and shape in northeast China from 2001 to 2018. Sci Total Environ. 2021; 763:142979. pmid:33498120 ", "10.1016/j.scitotenv.2020.142979", "4fbffb32-184a-4b16", "", "54376921-ef5f-4c34", "", "https://doi.org/10.1016/j.scitotenv.2020.142979", "a4bc690d-c1b8-4ee7", "", "bdf5b9f1-222a-41df", "", "http://www.ncbi.nlm.nih.gov/pubmed/33498120", "6c47eed8-a239-4d85", "", "7dd844c0-4016-421c", "", "http://scholar.google.com/scholar?q=Climatology+and+trends+of+aerosol+optical+depth+with+different+particle+size+and+shape+in+northeast+China+from+2001+to+2018+Zhao+2021", "36371538-11e3-4350", "", "ref12", "91510bf9-ab56-40f9", "", "12. ", "3984a7b5-d4b0-4714", "", "12.\n ", "pone.0261957.ref012", "75f9d186-683e-4461", "", "Duong TT, Lee BK. Determining contamination level of heavy metals in road dust from busy traffic areas with different characteristics. J Environ Manage. 2011; 92:554\u201362. pmid:20937547 ", "10.1016/j.jenvman.2010.09.010", "0f0c0882-a3ca-417f", "", "a5dd33f1-57de-4500", "", "https://doi.org/10.1016/j.jenvman.2010.09.010", "aa766cd9-f540-4e6e", "", "afedc210-088a-47ee", "", "http://www.ncbi.nlm.nih.gov/pubmed/20937547", "6f0343f5-f836-41fc", "", "7f7b6354-82dd-4d84", "", "http://scholar.google.com/scholar?q=Determining+contamination+level+of+heavy+metals+in+road+dust+from+busy+traffic+areas+with+different+characteristics+Duong+2011", "4a433abf-b314-4335", "", "ref13", "d557fe09-934f-4f64", "", "13. ", "bde3d555-a633-4336", "", "13.\n ", "pone.0261957.ref013", "aabc9f3e-0e98-4814", "", "Sutherland RA, Tolosa CA, Tack FMG, Verloo MG. Characterization of selected element concentrations and enrichment ratiosin background and anthropogenically impacted roadside areas. Arch Environ Contam Toxicol. 2000; 38:428\u2013438. pmid:10787093 ", "10.1007/s002449910057", "bd5fced3-b3c5-48f3", "", "e2fa4859-e35e-4c33", "", "https://doi.org/10.1007/s002449910057", "1abd5279-2446-40a9", "", "63590ab8-bed4-4923", "", "http://www.ncbi.nlm.nih.gov/pubmed/10787093", "1813f8ec-4ce8-4265", "", "df2c3075-c432-4095", "", "http://scholar.google.com/scholar?q=Characterization+of+selected+element+concentrations+and+enrichment+ratiosin+background+and+anthropogenically+impacted+roadside+areas+Sutherland+2000", "562ed285-5266-48f9", "", "ref14", "bfd05855-85c8-4c9d", "", "14. ", "288ee23a-1a92-42ce", "", "14.\n ", "pone.0261957.ref014", "0551fc81-2be9-48c7", "", "Adriano DC. Arsenic. In Trace elements in terrestrial environments. Springer, New York, NY, 2001; 219\u2013261. ", "ade08c6e-8282-4531", "", "ref15", "91148115-5280-4c74", "", "15. ", "e921966e-80b2-4e95", "", "15.\n ", "pone.0261957.ref015", "415c23e3-a535-4fab", "", "Arabia S. General Authority for Statistics. The General Population and Housing Census. Np, nd Web, 2016; 26. ", "c042c955-8249-4914", "", "c9921a88-3c42-4822", "", "Arabia", "ArabiaS.%20General%20Authority%20for%20Statistics.%20The%20General%20Population%20and%20Housing%20Census.%20Np%2C%20nd%20Web%2C%202016%3B%2026.", "General%20Authority%20for%20Statistics", "c7b5d2ad-bfa0-4691", "", "e00868a4-a9b1-4370", "", "http://scholar.google.com/scholar?q=General+Authority+for+Statistics+Arabia+2016", "799d14d3-b866-4961", "", "ref16", "b51fbb5a-c503-4eb4", "", "16. ", "072a5d1e-53cb-4e03", "", "16.\n ", "pone.0261957.ref016", "6f412d3f-2cb9-4dc4", "", "Van Pelt RS, Zobeck TM. Chemical constituents of fugitive dust. Environ Monit Assess. 2007; 130:3\u201316. pmid:17285256 ", "10.1007/s10661-006-9446-8", "c46a5e20-9c60-4acc", "", "bd1b6c32-d651-4d8b", "", "https://doi.org/10.1007/s10661-006-9446-8", "60e90ccf-a1a9-4e57", "", "2a2ba63e-f09e-48f8", "", "http://www.ncbi.nlm.nih.gov/pubmed/17285256", "4f2212a3-b600-443f", "", "33777ad8-d1a7-455f", "", "http://scholar.google.com/scholar?q=Chemical+constituents+of+fugitive+dust+Van+Pelt+2007", "441dea35-70b0-4ea5", "", "ref17", "41b4b62b-6f35-4bc5", "", "17. ", "2ef647dc-dda1-45bd", "", "17.\n ", "pone.0261957.ref017", "83979449-42b2-4121", "", "Saw HY, Davies CE, Paterson AH, Jones JR. The influence of particle size distribution and tapping on the bulk density of milled lactose powders. Chemeca: Challenging Tomorrow. 2013; 299. ", "79a1cf31-f051-4823", "", "728e7c27-78c8-4bcf", "", "Saw", "SawHY%2C%20DaviesCE%2C%20PatersonAH%2C%20JonesJR.%20The%20influence%20of%20particle%20size%20distribution%20and%20tapping%20on%20the%20bulk%20density%20of%20milled%20lactose%20powders.%20Chemeca%3A%20Challenging%20Tomorrow.%202013%3B%20299.", "The%20influence%20of%20particle%20size%20distribution%20and%20tapping%20on%20the%20bulk%20density%20of%20milled%20lactose%20powders", "6eff1c4c-5ad5-40bf", "", "d47beb87-189e-4d87", "", "http://scholar.google.com/scholar?q=The+influence+of+particle+size+distribution+and+tapping+on+the+bulk+density+of+milled+lactose+powders+Saw+2013", "8d6dab21-6dd3-4ada", "", "ref18", "866fc8df-2764-45d8", "", "18. ", "badaaf52-5e83-4a16", "", "18.\n ", "pone.0261957.ref018", "1e8a9617-46b2-4bc1", "", "ABD E. Supplemental guidance for developing soil screening levels for superfund sites. 2002. ", "d5599b63-f5e2-4e54", "", "5179bbc1-fe7f-40b4", "", "ABD", "ABDE.%20Supplemental%20guidance%20for%20developing%20soil%20screening%20levels%20for%20superfund%20sites.%202002.", "Supplemental%20guidance%20for%20developing%20soil%20screening%20levels%20for%20superfund%20sites", "44dd2b7e-df75-4cfb", "", "2352b386-c3f8-4602", "", "http://scholar.google.com/scholar?q=Supplemental+guidance+for+developing+soil+screening+levels+for+superfund+sites+ABD+2002", "bbd99c14-2f60-42b6", "", "ref19", "e22085ed-6b0e-422b", "", "19. ", "19842845-ab8c-4f47", "", "19.\n ", "pone.0261957.ref019", "4a471f7f-0ae6-4f5e", "", "Forstner U, Ahlf W, Calmano W, Kersten M. Sediment criteria development. In: Sediments and environmental geochemistry. Springer, Berlin, Heidelberg. 1990; 311\u2013338. ", "c2dfafca-08a6-4a25", "", "ref20", "0816c4ef-f23d-4793", "", "20. ", "1a204975-c128-4146", "", "20.\n ", "pone.0261957.ref020", "c52737ba-7ad0-415f", "", "Huu Hieu HO, Swennen R, Van Damme A. Distribution and contamination status of heavy metals in Estuarine sediments near Cua ONg Harbor, Ha Long Bay, Vietnam. Geologica belgica. 2002; 13::37\u201347. ", "b41177da-12f9-472e", "", "4cf0ca68-9064-48de", "", "Huu%20Hieu", "Huu%20HieuHO%2C%20SwennenR%2C%20Van%20DammeA.%20Distribution%20and%20contamination%20status%20of%20heavy%20metals%20in%20Estuarine%20sediments%20near%20Cua%20ONg%20Harbor%2C%20Ha%20Long%20Bay%2C%20Vietnam.%20Geologica%20belgica.%202002%3B%2013%3A%3A37%E2%80%9347.", "Distribution%20and%20contamination%20status%20of%20heavy%20metals%20in%20Estuarine%20sediments%20near%20Cua%20ONg%20Harbor%2C%20Ha%20Long%20Bay%2C%20Vietnam", "a65c1dc1-ca3c-4ec5", "", "31db8985-4d2d-4570", "", "http://scholar.google.com/scholar?q=Distribution+and+contamination+status+of+heavy+metals+in+Estuarine+sediments+near+Cua+ONg+Harbor%2C+Ha+Long+Bay%2C+Vietnam+Huu+Hieu+2002", "22c5861c-5210-4083", "", "ref21", "b2212917-2198-45d8", "", "21. ", "aa6d1f5f-cada-425c", "", "21.\n ", "pone.0261957.ref021", "dbc04c2a-a787-42c2", "", "Muller G. Index of geoaccumulation in sediments of the Rhine River. Geojournal. 1969; 2:108\u2013118. ", "36fcedb9-1a66-418b", "", "27a9e415-3c06-42fb", "", "Muller", "MullerG.%20Index%20of%20geoaccumulation%20in%20sediments%20of%20the%20Rhine%20River.%20Geojournal.%201969%3B%202%3A108%E2%80%93118.", "Index%20of%20geoaccumulation%20in%20sediments%20of%20the%20Rhine%20River", "d5098516-d237-4335", "", "130b296e-566d-4a55", "", "http://scholar.google.com/scholar?q=Index+of+geoaccumulation+in+sediments+of+the+Rhine+River+Muller+1969", "9935f058-f02c-49af", "", "ref22", "6954dbdc-c7cf-4528", "", "22. ", "bc3880c8-fb1c-4673", "", "22.\n ", "pone.0261957.ref022", "0fb8dba2-171e-4d6b", "", "Soares HMVM, Boaventura RAR, Machado AASC, EstevesdaSilva JCG. Sediments as monitors of heavy metal contamination in the Ave River Basin (Portugal), multivariate analysis of data. Environ Pollut. 1999; 105:311\u2013323. pmid:15093073 ", "10.1016/s0269-7491(99)00048-2", "8973e3f6-fdcd-431a", "", "bb84725c-9d35-4fb7", "", "https://doi.org/10.1016/s0269-7491(99)00048-2", "0b39e540-ca1f-4b81", "", "e7788236-a869-403d", "", "http://www.ncbi.nlm.nih.gov/pubmed/15093073", "e95aa888-d7a5-4d86", "", "c2167a45-6455-4325", "", "http://scholar.google.com/scholar?q=Sediments+as+monitors+of+heavy+metal+contamination+in+the+Ave+River+Basin+%28Portugal%29%2C+multivariate+analysis+of+data.+Soares+1999", "477703ee-0b98-4748", "", "ref23", "9c378a56-1d42-4183", "", "23. ", "16abe4b2-f04e-470b", "", "23.\n ", "pone.0261957.ref023", "863a015b-5850-400b", "", "Harikumar PS, Nasir UP, Rahman MM. Distribution of heavy metals in the core sediments of a tropical wetland system. Int J Environ Sci Technol. 2009; 6:225\u2013232. ", "5a31a86c-4617-46be", "", "e2348d6c-b1e2-4261", "", "Harikumar", "HarikumarPS%2C%20NasirUP%2C%20RahmanMM.%20Distribution%20of%20heavy%20metals%20in%20the%20core%20sediments%20of%20a%20tropical%20wetland%20system.%20Int%20J%20Environ%20Sci%20Technol.%202009%3B%206%3A225%E2%80%93232.", "Distribution%20of%20heavy%20metals%20in%20the%20core%20sediments%20of%20a%20tropical%20wetland%20system", "38352f26-90d9-41ee", "", "1f94a5f9-0401-4bda", "", "http://scholar.google.com/scholar?q=Distribution+of+heavy+metals+in+the+core+sediments+of+a+tropical+wetland+system+Harikumar+2009", "7da09743-793f-4182", "", "ref24", "d97ff542-2f39-4771", "", "24. ", "ff406d53-817a-4a3a", "", "24.\n ", "pone.0261957.ref024", "9d8c4b4f-d66b-421e", "", "Loska K, Wiechu\u0142a D, Pelczr J. Application of enrichment factor to assessment of zinc enrichment/depletion in farming soils. Comm Soil Sci Plant Anal. 2005; 36:1117\u20131128. ", "4c2b65d0-b507-4484", "", "eb22f58a-ec11-4641", "", "Loska", "LoskaK%2C%20Wiechu%C5%82aD%2C%20PelczrJ.%20Application%20of%20enrichment%20factor%20to%20assessment%20of%20zinc%20enrichment%2Fdepletion%20in%20farming%20soils.%20Comm%20Soil%20Sci%20Plant%20Anal.%202005%3B%2036%3A1117%E2%80%931128.", "Application%20of%20enrichment%20factor%20to%20assessment%20of%20zinc%20enrichment%2Fdepletion%20in%20farming%20soils", "1c9a1586-1edd-4454", "", "68ac2a96-b314-4dbb", "", "http://scholar.google.com/scholar?q=Application+of+enrichment+factor+to+assessment+of+zinc+enrichment%2Fdepletion+in+farming+soils+Loska+2005", "8dde93ec-da01-4ba7", "", "ref25", "57dee093-08aa-4294", "", "25. ", "240c77f1-e9cc-4136", "", "25.\n ", "pone.0261957.ref025", "46d351db-abd2-45c8", "", "Cheng VWS, Davenport TA, Johnson D, Vella K, Mitchell J, Hickie IB. An app that incorporates gamification, mini-games, and social connection to improve men\u2019s mental health and well-being (MindMax): participatory design process. JMIR Mental Health. 2018; 5(4), e11068. pmid:30455165 ", "10.2196/11068", "af4eaa25-6487-4f72", "", "8f3f9071-96ea-4899", "", "https://doi.org/10.2196/11068", "28e22f02-609d-44a5", "", "a513ff44-2193-4719", "", "http://www.ncbi.nlm.nih.gov/pubmed/30455165", "78027405-293e-4812", "", "c1de90c0-bddd-4a70", "", "http://scholar.google.com/scholar?q=An+app+that+incorporates+gamification%2C+mini-games%2C+and+social+connection+to+improve+men%E2%80%99s+mental+health+and+well-being+%28MindMax%29%3A+participatory+design+process+Cheng+2018", "c0622731-ed54-452a", "", "ref26", "1ccbbeb5-d592-4a79", "", "26. ", "bfcdd727-ea69-438e", "", "26.\n ", "pone.0261957.ref026", "0772f57e-80f8-44bd", "", "Yongming H, Peixuan D, Junji C, Posmentier ES. Multivariate analysis of heavy metal contamination in urban dusts of Xi\u2019an, Central China. Sci Total Environ. 2006; 355:176\u201386. pmid:15885748 ", "10.1016/j.scitotenv.2005.02.026", "d790974a-843c-4db5", "", "538bca58-68b8-4a42", "", "https://doi.org/10.1016/j.scitotenv.2005.02.026", "7763e537-f728-4371", "", "7666fff2-1d80-4a80", "", "http://www.ncbi.nlm.nih.gov/pubmed/15885748", "b6cee9bd-1f31-4e13", "", "c5875f10-ed59-4d8b", "", "http://scholar.google.com/scholar?q=Multivariate+analysis+of+heavy+metal+contamination+in+urban+dusts+of+Xi%E2%80%99an%2C+Central+China+Yongming+2006", "70081897-81b7-4f34", "", "ref27", "5734377e-f416-42af", "", "27. ", "c3b6a1c7-115c-4215", "", "27.\n ", "pone.0261957.ref027", "5db90c09-0f0b-4883", "", "Hjortenkrans D, Bergback B, Haggerud A. New metal emission patterns in road traffic environments. Environ Monit Assess. 2006; 117:85\u201398. pmid:16917700 ", "10.1007/s10661-006-7706-2", "3aaaabc3-85e0-42c8", "", "f7cccf8e-c736-424d", "", "https://doi.org/10.1007/s10661-006-7706-2", "f7f417e6-5c99-4af4", "", "27f29227-f234-4c1d", "", "http://www.ncbi.nlm.nih.gov/pubmed/16917700", "3e464add-3bc5-44dc", "", "be2cb2d1-73dd-4cb2", "", "http://scholar.google.com/scholar?q=New+metal+emission+patterns+in+road+traffic+environments+Hjortenkrans+2006", "d244f7c0-6421-4bd3", "", "ref28", "4f664af0-17de-44b6", "", "28. ", "26124d85-e6ab-4aea", "", "28.\n ", "pone.0261957.ref028", "f5283fad-c2f4-40a4", "", "Kamani H, Ashrafi SD, Isazadeh S, Jaafari J, Hoseini M, Mostafapour FK, et al. Heavy metal contamination in street dusts with various land uses in Zahedan, Iran. B Environ Contam Tox. 2015; 94:382\u2013386. pmid:25573278 ", "10.1007/s00128-014-1453-9", "f8b5c787-be52-470e", "", "815ec2f5-2172-450c", "", "https://doi.org/10.1007/s00128-014-1453-9", "c0e5dc28-0c40-433b", "", "ba6e4bff-d00d-455a", "", "http://www.ncbi.nlm.nih.gov/pubmed/25573278", "b41cec45-5fed-4f1f", "", "5d5e54df-00ba-4fc8", "", "http://scholar.google.com/scholar?q=Heavy+metal+contamination+in+street+dusts+with+various+land+uses+in+Zahedan%2C+Iran+Kamani+2015", "c005588e-c954-486c", "", "ref29", "01455920-e88f-48fc", "", "29. ", "a82c1c6c-3c9a-43f3", "", "29.\n ", "pone.0261957.ref029", "ca3df58d-54cd-4f13", "", "Yang Z, Lu W, Long Y, Bao X, Yang Q. Assessment of heavy metals contamination in urban topsoil from Changchun City, China. J Geochem Explor. 2011; 108:27\u201338. ", "96b57c6e-4c22-46e2", "", "56ee9320-c4aa-480f", "", "Yang", "YangZ%2C%20LuW%2C%20LongY%2C%20BaoX%2C%20YangQ.%20Assessment%20of%20heavy%20metals%20contamination%20in%20urban%20topsoil%20from%20Changchun%20City%2C%20China.%20J%20Geochem%20Explor.%202011%3B%20108%3A27%E2%80%9338.", "Assessment%20of%20heavy%20metals%20contamination%20in%20urban%20topsoil%20from%20Changchun%20City%2C%20China.", "917803a4-2c35-4f1c", "", "66db189c-414d-47f1", "", "http://scholar.google.com/scholar?q=Assessment+of+heavy+metals+contamination+in+urban+topsoil+from+Changchun+City%2C+China.+Yang+2011", "638eb8fc-10dd-4a6f", "", "ref30", "ad646108-2d66-4962", "", "30. ", "24ce1216-a71b-4539", "", "30.\n ", "pone.0261957.ref030", "6b1313e3-92dd-42f3", "", "Trujillo-Gonzalez JM, Torres-Mora MA, Keesstra S, Brevik EC, Jimenez-Ballesta R. Heavy metal accumulation related to population density in road dust samples taken from urban sites under different land uses. Sci Total Environ. 2016; 553:636\u2013642. pmid:26986764 ", "10.1016/j.scitotenv.2016.02.101", "9f915fd0-23c3-46ab", "", "b4926899-4a80-4cb5", "", "https://doi.org/10.1016/j.scitotenv.2016.02.101", "df53ad14-9f97-43df", "", "75d14e1a-d396-4379", "", "http://www.ncbi.nlm.nih.gov/pubmed/26986764", "f4bb3185-0ccf-4557", "", "859cbc5b-a147-4e2a", "", "http://scholar.google.com/scholar?q=Heavy+metal+accumulation+related+to+population+density+in+road+dust+samples+taken+from+urban+sites+under+different+land+uses+Trujillo-Gonzalez+2016", "9591976b-d574-4ed6", "", "ref31", "a49833d4-2e4d-4951", "", "31. ", "22fcd806-1a56-4a1c", "", "31.\n ", "pone.0261957.ref031", "bd44e6f7-171b-4b59", "", "Madany IM, Akhtcr MS, Agowdcr OA. The correlations between heavy meals in residential indoor dust and outdoor street dust in Bahrain. Environ Int. 1994; 20:483\u2013492. ", "67012e7e-9391-47c6", "", "b842d5ba-f019-49f8", "", "Madany", "MadanyIM%2C%20AkhtcrMS%2C%20AgowdcrOA.%20The%20correlations%20between%20heavy%20meals%20in%20residential%20indoor%20dust%20and%20outdoor%20street%20dust%20in%20Bahrain.%20Environ%20Int.%201994%3B%2020%3A483%E2%80%93492.", "The%20correlations%20between%20heavy%20meals%20in%20residential%20indoor%20dust%20and%20outdoor%20street%20dust%20in%20Bahrain", "3713b5cc-e464-4f26", "", "2025832d-9a60-44b0", "", "http://scholar.google.com/scholar?q=The+correlations+between+heavy+meals+in+residential+indoor+dust+and+outdoor+street+dust+in+Bahrain+Madany+1994", "24665b20-06f3-4dd4", "", "ref32", "4dbbce63-949b-4a8e", "", "32. ", "0da2a9b1-04d3-4358", "", "32.\n ", "pone.0261957.ref032", "9b70f089-c246-49df", "", "Al-Rajhi MA, Seaward MRD, Al-Aamer AS. Metal levels in indoor and outdoor dust in Riyadh, Saudi Arabia. Environ Int. 1996; 22:315\u2013324. ", "40adfb40-7ec8-46ea", "", "0685387a-0a5d-4e3b", "", "Al-Rajhi", "Al-RajhiMA%2C%20SeawardMRD%2C%20Al-AamerAS.%20Metal%20levels%20in%20indoor%20and%20outdoor%20dust%20in%20Riyadh%2C%20Saudi%20Arabia.%20Environ%20Int.%201996%3B%2022%3A315%E2%80%93324.", "Metal%20levels%20in%20indoor%20and%20outdoor%20dust%20in%20Riyadh%2C%20Saudi%20Arabia.", "5e273b64-4a43-425f", "", "819f7862-8db3-425b", "", "http://scholar.google.com/scholar?q=Metal+levels+in+indoor+and+outdoor+dust+in+Riyadh%2C+Saudi+Arabia.+Al-Rajhi+1996", "75be2d47-1ee5-4fc7", "", "ref33", "1dabc3fa-cfd1-4427", "", "33. ", "a37a378c-4550-4e2f", "", "33.\n ", "pone.0261957.ref033", "ccaf33c6-4e14-43d9", "", "Castellanos D, Carreto-Vazquez VH, Mashuga CV, Trottier R, Mejia AF, Mannan MS. The effect of particle size polydispersity on the explosibility characteristics of aluminum dust. Powder Technol. 2014; 254:331\u2013337. ", "6a536f3b-5afc-437f", "", "287c0aca-e84d-4dc9", "", "Castellanos", "CastellanosD%2C%20Carreto-VazquezVH%2C%20MashugaCV%2C%20TrottierR%2C%20MejiaAF%2C%20MannanMS.%20The%20effect%20of%20particle%20size%20polydispersity%20on%20the%20explosibility%20characteristics%20of%20aluminum%20dust.%20Powder%20Technol.%202014%3B%20254%3A331%E2%80%93337.", "The%20effect%20of%20particle%20size%20polydispersity%20on%20the%20explosibility%20characteristics%20of%20aluminum%20dust", "f3448c07-c5fa-4669", "", "ac835fa8-8f83-415e", "", "http://scholar.google.com/scholar?q=The+effect+of+particle+size+polydispersity+on+the+explosibility+characteristics+of+aluminum+dust+Castellanos+2014", "55aca770-53e1-4c3c", "", "ref34", "0bf82ef2-e67b-4938", "", "34. ", "fd5502e8-5019-4376", "", "34.\n ", "pone.0261957.ref034", "87209cc0-d567-4b2c", "", "Wu Q, Leung JY, Geng X, Chen S, Huang X, Li H, et al. Heavy metal contamination of soil and water in the vicinity of an abandoned e-waste recycling site: implications for dissemination of heavy metals. Sci Total Environ. 2015; 506:217\u201325. pmid:25460954 ", "10.1016/j.scitotenv.2014.10.121", "2e8245bf-afb1-4ab0", "", "f7640fc2-6bd9-45f6", "", "https://doi.org/10.1016/j.scitotenv.2014.10.121", "9bf7c534-a689-415d", "", "aa913386-5dde-4f6a", "", "http://www.ncbi.nlm.nih.gov/pubmed/25460954", "af95c3ed-3c04-4ba4", "", "9f9b5697-c5da-4594", "", "http://scholar.google.com/scholar?q=Heavy+metal+contamination+of+soil+and+water+in+the+vicinity+of+an+abandoned+e-waste+recycling+site%3A+implications+for+dissemination+of+heavy+metals+Wu+2015", "9324672c-3b16-4a5c", "", "ref35", "7d2335a6-358c-4dd2", "", "35. ", "cda1eb8a-90ad-44fd", "", "35.\n ", "pone.0261957.ref035", "1f6a9a54-fa65-4e45", "", "Xing W, Zhao Q, Scheckel KG, Zheng L, Li L. Inhalation bioaccessibility of Cd, Cu, Pb and Zn and speciation of Pb in particulate matter fractions from areas with different pollution characteristics in Henan Province, China. Ecotoxicol Environ Saf. 2019; 175:192\u2013200. pmid:30901636 ", "10.1016/j.ecoenv.2019.03.062", "9368e94f-8de3-4740", "", "7a9a9940-eca7-4478", "", "https://doi.org/10.1016/j.ecoenv.2019.03.062", "ede55734-ce8b-4612", "", "17efe64b-9981-465e", "", "http://www.ncbi.nlm.nih.gov/pubmed/30901636", "2de79bb4-627e-4915", "", "b744a068-7698-4535", "", "http://scholar.google.com/scholar?q=Inhalation+bioaccessibility+of+Cd%2C+Cu%2C+Pb+and+Zn+and+speciation+of+Pb+in+particulate+matter+fractions+from+areas+with+different+pollution+characteristics+in+Henan+Province%2C+China+Xing+2019", "99492f29-9212-422f", "", "ref36", "8f292408-dc18-45b9", "", "36. ", "bcbae22b-8749-4f5a", "", "36.\n ", "pone.0261957.ref036", "62773592-9b2f-4d0d", "", "Han Q, Wang M, Cao J, Gui C, Liu Y, He X, et al. Health risk assessment and bioaccessibilities of heavy metals for children in soil and dust from urban parks and schools of Jiaozuo, China. Ecotoxicol Environ Saf. 2020; 191:110157. pmid:31954218 ", "10.1016/j.ecoenv.2019.110157", "dc84baf2-9691-4bea", "", "bbd1db2b-f6cf-4989", "", "https://doi.org/10.1016/j.ecoenv.2019.110157", "fd1996b5-74b3-4c76", "", "64613174-f18c-44b0", "", "http://www.ncbi.nlm.nih.gov/pubmed/31954218", "1a48d5f5-55c7-425a", "", "48713ab3-6035-46e5", "", "http://scholar.google.com/scholar?q=Health+risk+assessment+and+bioaccessibilities+of+heavy+metals+for+children+in+soil+and+dust+from+urban+parks+and+schools+of+Jiaozuo%2C+China+Han+2020", "d1f9aa14-ce60-4219", "", "ref37", "6dc5a24c-da8f-4a43", "", "37. ", "cdf9f5b4-2a4e-460c", "", "37.\n ", "pone.0261957.ref037", "45c41037-793f-498f", "", "World Health Organisation (WHO). Air quality guidelines for Europe. In: WHO regional publications European series. 2nd ed., vol. 91. Copenhagen. 2000. ", "727ca1b8-d1c9-4cc7", "", "ref38", "ad33fe3f-d4e3-4f37", "", "38. ", "7e5c5a97-a75d-42a9", "", "38.\n ", "pone.0261957.ref038", "8ba2ec6e-5962-4e8d", "", "Zheng N, Liu J, Wang Q, Liang Z. Health risk assessment of heavy metal exposure to street dust in the zinc smelting district, Northeast of China. Sci Total Environ. 2010; 408:726\u2013733. pmid:19926116 ", "10.1016/j.scitotenv.2009.10.075", "c7ab49ff-b6ad-4dcb", "", "fcd8b32a-aed2-493c", "", "https://doi.org/10.1016/j.scitotenv.2009.10.075", "78a1154d-2de2-4c73", "", "089bb15b-d874-45ca", "", "http://www.ncbi.nlm.nih.gov/pubmed/19926116", "0f24fe5c-32f6-41e5", "", "26097b9d-356b-4168", "", "http://scholar.google.com/scholar?q=Health+risk+assessment+of+heavy+metal+exposure+to+street+dust+in+the+zinc+smelting+district%2C+Northeast+of+China+Zheng+2010", "b404eeba-ded3-40b6", "", "ref39", "c86de515-d2ca-45ea", "", "39. ", "03ddc6eb-ab3e-42f8", "", "39.\n ", "pone.0261957.ref039", "599c612b-02f5-419e", "", "Fang F, Jiang B, Wang H, Xie H. Particle size distribution and health risk assessment of heavy metals in surface dust of Wuhu urban area. Geograph Res. 2010; 29:1193\u20131202. ", "089e05a3-defa-4810", "", "9f2f16c8-0e75-4e18", "", "Fang", "FangF%2C%20JiangB%2C%20WangH%2C%20XieH.%20Particle%20size%20distribution%20and%20health%20risk%20assessment%20of%20heavy%20metals%20in%20surface%20dust%20of%20Wuhu%20urban%20area.%20Geograph%20Res.%202010%3B%2029%3A1193%E2%80%931202.", "Particle%20size%20distribution%20and%20health%20risk%20assessment%20of%20heavy%20metals%20in%20surface%20dust%20of%20Wuhu%20urban%20area", "d6c728e9-b3a6-4b05", "", "18d31ece-b5e6-4145", "", "http://scholar.google.com/scholar?q=Particle+size+distribution+and+health+risk+assessment+of+heavy+metals+in+surface+dust+of+Wuhu+urban+area+Fang+2010", "f74ff195-2647-46d5", "", "ref40", "89d903dd-d373-4d6e", "", "40. ", "f32769d2-8a91-48b5", "", "40.\n ", "pone.0261957.ref040", "097f9898-73e8-4172", "", "Shabbaj II, Alghamdi MA, Shamy M, Hassan SK, Alsharif MM, Khoder MI. Risk assessment and implication of human exposure to road dust heavy metals in Jeddah, Saudi Arabia. Int J Environ Res Public Health. 2018; 15:36. ", "7ab86ec5-7f52-49b4", "", "fcf26c4f-bc45-40fa", "", "Shabbaj", "ShabbajII%2C%20AlghamdiMA%2C%20ShamyM%2C%20HassanSK%2C%20AlsharifMM%2C%20KhoderMI.%20Risk%20assessment%20and%20implication%20of%20human%20exposure%20to%20road%20dust%20heavy%20metals%20in%20Jeddah%2C%20Saudi%20Arabia.%20Int%20J%20Environ%20Res%20Public%20Health.%202018%3B%2015%3A36.", "Risk%20assessment%20and%20implication%20of%20human%20exposure%20to%20road%20dust%20heavy%20metals%20in%20Jeddah%2C%20Saudi%20Arabia", "b66853fc-3a79-4bc7", "", "6116c7c5-5386-4043", "", "http://scholar.google.com/scholar?q=Risk+assessment+and+implication+of+human+exposure+to+road+dust+heavy+metals+in+Jeddah%2C+Saudi+Arabia+Shabbaj+2018", "ecb789e8-5304-421e", "", "ref41", "0930b103-06e2-41d1", "", "41. ", "04f53fa1-4a28-4706", "", "41.\n ", "pone.0261957.ref041", "6087e4b8-03d8-47fc", "", "Aiman U, Mahmood A, Waheed S, Malik RN. Enrichment, geoaccumulation and risk surveillance of toxic metals for different environmental compartments from Mehmood Booti dumping site, Lahore city, Pakistan. Chemosphere. 2016; 144:2229\u20132237. pmid:26598991 ", "10.1016/j.chemosphere.2015.10.077", "fed026d1-dad1-44af", "", "b9eaa01b-db6b-463e", "", "https://doi.org/10.1016/j.chemosphere.2015.10.077", "91294bcd-09d2-4e9c", "", "56e86cf4-64a8-4fee", "", "http://www.ncbi.nlm.nih.gov/pubmed/26598991", "a6ab322d-7409-4007", "", "bdfd31c7-4bdb-4929", "", "http://scholar.google.com/scholar?q=Enrichment%2C+geoaccumulation+and+risk+surveillance+of+toxic+metals+for+different+environmental+compartments+from+Mehmood+Booti+dumping+site%2C+Lahore+city%2C+Pakistan.+Aiman+2016", "c720601b-2e56-474f", "", "ref42", "5680a2dc-ae17-40cc", "", "42. ", "c9a057a4-0ebf-48e2", "", "42.\n ", "pone.0261957.ref042", "7b982967-df9a-4e67", "", "Chen L, Zeng F, Luo D, Cui K. Study of the distribution characteristics of phthalate esters in road dust of the city. Acta Sci Circumst. 2005; 25:409\u2013413. ", "559dcc36-c637-414c", "", "487f669a-f4da-46ce", "", "Chen", "ChenL%2C%20ZengF%2C%20LuoD%2C%20CuiK.%20Study%20of%20the%20distribution%20characteristics%20of%20phthalate%20esters%20in%20road%20dust%20of%20the%20city.%20Acta%20Sci%20Circumst.%202005%3B%2025%3A409%E2%80%93413.", "Study%20of%20the%20distribution%20characteristics%20of%20phthalate%20esters%20in%20road%20dust%20of%20the%20city", "6747a9cc-5afb-461b", "", "23815288-2feb-4b17", "", "http://scholar.google.com/scholar?q=Study+of+the+distribution+characteristics+of+phthalate+esters+in+road+dust+of+the+city+Chen+2005", "ceff7eff-437d-4b81", "", "ref43", "74d86b98-19ab-4900", "", "43. ", "d3addbac-0e77-4217", "", "43.\n ", "pone.0261957.ref043", "d899d799-9edd-4635", "", "Shi GT, Chen ZL, Bi CJ, Wang L, Teng JY, Li YS, et al. A comparative study of health risk of potential metals in urban and sub urban road dust in the most populated city of China. Atmos Environ. 2011; 45:764\u2013771. ", "66f9d0d4-dcb3-461f", "", "5c320381-1f9b-4ee2", "", "Shi", "ShiGT%2C%20ChenZL%2C%20BiCJ%2C%20WangL%2C%20TengJY%2C%20LiYS%2C%20et%20al.%20A%20comparative%20study%20of%20health%20risk%20of%20potential%20metals%20in%20urban%20and%20sub%20urban%20road%20dust%20in%20the%20most%20populated%20city%20of%20China.%20Atmos%20Environ.%202011%3B%2045%3A764%E2%80%93771.", "A%20comparative%20study%20of%20health%20risk%20of%20potential%20metals%20in%20urban%20and%20sub%20urban%20road%20dust%20in%20the%20most%20populated%20city%20of%20China", "fe99b8c7-a450-4f25", "", "ee2a6837-cc76-4ef1", "", "http://scholar.google.com/scholar?q=A+comparative+study+of+health+risk+of+potential+metals+in+urban+and+sub+urban+road+dust+in+the+most+populated+city+of+China+Shi+2011", "a5b51e6d-e27a-44e9", "", "ref44", "dd75f6af-7d43-4144", "", "44. ", "904b8fca-e006-4901", "", "44.\n ", "pone.0261957.ref044", "f47021cf-ac1b-4b24", "", "Ali MU, Liu G, Yousaf B, Abbas Q, Ullah H, Munir MAM, et al. Pollution characteristics and human health risks of potentially (eco) toxic elements (PTEs) in road dust from metropolitan area of Hefei, China. Chemosphere, 2017; 181:111\u2013121. pmid:28433929 ", "10.1016/j.chemosphere.2017.04.061", "74d1bf74-a7a4-4455", "", "f6081a01-fa81-4597", "", "https://doi.org/10.1016/j.chemosphere.2017.04.061", "7b4b117f-4e3f-44f2", "", "94ef6859-c845-43fa", "", "http://www.ncbi.nlm.nih.gov/pubmed/28433929", "2efbaf32-ef8b-48ef", "", "7e2977b8-e6ac-455a", "", "http://scholar.google.com/scholar?q=Pollution+characteristics+and+human+health+risks+of+potentially+%28eco%29+toxic+elements+%28PTEs%29+in+road+dust+from+metropolitan+area+of+Hefei%2C+China+Ali+2017", "3bde95d2-8f2d-4f24", "", "ref45", "9105e289-b2cc-4c1a", "", "45. ", "e9296945-e2cc-40c4", "", "45.\n ", "pone.0261957.ref045", "7a980c9c-f1db-4acb", "", "Alharbi BH, Pasha MJ, Alotaibi MD, Alduwais AK, Al-Shamsi MAS. Contamination and risk levels of metals associated with urban street dust in Riyadh, Saudi Arabia. Environ Sci Poll Res. 2020; 1\u201313. pmid:32193734 ", "10.1007/s11356-020-08362-7", "8456515b-2234-4b00", "", "42533c63-8aa9-46ec", "", "https://doi.org/10.1007/s11356-020-08362-7", "1355dad7-6689-4e61", "", "02833191-a162-454a", "", "http://www.ncbi.nlm.nih.gov/pubmed/32193734", "174dd6c3-d308-4e23", "", "f8a14303-937c-4182", "", "http://scholar.google.com/scholar?q=Contamination+and+risk+levels+of+metals+associated+with+urban+street+dust+in+Riyadh%2C+Saudi+Arabia+Alharbi+2020", "479fb7c0-f98d-458d", "", "\n\n\n\n ", "ref-tooltip", "top: 4019.23px; left: 432.737px; display: none;", "f06bf86b-439c-4eb7", "", "ref_tooltip-content", "1238ab57-3591-4937", "", "\n\n ", "ASIDE", "article-aside", "05174164-7929-4b76", "", "[if IE 9]>\n\nHeavy metal pollution and associated health risk assessment of urban dust in Riyadh, Saudi Arabia<\\/article-title>',\n date: 'Jan 06, 2022'\n };\n", "/resource/js/components/show_onscroll.js", "1076a81a-dc25-4b73", "", "/resource/js/components/pagination.js", "4ea579f9-7bcd-42e7", "", "/resource/js/vendor/spin.js", "f89da198-b0eb-41a4", "", "/resource/js/pages/article.js", "c3e192d2-8f01-4254", "", "beeff82f-4830-4f85", "", "(function(a,e,b,f,g,c,d){a[b]=a[b]||function(){(a[b].q=a[b].q||[]).push(arguments)};c=e.createElement(f);c.async=1;c.src=\"https://www.clarity.ms/tag/\"+g+\"?ref\\x3dgtm2\";d=e.getElementsByTagName(f)[0];d.parentNode.insertBefore(c,d)})(window,document,\"clarity\",\"script\",\"g81mwhwip7\");", "/resource/js/pages/article_references.js", "43ed5898-24ac-479f", "", "/resource/js/pages/article_sidebar.js", "be9926fd-4566-4865", "", "https://0db987139b522e7e22acc17c63235599.safeframe.googlesyndication.com/safeframe/1-0-40/html/container.html", "visibility: hidden; display: none;", "e9f9948c-301c-4bd3", "", "22c3c6aa-3352-4efd", "", "/resource/js/components/table_open.js", "9fcb8728-0dea-40e8", "", "/resource/js/components/figshare.js", "beeb4781-33ad-4555", "", "/resource/js/vendor/jquery.panzoom.min.js", "e5e6c891-0e54-449b", "", "/resource/js/vendor/jquery.mousewheel.js", "29a4e210-3c24-4aa8", "", "/resource/js/components/lightbox.js", "51b61de1-5b62-4c0e", "", "/resource/js/pages/article_body.js", "69ad0fa1-3cc4-4d76", "", " This file should be loaded before the renderJs, to avoid conflicts with the FigShare, that implements the MathJax also. ", " mathjax configuration options ", " more can be found at http://docs.mathjax.org/en/latest/ ", "text/x-mathjax-config;executed=true", "eb8f3f3b-0d6d-42d2", "", "\nMathJax.Hub.Config({\n \"HTML-CSS\": {\n scale: 100,\n availableFonts: [\"STIX\",\"TeX\"],\n preferredFont: \"STIX\",\n webFont: \"STIX-Web\",\n linebreaks: { automatic: false }\n },\n jax: [\"input/MathML\", \"output/HTML-CSS\"]\n});\n", "https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=MML_HTMLorMML", "48bcb5ed-ab0d-4f5a", "", "reveal-modal-bg", "f94c195d-a401-4782", "", "google_ads_top_frame", "display: none; position: fixed; left: -999px; top: -999px; width: 0px; height: 0px;", "8ac371eb-cf4f-4660", "", "data-linking-survey", "a7f8358b-f62e-4691", "", "cookie-consent", "ea22a56b-3f9a-4228", "", "c3b91951-2316-4312", "", "FIGSHARE-OVERLAY", "9509f976-59ca-4ff1", "", "e87fa0cc-0548-46f9", "", "fb-root", " fb_reset fb_reset", "28cbd5a2-efaf-4dc8", "", "position: absolute; top: -10000px; width: 0px; height: 0px;", "a609731d-80f8-4258", "", "900f7764-3a4e-41cd", "", "fs-overlay fs-inactive", "1166a134-b5d7-4583", "", "https://delivery.pbgrd.com/network/logger.php?cb=48956222&pgpid=10.1371%2Fjournal.pone.0261957&pgiid=16867227280718734167874101371journalpone0261957___p&pgpro=57&pgpub=57&pgzid=229&pgskip=1&pgscrh=864&pgscrw=1536&pgjour=plos%20one&exc=1", "72a68295-3ea8-4175", "", "sandbox", "17d8fd00-2567-4b8e", "", "https://delivery.pbgrd.com/network/logger.php?cb=39016959&pgpid=10.1371%2Fjournal.pone.0261957&pgiid=168672272835221067530153101371journalpone0261957___p&pgpro=57&pgpub=57&pgzid=227&pgscrh=864&pgscrw=1536&pgjour=plos%20one&exc=1", "fefda623-40aa-43e4", "", "allowtransparency", "https://platform.twitter.com/widgets/widget_iframe.2b2d73daf636805223fb11d48f3e94f7.html?origin=https%3A%2F%2Fjournals.plos.org", "Twitter settings iframe", "0e2d1c28-1cc2-4f6e", "", "rufous-sandbox", "allowfullscreen", "position: absolute; visibility: hidden; display: none; width: 0px; height: 0px; padding: 0px; border: none;", "Twitter analytics iframe", "078ee484-7372-46bc", "", "https://www.google.com/recaptcha/api2/aframe", "eb3c2c13-f5e5-4ffe", "", "ce_proto_iframe", "CrazyEgg Tracking iframe", "824b563d-c8c5-4c03", "", "8EEA37566384CA8EFCE4214072345F7F", "B099E64F5EC9A803B279207EB1A1228C", "E7645371CE7D3E661763976D95A75914", "SafeFrame Container", "FBA0533118146C2FA10310FCF16DD4C2", "html", "\n(function(){/*\n\n Copyright The Closure Library Authors.\n SPDX-License-Identifier: Apache-2.0\n*/\nvar f=this||self,h=function(a){return a};var n=function(a,b){this.h=a===l&&b||\"\";this.g=m},p=function(a){return a instanceof n&&a.constructor===n&&a.g===m?a.h:\"type_error:Const\"},m={},l={};var r=void 0;/*\n\n SPDX-License-Identifier: Apache-2.0\n*/\nvar t,aa=function(){if(void 0===t){var a=null,b=f.trustedTypes;if(b&&b.createPolicy){try{a=b.createPolicy(\"goog#html\",{createHTML:h,createScript:h,createScriptURL:h})}catch(c){f.console&&f.console.error(c.message)}t=a}else t=a}return t};var ca=function(a){this.g=ba===ba?a:\"\"};ca.prototype.toString=function(){return this.g+\"\"};var ba={},da=function(a){var b=aa();a=b?b.createScriptURL(a):a;return new ca(a)};var ea={},u=function(a,b){this.g=b===ea?a:\"\"};u.prototype.toString=function(){return this.g.toString()};var ha=function(){var a=v,b={message:fa(v)};var c=void 0===c?{}:c;this.error=a;this.context=b.context;this.msg=b.message||\"\";this.id=b.id||\"jserror\";this.meta=c};var w=function(a){w[\" \"](a);return a};w[\" \"]=function(){};var ia=RegExp(\"^(?:([^:/?#.]+):)?(?://(?:([^\\\\\\\\/?#]*)@)?([^\\\\\\\\/?#]*?)(?::([0-9]+))?(?=[\\\\\\\\/?#]|$))?([^?#]+)?(?:\\\\?([^#]*))?(?:#([\\\\s\\\\S]*))?$\");var ja=function(a,b){if(a)for(var c in a)Object.prototype.hasOwnProperty.call(a,c)&&b(a[c],c,a)};var ka=RegExp(\"^https?://(\\\\w|-)+\\\\.cdn\\\\.ampproject\\\\.(net|org)(\\\\?|/|$)\"),ma=function(){var a=la;this.g=x;this.h=a},na=function(a,b){this.url=a;this.j=!!b;this.depth=null};function oa(a){f.google_image_requests||(f.google_image_requests=[]);var b=f.document;b=void 0===b?document:b;b=b.createElement(\"img\");b.src=a;f.google_image_requests.push(b)};var y=function(){this.i=\"&\";this.h={};this.o=0;this.g=[]},z=function(a,b){var c={};c[a]=b;return[c]},qa=function(a,b,c,d,e){var k=[];ja(a,function(g,A){(g=pa(g,b,c,d,e))&&k.push(A+\"=\"+g)});return k.join(b)},pa=function(a,b,c,d,e){if(null==a)return\"\";b=b||\"&\";c=c||\",$\";\"string\"==typeof c&&(c=c.split(\"\"));if(a instanceof Array){if(d=d||0,de?encodeURIComponent(qa(a,b,c,d,e+1)):\"...\";return encodeURIComponent(String(a))},sa=function(a){var b=\"https://pagead2.googlesyndication.com/pagead/gen_204?id=jserror&\",c=ra(a)-27;if(0>c)return\"\";a.g.sort(function(za,Aa){return za-Aa});for(var d=null,e=\"\",k=0;k=q.length){c-=q.length;b+=q;e=a.i;break}d=null==d?g:d}}a=\"\";null!=d&&(a=e+\"trn=\"+d);return b+a},ra=function(a){var b=1,c;for(c in a.h)b=c.length>b?c.length:b;return 3997-b-a.i.length-1};var ta=function(a){if(.01>Math.random())try{if(a instanceof y)var b=a;else b=new y,ja(a,function(d,e){var k=b,g=k.o++;d=z(e,d);k.g.push(g);k.h[g]=d});var c=sa(b);c&&oa(c)}catch(d){}};var fa=function(a){var b=a.toString();a.name&&-1==b.indexOf(a.name)&&(b+=\": \"+a.name);a.message&&-1==b.indexOf(a.message)&&(b+=\": \"+a.message);if(a.stack){a=a.stack;var c=b;try{-1==a.indexOf(c)&&(a=c+\"\\n\"+a);for(var d;a!=d;)d=a,a=a.replace(RegExp(\"((https?:/..*/)[^/:]*:\\\\d+(?:.|\\n)*)\\\\2\"),\"$1\");b=a.replace(RegExp(\"\\n *\",\"g\"),\"\\n\")}catch(e){b=c}}return b};({})[3]=da(p(new n(l,\"https://s0.2mdn.net/ads/richmedia/studio/mu/templates/hifi/hifi.js\")));({})[3]=da(p(new n(l,\"https://s0.2mdn.net/ads/richmedia/studio_canary/mu/templates/hifi/hifi_canary.js\")));var ua=/^([^;]+);(\\d+);([\\s\\S]*)$/;var va=/^([a-z0-9]([a-z0-9-]{0,61}[a-z0-9])?\\.safeframe\\.googlesyndication\\.com|tpc\\.googlesyndication\\.com|secureframe\\.doubleclick\\.net|[a-z0-9]([a-z0-9-]{0,61}[a-z0-9])?\\.safeframe\\.usercontent\\.goog)$/,wa=/^(pagead2\\.googlesyndication\\.com|googleads\\.g\\.doubleclick\\.net)$/;var xa=function(a){return function(b){var c=a.hostname,d=va.test(c)||wa.test(c);c=[c];var e=r;r=void 0;if(!d){if(e)throw Error(e());if(c&&0E.length)throw Error(\"Parsed content size doesn't match. \"+D+\":\"+E.length);B={m:C[1],content:E.substr(0,D),l:E.substr(D)};var F=JSON.parse(B.l);window.name=\"\";var Ba=B.content;F.goog_safeframe_hlt&&(f.goog_safeframe_hlt=F.goog_safeframe_hlt);F._context&&(f.AMP_CONTEXT_DATA=F._context);f.sf_={v:B.m,cfg:F};document.open(\"text/html\",\"replace\");var G=xa(Ba);document.write(G instanceof u&&G.constructor===u?G.g:\"type_error:SafeHtml\");document.close();f.sf_&&(window.name=\"\")}catch(a){var v=a,H;try{var I=new y;I.g.push(1);I.h[1]=z(\"context\",507);v.error&&v.meta&&v.id||(v=new ha);if(v.msg){var Ca=v.msg.substring(0,512);I.g.push(2);I.h[2]=z(\"msg\",Ca)}var Da=[v.meta||{}];I.g.push(3);I.h[3]=Da;var J=f,K=[],L,M=null,N;do{N=J;var P;try{var Q;if(Q=!!N&&null!=N.location.href)b:{try{w(N.foo);Q=!0;break b}catch(b){}Q=!1}P=Q}catch(b){P=!1}P?(L=N.location.href,M=N.document&&N.document.referrer||null):(L=M,M=null);K.push(new na(L||\"\"));try{J=N.parent}catch(b){J=null}}while(J&&N!=J);for(var R=0,Ea=K.length-1;R<=Ea;++R)K[R].depth=Ea-R;N=f;if(N.location&&N.location.ancestorOrigins&&N.location.ancestorOrigins.length==K.length-1)for(var S=1;S-1},forIn:i,isObject:a,isEmptyObject:f,toType:o,isType:function(e,t){return e==o(t)},toRealArray:s}},function(e,t){e.exports=window},function(e,t){e.exports=document},function(e,t){e.exports=location},function(e,t,r){(function(e){!function(e,t){\"use strict\";function n(e,t){if(!e)throw new Error(t||\"Assertion failed\")}function i(e,t){e.super_=t;var r=function(){};r.prototype=t.prototype,e.prototype=new r,e.prototype.constructor=e}function o(e,t,r){if(o.isBN(e))return e;this.negative=0,this.words=null,this.length=0,this.red=null,null!==e&&(\"le\"!==t&&\"be\"!==t||(r=t,t=10),this._init(e||0,t||10,r||\"be\"))}var a;\"object\"==typeof e?e.exports=o:t.BN=o,o.BN=o,o.wordSize=26;try{a=r(164).Buffer}catch(e){}function f(e,t,r){for(var n=0,i=Math.min(e.length,r),o=t;o=49&&a<=54?a-49+10:a>=17&&a<=22?a-17+10:15&a}return n}function s(e,t,r,n){for(var i=0,o=Math.min(e.length,r),a=t;a=49?f-49+10:f>=17?f-17+10:f}return i}o.isBN=function(e){return e instanceof o||null!==e&&\"object\"==typeof e&&e.constructor.wordSize===o.wordSize&&Array.isArray(e.words)},o.max=function(e,t){return e.cmp(t)>0?e:t},o.min=function(e,t){return e.cmp(t)<0?e:t},o.prototype._init=function(e,t,r){if(\"number\"==typeof e)return this._initNumber(e,t,r);if(\"object\"==typeof e)return this._initArray(e,t,r);\"hex\"===t&&(t=16),n(t===(0|t)&&t>=2&&t<=36);var i=0;\"-\"===(e=e.toString().replace(/\\s+/g,\"\"))[0]&&i++,16===t?this._parseHex(e,i):this._parseBase(e,t,i),\"-\"===e[0]&&(this.negative=1),this.strip(),\"le\"===r&&this._initArray(this.toArray(),t,r)},o.prototype._initNumber=function(e,t,r){e<0&&(this.negative=1,e=-e),e<67108864?(this.words=[67108863&e],this.length=1):e<4503599627370496?(this.words=[67108863&e,e/67108864&67108863],this.length=2):(n(e<9007199254740992),this.words=[67108863&e,e/67108864&67108863,1],this.length=3),\"le\"===r&&this._initArray(this.toArray(),t,r)},o.prototype._initArray=function(e,t,r){if(n(\"number\"==typeof e.length),e.length<=0)return this.words=[0],this.length=1,this;this.length=Math.ceil(e.length/3),this.words=new Array(this.length);for(var i=0;i=0;i-=3)a=e[i]|e[i-1]<<8|e[i-2]<<16,this.words[o]|=a<>>26-f&67108863,(f+=24)>=26&&(f-=26,o++);else if(\"le\"===r)for(i=0,o=0;i>>26-f&67108863,(f+=24)>=26&&(f-=26,o++);return this.strip()},o.prototype._parseHex=function(e,t){this.length=Math.ceil((e.length-t)/6),this.words=new Array(this.length);for(var r=0;r=t;r-=6)i=f(e,r,r+6),this.words[n]|=i<>>26-o&4194303,(o+=24)>=26&&(o-=26,n++);r+6!==t&&(i=f(e,t,r+6),this.words[n]|=i<>>26-o&4194303),this.strip()},o.prototype._parseBase=function(e,t,r){this.words=[0],this.length=1;for(var n=0,i=1;i<=67108863;i*=t)n++;n--,i=i/t|0;for(var o=e.length-r,a=o%n,f=Math.min(o,o-a)+r,c=0,h=r;h1&&0===this.words[this.length-1];)this.length--;return this._normSign()},o.prototype._normSign=function(){return 1===this.length&&0===this.words[0]&&(this.negative=0),this},o.prototype.inspect=function(){return(this.red?\"\"};var c=[\"\",\"0\",\"00\",\"000\",\"0000\",\"00000\",\"000000\",\"0000000\",\"00000000\",\"000000000\",\"0000000000\",\"00000000000\",\"000000000000\",\"0000000000000\",\"00000000000000\",\"000000000000000\",\"0000000000000000\",\"00000000000000000\",\"000000000000000000\",\"0000000000000000000\",\"00000000000000000000\",\"000000000000000000000\",\"0000000000000000000000\",\"00000000000000000000000\",\"000000000000000000000000\",\"0000000000000000000000000\"],h=[0,0,25,16,12,11,10,9,8,8,7,7,7,7,6,6,6,6,6,6,6,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5],u=[0,0,33554432,43046721,16777216,48828125,60466176,40353607,16777216,43046721,1e7,19487171,35831808,62748517,7529536,11390625,16777216,24137569,34012224,47045881,64e6,4084101,5153632,6436343,7962624,9765625,11881376,14348907,17210368,20511149,243e5,28629151,33554432,39135393,45435424,52521875,60466176];function d(e,t,r){r.negative=t.negative^e.negative;var n=e.length+t.length|0;r.length=n,n=n-1|0;var i=0|e.words[0],o=0|t.words[0],a=i*o,f=67108863&a,s=a/67108864|0;r.words[0]=f;for(var c=1;c>>26,u=67108863&s,d=Math.min(c,t.length-1),l=Math.max(0,c-e.length+1);l<=d;l++){var p=c-l|0;h+=(a=(i=0|e.words[p])*(o=0|t.words[l])+u)/67108864|0,u=67108863&a}r.words[c]=0|u,s=0|h}return 0!==s?r.words[c]=0|s:r.length--,r.strip()}o.prototype.toString=function(e,t){var r;if(e=e||10,t=0|t||1,16===e||\"hex\"===e){r=\"\";for(var i=0,o=0,a=0;a>>24-i&16777215)||a!==this.length-1?c[6-s.length]+s+r:s+r,(i+=2)>=26&&(i-=26,a--)}for(0!==o&&(r=o.toString(16)+r);r.length%t!=0;)r=\"0\"+r;return 0!==this.negative&&(r=\"-\"+r),r}if(e===(0|e)&&e>=2&&e<=36){var d=h[e],l=u[e];r=\"\";var p=this.clone();for(p.negative=0;!p.isZero();){var b=p.modn(l).toString(e);r=(p=p.idivn(l)).isZero()?b+r:c[d-b.length]+b+r}for(this.isZero()&&(r=\"0\"+r);r.length%t!=0;)r=\"0\"+r;return 0!==this.negative&&(r=\"-\"+r),r}n(!1,\"Base should be between 2 and 36\")},o.prototype.toNumber=function(){var e=this.words[0];return 2===this.length?e+=67108864*this.words[1]:3===this.length&&1===this.words[2]?e+=4503599627370496+67108864*this.words[1]:this.length>2&&n(!1,\"Number can only safely store up to 53 bits\"),0!==this.negative?-e:e},o.prototype.toJSON=function(){return this.toString(16)},o.prototype.toBuffer=function(e,t){return n(void 0!==a),this.toArrayLike(a,e,t)},o.prototype.toArray=function(e,t){return this.toArrayLike(Array,e,t)},o.prototype.toArrayLike=function(e,t,r){var i=this.byteLength(),o=r||Math.max(1,i);n(i<=o,\"byte array longer than desired length\"),n(o>0,\"Requested array length <= 0\"),this.strip();var a,f,s=\"le\"===t,c=new e(o),h=this.clone();if(s){for(f=0;!h.isZero();f++)a=h.andln(255),h.iushrn(8),c[f]=a;for(;f=4096&&(r+=13,t>>>=13),t>=64&&(r+=7,t>>>=7),t>=8&&(r+=4,t>>>=4),t>=2&&(r+=2,t>>>=2),r+t},o.prototype._zeroBits=function(e){if(0===e)return 26;var t=e,r=0;return 0==(8191&t)&&(r+=13,t>>>=13),0==(127&t)&&(r+=7,t>>>=7),0==(15&t)&&(r+=4,t>>>=4),0==(3&t)&&(r+=2,t>>>=2),0==(1&t)&&r++,r},o.prototype.bitLength=function(){var e=this.words[this.length-1],t=this._countBits(e);return 26*(this.length-1)+t},o.prototype.zeroBits=function(){if(this.isZero())return 0;for(var e=0,t=0;te.length?this.clone().ior(e):e.clone().ior(this)},o.prototype.uor=function(e){return this.length>e.length?this.clone().iuor(e):e.clone().iuor(this)},o.prototype.iuand=function(e){var t;t=this.length>e.length?e:this;for(var r=0;re.length?this.clone().iand(e):e.clone().iand(this)},o.prototype.uand=function(e){return this.length>e.length?this.clone().iuand(e):e.clone().iuand(this)},o.prototype.iuxor=function(e){var t,r;this.length>e.length?(t=this,r=e):(t=e,r=this);for(var n=0;ne.length?this.clone().ixor(e):e.clone().ixor(this)},o.prototype.uxor=function(e){return this.length>e.length?this.clone().iuxor(e):e.clone().iuxor(this)},o.prototype.inotn=function(e){n(\"number\"==typeof e&&e>=0);var t=0|Math.ceil(e/26),r=e%26;this._expand(t),r>0&&t--;for(var i=0;i0&&(this.words[i]=~this.words[i]&67108863>>26-r),this.strip()},o.prototype.notn=function(e){return this.clone().inotn(e)},o.prototype.setn=function(e,t){n(\"number\"==typeof e&&e>=0);var r=e/26|0,i=e%26;return this._expand(r+1),this.words[r]=t?this.words[r]|1<e.length?(r=this,n=e):(r=e,n=this);for(var i=0,o=0;o>>26;for(;0!==i&&o>>26;if(this.length=r.length,0!==i)this.words[this.length]=i,this.length++;else if(r!==this)for(;oe.length?this.clone().iadd(e):e.clone().iadd(this)},o.prototype.isub=function(e){if(0!==e.negative){e.negative=0;var t=this.iadd(e);return e.negative=1,t._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(e),this.negative=1,this._normSign();var r,n,i=this.cmp(e);if(0===i)return this.negative=0,this.length=1,this.words[0]=0,this;i>0?(r=this,n=e):(r=e,n=this);for(var o=0,a=0;a>26,this.words[a]=67108863&t;for(;0!==o&&a>26,this.words[a]=67108863&t;if(0===o&&a>>13,l=0|a[1],p=8191&l,b=l>>>13,y=0|a[2],v=8191&y,g=y>>>13,m=0|a[3],_=8191&m,w=m>>>13,S=0|a[4],M=8191&S,E=S>>>13,A=0|a[5],k=8191&A,x=A>>>13,B=0|a[6],I=8191&B,R=B>>>13,P=0|a[7],T=8191&P,C=P>>>13,j=0|a[8],O=8191&j,U=j>>>13,D=0|a[9],L=8191&D,N=D>>>13,q=0|f[0],z=8191&q,K=q>>>13,F=0|f[1],H=8191&F,Y=F>>>13,W=0|f[2],V=8191&W,X=W>>>13,J=0|f[3],G=8191&J,Z=J>>>13,$=0|f[4],Q=8191&$,ee=$>>>13,te=0|f[5],re=8191&te,ne=te>>>13,ie=0|f[6],oe=8191&ie,ae=ie>>>13,fe=0|f[7],se=8191&fe,ce=fe>>>13,he=0|f[8],ue=8191&he,de=he>>>13,le=0|f[9],pe=8191&le,be=le>>>13;r.negative=e.negative^t.negative,r.length=19;var ye=(c+(n=Math.imul(u,z))|0)+((8191&(i=(i=Math.imul(u,K))+Math.imul(d,z)|0))<<13)|0;c=((o=Math.imul(d,K))+(i>>>13)|0)+(ye>>>26)|0,ye&=67108863,n=Math.imul(p,z),i=(i=Math.imul(p,K))+Math.imul(b,z)|0,o=Math.imul(b,K);var ve=(c+(n=n+Math.imul(u,H)|0)|0)+((8191&(i=(i=i+Math.imul(u,Y)|0)+Math.imul(d,H)|0))<<13)|0;c=((o=o+Math.imul(d,Y)|0)+(i>>>13)|0)+(ve>>>26)|0,ve&=67108863,n=Math.imul(v,z),i=(i=Math.imul(v,K))+Math.imul(g,z)|0,o=Math.imul(g,K),n=n+Math.imul(p,H)|0,i=(i=i+Math.imul(p,Y)|0)+Math.imul(b,H)|0,o=o+Math.imul(b,Y)|0;var ge=(c+(n=n+Math.imul(u,V)|0)|0)+((8191&(i=(i=i+Math.imul(u,X)|0)+Math.imul(d,V)|0))<<13)|0;c=((o=o+Math.imul(d,X)|0)+(i>>>13)|0)+(ge>>>26)|0,ge&=67108863,n=Math.imul(_,z),i=(i=Math.imul(_,K))+Math.imul(w,z)|0,o=Math.imul(w,K),n=n+Math.imul(v,H)|0,i=(i=i+Math.imul(v,Y)|0)+Math.imul(g,H)|0,o=o+Math.imul(g,Y)|0,n=n+Math.imul(p,V)|0,i=(i=i+Math.imul(p,X)|0)+Math.imul(b,V)|0,o=o+Math.imul(b,X)|0;var me=(c+(n=n+Math.imul(u,G)|0)|0)+((8191&(i=(i=i+Math.imul(u,Z)|0)+Math.imul(d,G)|0))<<13)|0;c=((o=o+Math.imul(d,Z)|0)+(i>>>13)|0)+(me>>>26)|0,me&=67108863,n=Math.imul(M,z),i=(i=Math.imul(M,K))+Math.imul(E,z)|0,o=Math.imul(E,K),n=n+Math.imul(_,H)|0,i=(i=i+Math.imul(_,Y)|0)+Math.imul(w,H)|0,o=o+Math.imul(w,Y)|0,n=n+Math.imul(v,V)|0,i=(i=i+Math.imul(v,X)|0)+Math.imul(g,V)|0,o=o+Math.imul(g,X)|0,n=n+Math.imul(p,G)|0,i=(i=i+Math.imul(p,Z)|0)+Math.imul(b,G)|0,o=o+Math.imul(b,Z)|0;var _e=(c+(n=n+Math.imul(u,Q)|0)|0)+((8191&(i=(i=i+Math.imul(u,ee)|0)+Math.imul(d,Q)|0))<<13)|0;c=((o=o+Math.imul(d,ee)|0)+(i>>>13)|0)+(_e>>>26)|0,_e&=67108863,n=Math.imul(k,z),i=(i=Math.imul(k,K))+Math.imul(x,z)|0,o=Math.imul(x,K),n=n+Math.imul(M,H)|0,i=(i=i+Math.imul(M,Y)|0)+Math.imul(E,H)|0,o=o+Math.imul(E,Y)|0,n=n+Math.imul(_,V)|0,i=(i=i+Math.imul(_,X)|0)+Math.imul(w,V)|0,o=o+Math.imul(w,X)|0,n=n+Math.imul(v,G)|0,i=(i=i+Math.imul(v,Z)|0)+Math.imul(g,G)|0,o=o+Math.imul(g,Z)|0,n=n+Math.imul(p,Q)|0,i=(i=i+Math.imul(p,ee)|0)+Math.imul(b,Q)|0,o=o+Math.imul(b,ee)|0;var we=(c+(n=n+Math.imul(u,re)|0)|0)+((8191&(i=(i=i+Math.imul(u,ne)|0)+Math.imul(d,re)|0))<<13)|0;c=((o=o+Math.imul(d,ne)|0)+(i>>>13)|0)+(we>>>26)|0,we&=67108863,n=Math.imul(I,z),i=(i=Math.imul(I,K))+Math.imul(R,z)|0,o=Math.imul(R,K),n=n+Math.imul(k,H)|0,i=(i=i+Math.imul(k,Y)|0)+Math.imul(x,H)|0,o=o+Math.imul(x,Y)|0,n=n+Math.imul(M,V)|0,i=(i=i+Math.imul(M,X)|0)+Math.imul(E,V)|0,o=o+Math.imul(E,X)|0,n=n+Math.imul(_,G)|0,i=(i=i+Math.imul(_,Z)|0)+Math.imul(w,G)|0,o=o+Math.imul(w,Z)|0,n=n+Math.imul(v,Q)|0,i=(i=i+Math.imul(v,ee)|0)+Math.imul(g,Q)|0,o=o+Math.imul(g,ee)|0,n=n+Math.imul(p,re)|0,i=(i=i+Math.imul(p,ne)|0)+Math.imul(b,re)|0,o=o+Math.imul(b,ne)|0;var Se=(c+(n=n+Math.imul(u,oe)|0)|0)+((8191&(i=(i=i+Math.imul(u,ae)|0)+Math.imul(d,oe)|0))<<13)|0;c=((o=o+Math.imul(d,ae)|0)+(i>>>13)|0)+(Se>>>26)|0,Se&=67108863,n=Math.imul(T,z),i=(i=Math.imul(T,K))+Math.imul(C,z)|0,o=Math.imul(C,K),n=n+Math.imul(I,H)|0,i=(i=i+Math.imul(I,Y)|0)+Math.imul(R,H)|0,o=o+Math.imul(R,Y)|0,n=n+Math.imul(k,V)|0,i=(i=i+Math.imul(k,X)|0)+Math.imul(x,V)|0,o=o+Math.imul(x,X)|0,n=n+Math.imul(M,G)|0,i=(i=i+Math.imul(M,Z)|0)+Math.imul(E,G)|0,o=o+Math.imul(E,Z)|0,n=n+Math.imul(_,Q)|0,i=(i=i+Math.imul(_,ee)|0)+Math.imul(w,Q)|0,o=o+Math.imul(w,ee)|0,n=n+Math.imul(v,re)|0,i=(i=i+Math.imul(v,ne)|0)+Math.imul(g,re)|0,o=o+Math.imul(g,ne)|0,n=n+Math.imul(p,oe)|0,i=(i=i+Math.imul(p,ae)|0)+Math.imul(b,oe)|0,o=o+Math.imul(b,ae)|0;var Me=(c+(n=n+Math.imul(u,se)|0)|0)+((8191&(i=(i=i+Math.imul(u,ce)|0)+Math.imul(d,se)|0))<<13)|0;c=((o=o+Math.imul(d,ce)|0)+(i>>>13)|0)+(Me>>>26)|0,Me&=67108863,n=Math.imul(O,z),i=(i=Math.imul(O,K))+Math.imul(U,z)|0,o=Math.imul(U,K),n=n+Math.imul(T,H)|0,i=(i=i+Math.imul(T,Y)|0)+Math.imul(C,H)|0,o=o+Math.imul(C,Y)|0,n=n+Math.imul(I,V)|0,i=(i=i+Math.imul(I,X)|0)+Math.imul(R,V)|0,o=o+Math.imul(R,X)|0,n=n+Math.imul(k,G)|0,i=(i=i+Math.imul(k,Z)|0)+Math.imul(x,G)|0,o=o+Math.imul(x,Z)|0,n=n+Math.imul(M,Q)|0,i=(i=i+Math.imul(M,ee)|0)+Math.imul(E,Q)|0,o=o+Math.imul(E,ee)|0,n=n+Math.imul(_,re)|0,i=(i=i+Math.imul(_,ne)|0)+Math.imul(w,re)|0,o=o+Math.imul(w,ne)|0,n=n+Math.imul(v,oe)|0,i=(i=i+Math.imul(v,ae)|0)+Math.imul(g,oe)|0,o=o+Math.imul(g,ae)|0,n=n+Math.imul(p,se)|0,i=(i=i+Math.imul(p,ce)|0)+Math.imul(b,se)|0,o=o+Math.imul(b,ce)|0;var Ee=(c+(n=n+Math.imul(u,ue)|0)|0)+((8191&(i=(i=i+Math.imul(u,de)|0)+Math.imul(d,ue)|0))<<13)|0;c=((o=o+Math.imul(d,de)|0)+(i>>>13)|0)+(Ee>>>26)|0,Ee&=67108863,n=Math.imul(L,z),i=(i=Math.imul(L,K))+Math.imul(N,z)|0,o=Math.imul(N,K),n=n+Math.imul(O,H)|0,i=(i=i+Math.imul(O,Y)|0)+Math.imul(U,H)|0,o=o+Math.imul(U,Y)|0,n=n+Math.imul(T,V)|0,i=(i=i+Math.imul(T,X)|0)+Math.imul(C,V)|0,o=o+Math.imul(C,X)|0,n=n+Math.imul(I,G)|0,i=(i=i+Math.imul(I,Z)|0)+Math.imul(R,G)|0,o=o+Math.imul(R,Z)|0,n=n+Math.imul(k,Q)|0,i=(i=i+Math.imul(k,ee)|0)+Math.imul(x,Q)|0,o=o+Math.imul(x,ee)|0,n=n+Math.imul(M,re)|0,i=(i=i+Math.imul(M,ne)|0)+Math.imul(E,re)|0,o=o+Math.imul(E,ne)|0,n=n+Math.imul(_,oe)|0,i=(i=i+Math.imul(_,ae)|0)+Math.imul(w,oe)|0,o=o+Math.imul(w,ae)|0,n=n+Math.imul(v,se)|0,i=(i=i+Math.imul(v,ce)|0)+Math.imul(g,se)|0,o=o+Math.imul(g,ce)|0,n=n+Math.imul(p,ue)|0,i=(i=i+Math.imul(p,de)|0)+Math.imul(b,ue)|0,o=o+Math.imul(b,de)|0;var Ae=(c+(n=n+Math.imul(u,pe)|0)|0)+((8191&(i=(i=i+Math.imul(u,be)|0)+Math.imul(d,pe)|0))<<13)|0;c=((o=o+Math.imul(d,be)|0)+(i>>>13)|0)+(Ae>>>26)|0,Ae&=67108863,n=Math.imul(L,H),i=(i=Math.imul(L,Y))+Math.imul(N,H)|0,o=Math.imul(N,Y),n=n+Math.imul(O,V)|0,i=(i=i+Math.imul(O,X)|0)+Math.imul(U,V)|0,o=o+Math.imul(U,X)|0,n=n+Math.imul(T,G)|0,i=(i=i+Math.imul(T,Z)|0)+Math.imul(C,G)|0,o=o+Math.imul(C,Z)|0,n=n+Math.imul(I,Q)|0,i=(i=i+Math.imul(I,ee)|0)+Math.imul(R,Q)|0,o=o+Math.imul(R,ee)|0,n=n+Math.imul(k,re)|0,i=(i=i+Math.imul(k,ne)|0)+Math.imul(x,re)|0,o=o+Math.imul(x,ne)|0,n=n+Math.imul(M,oe)|0,i=(i=i+Math.imul(M,ae)|0)+Math.imul(E,oe)|0,o=o+Math.imul(E,ae)|0,n=n+Math.imul(_,se)|0,i=(i=i+Math.imul(_,ce)|0)+Math.imul(w,se)|0,o=o+Math.imul(w,ce)|0,n=n+Math.imul(v,ue)|0,i=(i=i+Math.imul(v,de)|0)+Math.imul(g,ue)|0,o=o+Math.imul(g,de)|0;var ke=(c+(n=n+Math.imul(p,pe)|0)|0)+((8191&(i=(i=i+Math.imul(p,be)|0)+Math.imul(b,pe)|0))<<13)|0;c=((o=o+Math.imul(b,be)|0)+(i>>>13)|0)+(ke>>>26)|0,ke&=67108863,n=Math.imul(L,V),i=(i=Math.imul(L,X))+Math.imul(N,V)|0,o=Math.imul(N,X),n=n+Math.imul(O,G)|0,i=(i=i+Math.imul(O,Z)|0)+Math.imul(U,G)|0,o=o+Math.imul(U,Z)|0,n=n+Math.imul(T,Q)|0,i=(i=i+Math.imul(T,ee)|0)+Math.imul(C,Q)|0,o=o+Math.imul(C,ee)|0,n=n+Math.imul(I,re)|0,i=(i=i+Math.imul(I,ne)|0)+Math.imul(R,re)|0,o=o+Math.imul(R,ne)|0,n=n+Math.imul(k,oe)|0,i=(i=i+Math.imul(k,ae)|0)+Math.imul(x,oe)|0,o=o+Math.imul(x,ae)|0,n=n+Math.imul(M,se)|0,i=(i=i+Math.imul(M,ce)|0)+Math.imul(E,se)|0,o=o+Math.imul(E,ce)|0,n=n+Math.imul(_,ue)|0,i=(i=i+Math.imul(_,de)|0)+Math.imul(w,ue)|0,o=o+Math.imul(w,de)|0;var xe=(c+(n=n+Math.imul(v,pe)|0)|0)+((8191&(i=(i=i+Math.imul(v,be)|0)+Math.imul(g,pe)|0))<<13)|0;c=((o=o+Math.imul(g,be)|0)+(i>>>13)|0)+(xe>>>26)|0,xe&=67108863,n=Math.imul(L,G),i=(i=Math.imul(L,Z))+Math.imul(N,G)|0,o=Math.imul(N,Z),n=n+Math.imul(O,Q)|0,i=(i=i+Math.imul(O,ee)|0)+Math.imul(U,Q)|0,o=o+Math.imul(U,ee)|0,n=n+Math.imul(T,re)|0,i=(i=i+Math.imul(T,ne)|0)+Math.imul(C,re)|0,o=o+Math.imul(C,ne)|0,n=n+Math.imul(I,oe)|0,i=(i=i+Math.imul(I,ae)|0)+Math.imul(R,oe)|0,o=o+Math.imul(R,ae)|0,n=n+Math.imul(k,se)|0,i=(i=i+Math.imul(k,ce)|0)+Math.imul(x,se)|0,o=o+Math.imul(x,ce)|0,n=n+Math.imul(M,ue)|0,i=(i=i+Math.imul(M,de)|0)+Math.imul(E,ue)|0,o=o+Math.imul(E,de)|0;var Be=(c+(n=n+Math.imul(_,pe)|0)|0)+((8191&(i=(i=i+Math.imul(_,be)|0)+Math.imul(w,pe)|0))<<13)|0;c=((o=o+Math.imul(w,be)|0)+(i>>>13)|0)+(Be>>>26)|0,Be&=67108863,n=Math.imul(L,Q),i=(i=Math.imul(L,ee))+Math.imul(N,Q)|0,o=Math.imul(N,ee),n=n+Math.imul(O,re)|0,i=(i=i+Math.imul(O,ne)|0)+Math.imul(U,re)|0,o=o+Math.imul(U,ne)|0,n=n+Math.imul(T,oe)|0,i=(i=i+Math.imul(T,ae)|0)+Math.imul(C,oe)|0,o=o+Math.imul(C,ae)|0,n=n+Math.imul(I,se)|0,i=(i=i+Math.imul(I,ce)|0)+Math.imul(R,se)|0,o=o+Math.imul(R,ce)|0,n=n+Math.imul(k,ue)|0,i=(i=i+Math.imul(k,de)|0)+Math.imul(x,ue)|0,o=o+Math.imul(x,de)|0;var Ie=(c+(n=n+Math.imul(M,pe)|0)|0)+((8191&(i=(i=i+Math.imul(M,be)|0)+Math.imul(E,pe)|0))<<13)|0;c=((o=o+Math.imul(E,be)|0)+(i>>>13)|0)+(Ie>>>26)|0,Ie&=67108863,n=Math.imul(L,re),i=(i=Math.imul(L,ne))+Math.imul(N,re)|0,o=Math.imul(N,ne),n=n+Math.imul(O,oe)|0,i=(i=i+Math.imul(O,ae)|0)+Math.imul(U,oe)|0,o=o+Math.imul(U,ae)|0,n=n+Math.imul(T,se)|0,i=(i=i+Math.imul(T,ce)|0)+Math.imul(C,se)|0,o=o+Math.imul(C,ce)|0,n=n+Math.imul(I,ue)|0,i=(i=i+Math.imul(I,de)|0)+Math.imul(R,ue)|0,o=o+Math.imul(R,de)|0;var Re=(c+(n=n+Math.imul(k,pe)|0)|0)+((8191&(i=(i=i+Math.imul(k,be)|0)+Math.imul(x,pe)|0))<<13)|0;c=((o=o+Math.imul(x,be)|0)+(i>>>13)|0)+(Re>>>26)|0,Re&=67108863,n=Math.imul(L,oe),i=(i=Math.imul(L,ae))+Math.imul(N,oe)|0,o=Math.imul(N,ae),n=n+Math.imul(O,se)|0,i=(i=i+Math.imul(O,ce)|0)+Math.imul(U,se)|0,o=o+Math.imul(U,ce)|0,n=n+Math.imul(T,ue)|0,i=(i=i+Math.imul(T,de)|0)+Math.imul(C,ue)|0,o=o+Math.imul(C,de)|0;var Pe=(c+(n=n+Math.imul(I,pe)|0)|0)+((8191&(i=(i=i+Math.imul(I,be)|0)+Math.imul(R,pe)|0))<<13)|0;c=((o=o+Math.imul(R,be)|0)+(i>>>13)|0)+(Pe>>>26)|0,Pe&=67108863,n=Math.imul(L,se),i=(i=Math.imul(L,ce))+Math.imul(N,se)|0,o=Math.imul(N,ce),n=n+Math.imul(O,ue)|0,i=(i=i+Math.imul(O,de)|0)+Math.imul(U,ue)|0,o=o+Math.imul(U,de)|0;var Te=(c+(n=n+Math.imul(T,pe)|0)|0)+((8191&(i=(i=i+Math.imul(T,be)|0)+Math.imul(C,pe)|0))<<13)|0;c=((o=o+Math.imul(C,be)|0)+(i>>>13)|0)+(Te>>>26)|0,Te&=67108863,n=Math.imul(L,ue),i=(i=Math.imul(L,de))+Math.imul(N,ue)|0,o=Math.imul(N,de);var Ce=(c+(n=n+Math.imul(O,pe)|0)|0)+((8191&(i=(i=i+Math.imul(O,be)|0)+Math.imul(U,pe)|0))<<13)|0;c=((o=o+Math.imul(U,be)|0)+(i>>>13)|0)+(Ce>>>26)|0,Ce&=67108863;var je=(c+(n=Math.imul(L,pe))|0)+((8191&(i=(i=Math.imul(L,be))+Math.imul(N,pe)|0))<<13)|0;return c=((o=Math.imul(N,be))+(i>>>13)|0)+(je>>>26)|0,je&=67108863,s[0]=ye,s[1]=ve,s[2]=ge,s[3]=me,s[4]=_e,s[5]=we,s[6]=Se,s[7]=Me,s[8]=Ee,s[9]=Ae,s[10]=ke,s[11]=xe,s[12]=Be,s[13]=Ie,s[14]=Re,s[15]=Pe,s[16]=Te,s[17]=Ce,s[18]=je,0!==c&&(s[19]=c,r.length++),r};function p(e,t,r){return(new b).mulp(e,t,r)}function b(e,t){this.x=e,this.y=t}Math.imul||(l=d),o.prototype.mulTo=function(e,t){var r=this.length+e.length;return 10===this.length&&10===e.length?l(this,e,t):r<63?d(this,e,t):r<1024?function(e,t,r){r.negative=t.negative^e.negative,r.length=e.length+t.length;for(var n=0,i=0,o=0;o>>26)|0)>>>26,a&=67108863}r.words[o]=f,n=a,a=i}return 0!==n?r.words[o]=n:r.length--,r.strip()}(this,e,t):p(this,e,t)},b.prototype.makeRBT=function(e){for(var t=new Array(e),r=o.prototype._countBits(e)-1,n=0;n>=1;return n},b.prototype.permute=function(e,t,r,n,i,o){for(var a=0;a>>=1)i++;return 1<>>=13,r[2*a+1]=8191&o,o>>>=13;for(a=2*t;a>=26,t+=i/67108864|0,t+=o>>>26,this.words[r]=67108863&o}return 0!==t&&(this.words[r]=t,this.length++),this},o.prototype.muln=function(e){return this.clone().imuln(e)},o.prototype.sqr=function(){return this.mul(this)},o.prototype.isqr=function(){return this.imul(this.clone())},o.prototype.pow=function(e){var t=function(e){for(var t=new Array(e.bitLength()),r=0;r>>i}return t}(e);if(0===t.length)return new o(1);for(var r=this,n=0;n=0);var t,r=e%26,i=(e-r)/26,o=67108863>>>26-r<<26-r;if(0!==r){var a=0;for(t=0;t>>26-r}a&&(this.words[t]=a,this.length++)}if(0!==i){for(t=this.length-1;t>=0;t--)this.words[t+i]=this.words[t];for(t=0;t=0),i=t?(t-t%26)/26:0;var o=e%26,a=Math.min((e-o)/26,this.length),f=67108863^67108863>>>o<a)for(this.length-=a,c=0;c=0&&(0!==h||c>=i);c--){var u=0|this.words[c];this.words[c]=h<<26-o|u>>>o,h=u&f}return s&&0!==h&&(s.words[s.length++]=h),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},o.prototype.ishrn=function(e,t,r){return n(0===this.negative),this.iushrn(e,t,r)},o.prototype.shln=function(e){return this.clone().ishln(e)},o.prototype.ushln=function(e){return this.clone().iushln(e)},o.prototype.shrn=function(e){return this.clone().ishrn(e)},o.prototype.ushrn=function(e){return this.clone().iushrn(e)},o.prototype.testn=function(e){n(\"number\"==typeof e&&e>=0);var t=e%26,r=(e-t)/26,i=1<=0);var t=e%26,r=(e-t)/26;if(n(0===this.negative,\"imaskn works only with positive numbers\"),this.length<=r)return this;if(0!==t&&r++,this.length=Math.min(r,this.length),0!==t){var i=67108863^67108863>>>t<=67108864;t++)this.words[t]-=67108864,t===this.length-1?this.words[t+1]=1:this.words[t+1]++;return this.length=Math.max(this.length,t+1),this},o.prototype.isubn=function(e){if(n(\"number\"==typeof e),n(e<67108864),e<0)return this.iaddn(-e);if(0!==this.negative)return this.negative=0,this.iaddn(e),this.negative=1,this;if(this.words[0]-=e,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var t=0;t>26)-(s/67108864|0),this.words[i+r]=67108863&o}for(;i>26,this.words[i+r]=67108863&o;if(0===f)return this.strip();for(n(-1===f),f=0,i=0;i>26,this.words[i]=67108863&o;return this.negative=1,this.strip()},o.prototype._wordDiv=function(e,t){var r=(this.length,e.length),n=this.clone(),i=e,a=0|i.words[i.length-1];0!==(r=26-this._countBits(a))&&(i=i.ushln(r),n.iushln(r),a=0|i.words[i.length-1]);var f,s=n.length-i.length;if(\"mod\"!==t){(f=new o(null)).length=s+1,f.words=new Array(f.length);for(var c=0;c=0;u--){var d=67108864*(0|n.words[i.length+u])+(0|n.words[i.length+u-1]);for(d=Math.min(d/a|0,67108863),n._ishlnsubmul(i,d,u);0!==n.negative;)d--,n.negative=0,n._ishlnsubmul(i,1,u),n.isZero()||(n.negative^=1);f&&(f.words[u]=d)}return f&&f.strip(),n.strip(),\"div\"!==t&&0!==r&&n.iushrn(r),{div:f||null,mod:n}},o.prototype.divmod=function(e,t,r){return n(!e.isZero()),this.isZero()?{div:new o(0),mod:new o(0)}:0!==this.negative&&0===e.negative?(f=this.neg().divmod(e,t),\"mod\"!==t&&(i=f.div.neg()),\"div\"!==t&&(a=f.mod.neg(),r&&0!==a.negative&&a.iadd(e)),{div:i,mod:a}):0===this.negative&&0!==e.negative?(f=this.divmod(e.neg(),t),\"mod\"!==t&&(i=f.div.neg()),{div:i,mod:f.mod}):0!=(this.negative&e.negative)?(f=this.neg().divmod(e.neg(),t),\"div\"!==t&&(a=f.mod.neg(),r&&0!==a.negative&&a.isub(e)),{div:f.div,mod:a}):e.length>this.length||this.cmp(e)<0?{div:new o(0),mod:this}:1===e.length?\"div\"===t?{div:this.divn(e.words[0]),mod:null}:\"mod\"===t?{div:null,mod:new o(this.modn(e.words[0]))}:{div:this.divn(e.words[0]),mod:new o(this.modn(e.words[0]))}:this._wordDiv(e,t);var i,a,f},o.prototype.div=function(e){return this.divmod(e,\"div\",!1).div},o.prototype.mod=function(e){return this.divmod(e,\"mod\",!1).mod},o.prototype.umod=function(e){return this.divmod(e,\"mod\",!0).mod},o.prototype.divRound=function(e){var t=this.divmod(e);if(t.mod.isZero())return t.div;var r=0!==t.div.negative?t.mod.isub(e):t.mod,n=e.ushrn(1),i=e.andln(1),o=r.cmp(n);return o<0||1===i&&0===o?t.div:0!==t.div.negative?t.div.isubn(1):t.div.iaddn(1)},o.prototype.modn=function(e){n(e<=67108863);for(var t=(1<<26)%e,r=0,i=this.length-1;i>=0;i--)r=(t*r+(0|this.words[i]))%e;return r},o.prototype.idivn=function(e){n(e<=67108863);for(var t=0,r=this.length-1;r>=0;r--){var i=(0|this.words[r])+67108864*t;this.words[r]=i/e|0,t=i%e}return this.strip()},o.prototype.divn=function(e){return this.clone().idivn(e)},o.prototype.egcd=function(e){n(0===e.negative),n(!e.isZero());var t=this,r=e.clone();t=0!==t.negative?t.umod(e):t.clone();for(var i=new o(1),a=new o(0),f=new o(0),s=new o(1),c=0;t.isEven()&&r.isEven();)t.iushrn(1),r.iushrn(1),++c;for(var h=r.clone(),u=t.clone();!t.isZero();){for(var d=0,l=1;0==(t.words[0]&l)&&d<26;++d,l<<=1);if(d>0)for(t.iushrn(d);d-- >0;)(i.isOdd()||a.isOdd())&&(i.iadd(h),a.isub(u)),i.iushrn(1),a.iushrn(1);for(var p=0,b=1;0==(r.words[0]&b)&&p<26;++p,b<<=1);if(p>0)for(r.iushrn(p);p-- >0;)(f.isOdd()||s.isOdd())&&(f.iadd(h),s.isub(u)),f.iushrn(1),s.iushrn(1);t.cmp(r)>=0?(t.isub(r),i.isub(f),a.isub(s)):(r.isub(t),f.isub(i),s.isub(a))}return{a:f,b:s,gcd:r.iushln(c)}},o.prototype._invmp=function(e){n(0===e.negative),n(!e.isZero());var t=this,r=e.clone();t=0!==t.negative?t.umod(e):t.clone();for(var i,a=new o(1),f=new o(0),s=r.clone();t.cmpn(1)>0&&r.cmpn(1)>0;){for(var c=0,h=1;0==(t.words[0]&h)&&c<26;++c,h<<=1);if(c>0)for(t.iushrn(c);c-- >0;)a.isOdd()&&a.iadd(s),a.iushrn(1);for(var u=0,d=1;0==(r.words[0]&d)&&u<26;++u,d<<=1);if(u>0)for(r.iushrn(u);u-- >0;)f.isOdd()&&f.iadd(s),f.iushrn(1);t.cmp(r)>=0?(t.isub(r),a.isub(f)):(r.isub(t),f.isub(a))}return(i=0===t.cmpn(1)?a:f).cmpn(0)<0&&i.iadd(e),i},o.prototype.gcd=function(e){if(this.isZero())return e.abs();if(e.isZero())return this.abs();var t=this.clone(),r=e.clone();t.negative=0,r.negative=0;for(var n=0;t.isEven()&&r.isEven();n++)t.iushrn(1),r.iushrn(1);for(;;){for(;t.isEven();)t.iushrn(1);for(;r.isEven();)r.iushrn(1);var i=t.cmp(r);if(i<0){var o=t;t=r,r=o}else if(0===i||0===r.cmpn(1))break;t.isub(r)}return r.iushln(n)},o.prototype.invm=function(e){return this.egcd(e).a.umod(e)},o.prototype.isEven=function(){return 0==(1&this.words[0])},o.prototype.isOdd=function(){return 1==(1&this.words[0])},o.prototype.andln=function(e){return this.words[0]&e},o.prototype.bincn=function(e){n(\"number\"==typeof e);var t=e%26,r=(e-t)/26,i=1<>>26,f&=67108863,this.words[a]=f}return 0!==o&&(this.words[a]=o,this.length++),this},o.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},o.prototype.cmpn=function(e){var t,r=e<0;if(0!==this.negative&&!r)return-1;if(0===this.negative&&r)return 1;if(this.strip(),this.length>1)t=1;else{r&&(e=-e),n(e<=67108863,\"Number is too big\");var i=0|this.words[0];t=i===e?0:ie.length)return 1;if(this.length=0;r--){var n=0|this.words[r],i=0|e.words[r];if(n!==i){ni&&(t=1);break}}return t},o.prototype.gtn=function(e){return 1===this.cmpn(e)},o.prototype.gt=function(e){return 1===this.cmp(e)},o.prototype.gten=function(e){return this.cmpn(e)>=0},o.prototype.gte=function(e){return this.cmp(e)>=0},o.prototype.ltn=function(e){return-1===this.cmpn(e)},o.prototype.lt=function(e){return-1===this.cmp(e)},o.prototype.lten=function(e){return this.cmpn(e)<=0},o.prototype.lte=function(e){return this.cmp(e)<=0},o.prototype.eqn=function(e){return 0===this.cmpn(e)},o.prototype.eq=function(e){return 0===this.cmp(e)},o.red=function(e){return new S(e)},o.prototype.toRed=function(e){return n(!this.red,\"Already a number in reduction context\"),n(0===this.negative,\"red works only with positives\"),e.convertTo(this)._forceRed(e)},o.prototype.fromRed=function(){return n(this.red,\"fromRed works only with numbers in reduction context\"),this.red.convertFrom(this)},o.prototype._forceRed=function(e){return this.red=e,this},o.prototype.forceRed=function(e){return n(!this.red,\"Already a number in reduction context\"),this._forceRed(e)},o.prototype.redAdd=function(e){return n(this.red,\"redAdd works only with red numbers\"),this.red.add(this,e)},o.prototype.redIAdd=function(e){return n(this.red,\"redIAdd works only with red numbers\"),this.red.iadd(this,e)},o.prototype.redSub=function(e){return n(this.red,\"redSub works only with red numbers\"),this.red.sub(this,e)},o.prototype.redISub=function(e){return n(this.red,\"redISub works only with red numbers\"),this.red.isub(this,e)},o.prototype.redShl=function(e){return n(this.red,\"redShl works only with red numbers\"),this.red.shl(this,e)},o.prototype.redMul=function(e){return n(this.red,\"redMul works only with red numbers\"),this.red._verify2(this,e),this.red.mul(this,e)},o.prototype.redIMul=function(e){return n(this.red,\"redMul works only with red numbers\"),this.red._verify2(this,e),this.red.imul(this,e)},o.prototype.redSqr=function(){return n(this.red,\"redSqr works only with red numbers\"),this.red._verify1(this),this.red.sqr(this)},o.prototype.redISqr=function(){return n(this.red,\"redISqr works only with red numbers\"),this.red._verify1(this),this.red.isqr(this)},o.prototype.redSqrt=function(){return n(this.red,\"redSqrt works only with red numbers\"),this.red._verify1(this),this.red.sqrt(this)},o.prototype.redInvm=function(){return n(this.red,\"redInvm works only with red numbers\"),this.red._verify1(this),this.red.invm(this)},o.prototype.redNeg=function(){return n(this.red,\"redNeg works only with red numbers\"),this.red._verify1(this),this.red.neg(this)},o.prototype.redPow=function(e){return n(this.red&&!e.red,\"redPow(normalNum)\"),this.red._verify1(this),this.red.pow(this,e)};var y={k256:null,p224:null,p192:null,p25519:null};function v(e,t){this.name=e,this.p=new o(t,16),this.n=this.p.bitLength(),this.k=new o(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}function g(){v.call(this,\"k256\",\"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f\")}function m(){v.call(this,\"p224\",\"ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001\")}function _(){v.call(this,\"p192\",\"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff\")}function w(){v.call(this,\"25519\",\"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed\")}function S(e){if(\"string\"==typeof e){var t=o._prime(e);this.m=t.p,this.prime=t}else n(e.gtn(1),\"modulus must be greater than 1\"),this.m=e,this.prime=null}function M(e){S.call(this,e),this.shift=this.m.bitLength(),this.shift%26!=0&&(this.shift+=26-this.shift%26),this.r=new o(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}v.prototype._tmp=function(){var e=new o(null);return e.words=new Array(Math.ceil(this.n/13)),e},v.prototype.ireduce=function(e){var t,r=e;do{this.split(r,this.tmp),t=(r=(r=this.imulK(r)).iadd(this.tmp)).bitLength()}while(t>this.n);var n=t0?r.isub(this.p):r.strip(),r},v.prototype.split=function(e,t){e.iushrn(this.n,0,t)},v.prototype.imulK=function(e){return e.imul(this.k)},i(g,v),g.prototype.split=function(e,t){for(var r=Math.min(e.length,9),n=0;n>>22,i=o}i>>>=22,e.words[n-10]=i,0===i&&e.length>10?e.length-=10:e.length-=9},g.prototype.imulK=function(e){e.words[e.length]=0,e.words[e.length+1]=0,e.length+=2;for(var t=0,r=0;r>>=26,e.words[r]=i,t=n}return 0!==t&&(e.words[e.length++]=t),e},o._prime=function(e){if(y[e])return y[e];var t;if(\"k256\"===e)t=new g;else if(\"p224\"===e)t=new m;else if(\"p192\"===e)t=new _;else{if(\"p25519\"!==e)throw new Error(\"Unknown prime \"+e);t=new w}return y[e]=t,t},S.prototype._verify1=function(e){n(0===e.negative,\"red works only with positives\"),n(e.red,\"red works only with red numbers\")},S.prototype._verify2=function(e,t){n(0==(e.negative|t.negative),\"red works only with positives\"),n(e.red&&e.red===t.red,\"red works only with red numbers\")},S.prototype.imod=function(e){return this.prime?this.prime.ireduce(e)._forceRed(this):e.umod(this.m)._forceRed(this)},S.prototype.neg=function(e){return e.isZero()?e.clone():this.m.sub(e)._forceRed(this)},S.prototype.add=function(e,t){this._verify2(e,t);var r=e.add(t);return r.cmp(this.m)>=0&&r.isub(this.m),r._forceRed(this)},S.prototype.iadd=function(e,t){this._verify2(e,t);var r=e.iadd(t);return r.cmp(this.m)>=0&&r.isub(this.m),r},S.prototype.sub=function(e,t){this._verify2(e,t);var r=e.sub(t);return r.cmpn(0)<0&&r.iadd(this.m),r._forceRed(this)},S.prototype.isub=function(e,t){this._verify2(e,t);var r=e.isub(t);return r.cmpn(0)<0&&r.iadd(this.m),r},S.prototype.shl=function(e,t){return this._verify1(e),this.imod(e.ushln(t))},S.prototype.imul=function(e,t){return this._verify2(e,t),this.imod(e.imul(t))},S.prototype.mul=function(e,t){return this._verify2(e,t),this.imod(e.mul(t))},S.prototype.isqr=function(e){return this.imul(e,e.clone())},S.prototype.sqr=function(e){return this.mul(e,e)},S.prototype.sqrt=function(e){if(e.isZero())return e.clone();var t=this.m.andln(3);if(n(t%2==1),3===t){var r=this.m.add(new o(1)).iushrn(2);return this.pow(e,r)}for(var i=this.m.subn(1),a=0;!i.isZero()&&0===i.andln(1);)a++,i.iushrn(1);n(!i.isZero());var f=new o(1).toRed(this),s=f.redNeg(),c=this.m.subn(1).iushrn(1),h=this.m.bitLength();for(h=new o(2*h*h).toRed(this);0!==this.pow(h,c).cmp(s);)h.redIAdd(s);for(var u=this.pow(h,i),d=this.pow(e,i.addn(1).iushrn(1)),l=this.pow(e,i),p=a;0!==l.cmp(f);){for(var b=l,y=0;0!==b.cmp(f);y++)b=b.redSqr();n(y=0;n--){for(var c=t.words[n],h=s-1;h>=0;h--){var u=c>>h&1;i!==r[0]&&(i=this.sqr(i)),0!==u||0!==a?(a<<=1,a|=u,(4===++f||0===n&&0===h)&&(i=this.mul(i,r[a]),f=0,a=0)):f=0}s=26}return i},S.prototype.convertTo=function(e){var t=e.umod(this.m);return t===e?t.clone():t},S.prototype.convertFrom=function(e){var t=e.clone();return t.red=null,t},o.mont=function(e){return new M(e)},i(M,S),M.prototype.convertTo=function(e){return this.imod(e.ushln(this.shift))},M.prototype.convertFrom=function(e){var t=this.imod(e.mul(this.rinv));return t.red=null,t},M.prototype.imul=function(e,t){if(e.isZero()||t.isZero())return e.words[0]=0,e.length=1,e;var r=e.imul(t),n=r.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),i=r.isub(n).iushrn(this.shift),o=i;return i.cmp(this.m)>=0?o=i.isub(this.m):i.cmpn(0)<0&&(o=i.iadd(this.m)),o._forceRed(this)},M.prototype.mul=function(e,t){if(e.isZero()||t.isZero())return new o(0)._forceRed(this);var r=e.mul(t),n=r.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),i=r.isub(n).iushrn(this.shift),a=i;return i.cmp(this.m)>=0?a=i.isub(this.m):i.cmpn(0)<0&&(a=i.iadd(this.m)),a._forceRed(this)},M.prototype.invm=function(e){return this.imod(e._invmp(this.m).mul(this.r2))._forceRed(this)}}(void 0===e||e,this)}).call(this,r(163)(e))},function(e,t,r){var n=r(15),i=r(2);function o(e){return encodeURIComponent(e).replace(/\\+/g,\"%2B\").replace(/'/g,\"%27\")}function a(e){return decodeURIComponent(e)}function f(e){var t=[];return i.forIn(e,function(e,r){var a=o(e);i.isType(\"array\",r)||(r=[r]),r.forEach(function(e){n.hasValue(e)&&t.push(a+\"=\"+o(e))})}),t.sort().join(\"&\")}function s(e){var t={};return e?(e.split(\"&\").forEach(function(e){var r=e.split(\"=\"),n=a(r[0]),o=a(r[1]);if(2==r.length){if(!i.isType(\"array\",t[n]))return n in t?(t[n]=[t[n]],void t[n].push(o)):void(t[n]=o);t[n].push(o)}}),t):{}}e.exports={url:function(e,t){return f(t).length>0?i.contains(e,\"?\")?e+\"&\"+f(t):e+\"?\"+f(t):e},decodeURL:function(e){var t=e&&e.split(\"?\");return 2==t.length?s(t[1]):{}},decode:s,encode:f,encodePart:o,decodePart:a}},function(e,t,r){\"use strict\";var n=t;n.version=r(170).version,n.utils=r(171),n.rand=r(101),n.curve=r(38),n.curves=r(176),n.ec=r(184),n.eddsa=r(188)},function(e,t,r){var n=r(3).JSON;e.exports={stringify:n.stringify||n.encode,parse:n.parse||n.decode}},function(e,t,r){var n=r(4),i=r(24),o=r(3),a=r(2),f=i.userAgent;function s(e){return/(Trident|MSIE|Edge[/ ]?\\d)/.test(e=e||f)}e.exports={retina:function(e){return(e=e||o).devicePixelRatio?e.devicePixelRatio>=1.5:!!e.matchMedia&&e.matchMedia(\"only screen and (min-resolution: 144dpi)\").matches},anyIE:s,ie9:function(e){return/MSIE 9/.test(e=e||f)},ie10:function(e){return/MSIE 10/.test(e=e||f)},ios:function(e){return/(iPad|iPhone|iPod)/.test(e=e||f)},android:function(e){return/^Mozilla\\/5\\.0 \\(Linux; (U; )?Android/.test(e=e||f)},canPostMessage:function(e,t){return e=e||o,t=t||f,e.postMessage&&!(s(t)&&e.opener)},touch:function(e,t,r){return e=e||o,t=t||i,r=r||f,\"ontouchstart\"in e||/Opera Mini/.test(r)||t.msMaxTouchPoints>0},cssTransitions:function(){var e=n.body.style;return void 0!==e.transition||void 0!==e.webkitTransition||void 0!==e.mozTransition||void 0!==e.oTransition||void 0!==e.msTransition},hasPromiseSupport:function(){return!!(o.Promise&&o.Promise.resolve&&o.Promise.reject&&o.Promise.all&&o.Promise.race&&(new o.Promise(function(t){e=t}),a.isType(\"function\",e)));var e},hasIntersectionObserverSupport:function(){return!!o.IntersectionObserver},hasPerformanceInformation:function(){return o.performance&&o.performance.getEntriesByType}}},function(e,t){function r(e,t){if(!e)throw new Error(t||\"Assertion failed\")}e.exports=r,r.equal=function(e,t,r){if(e!=t)throw new Error(r||\"Assertion failed: \"+e+\" != \"+t)}},,,function(e,t,r){\"use strict\";var n=r(11),i=r(0);function o(e){return(e>>>24|e>>>8&65280|e<<8&16711680|(255&e)<<24)>>>0}function a(e){return 1===e.length?\"0\"+e:e}function f(e){return 7===e.length?\"0\"+e:6===e.length?\"00\"+e:5===e.length?\"000\"+e:4===e.length?\"0000\"+e:3===e.length?\"00000\"+e:2===e.length?\"000000\"+e:1===e.length?\"0000000\"+e:e}t.inherits=i,t.toArray=function(e,t){if(Array.isArray(e))return e.slice();if(!e)return[];var r=[];if(\"string\"==typeof e)if(t){if(\"hex\"===t)for((e=e.replace(/[^a-z0-9]+/gi,\"\")).length%2!=0&&(e=\"0\"+e),n=0;n>8,a=255&i;o?r.push(o,a):r.push(a)}else for(n=0;n>>0}return a},t.split32=function(e,t){for(var r=new Array(4*e.length),n=0,i=0;n>>24,r[i+1]=o>>>16&255,r[i+2]=o>>>8&255,r[i+3]=255&o):(r[i+3]=o>>>24,r[i+2]=o>>>16&255,r[i+1]=o>>>8&255,r[i]=255&o)}return r},t.rotr32=function(e,t){return e>>>t|e<<32-t},t.rotl32=function(e,t){return e<>>32-t},t.sum32=function(e,t){return e+t>>>0},t.sum32_3=function(e,t,r){return e+t+r>>>0},t.sum32_4=function(e,t,r,n){return e+t+r+n>>>0},t.sum32_5=function(e,t,r,n,i){return e+t+r+n+i>>>0},t.sum64=function(e,t,r,n){var i=e[t],o=n+e[t+1]>>>0,a=(o>>0,e[t+1]=o},t.sum64_hi=function(e,t,r,n){return(t+n>>>0>>0},t.sum64_lo=function(e,t,r,n){return t+n>>>0},t.sum64_4_hi=function(e,t,r,n,i,o,a,f){var s=0,c=t;return s+=(c=c+n>>>0)>>0)>>0)>>0},t.sum64_4_lo=function(e,t,r,n,i,o,a,f){return t+n+o+f>>>0},t.sum64_5_hi=function(e,t,r,n,i,o,a,f,s,c){var h=0,u=t;return h+=(u=u+n>>>0)>>0)>>0)>>0)>>0},t.sum64_5_lo=function(e,t,r,n,i,o,a,f,s,c){return t+n+o+f+c>>>0},t.rotr64_hi=function(e,t,r){return(t<<32-r|e>>>r)>>>0},t.rotr64_lo=function(e,t,r){return(e<<32-r|t>>>r)>>>0},t.shr64_hi=function(e,t,r){return e>>>r},t.shr64_lo=function(e,t,r){return(e<<32-r|t>>>r)>>>0}},function(e,t,r){var n=r(2),i=[!0,1,\"1\",\"on\",\"ON\",\"true\",\"TRUE\",\"yes\",\"YES\"],o=[!1,0,\"0\",\"off\",\"OFF\",\"false\",\"FALSE\",\"no\",\"NO\"];function a(e){return void 0!==e&&null!==e&&\"\"!==e}function f(e){return c(e)&&e%1==0}function s(e){return c(e)&&!f(e)}function c(e){return a(e)&&!isNaN(e)}function h(e){return n.contains(o,e)}function u(e){return n.contains(i,e)}e.exports={hasValue:a,isInt:f,isFloat:s,isNumber:c,isString:function(e){return\"string\"===n.toType(e)},isArray:function(e){return a(e)&&\"array\"==n.toType(e)},isTruthValue:u,isFalseValue:h,asInt:function(e){if(f(e))return parseInt(e,10)},asFloat:function(e){if(s(e))return e},asNumber:function(e){if(c(e))return e},asBoolean:function(e){return!(!a(e)||!u(e)&&(h(e)||!e))}}},function(e,t,r){var n=r(3),i=r(10),o=r(25);i.hasPromiseSupport()||(n.Promise=o),e.exports=n.Promise},function(e,t,r){var n=r(1).Buffer,i=r(67).Transform,o=r(71).StringDecoder;function a(e){i.call(this),this.hashMode=\"string\"==typeof e,this.hashMode?this[e]=this._finalOrDigest:this.final=this._finalOrDigest,this._final&&(this.__final=this._final,this._final=null),this._decoder=null,this._encoding=null}r(0)(a,i),a.prototype.update=function(e,t,r){\"string\"==typeof e&&(e=n.from(e,t));var i=this._update(e);return this.hashMode?this:(r&&(i=this._toString(i,r)),i)},a.prototype.setAutoPadding=function(){},a.prototype.getAuthTag=function(){throw new Error(\"trying to get auth tag in unsupported state\")},a.prototype.setAuthTag=function(){throw new Error(\"trying to set auth tag in unsupported state\")},a.prototype.setAAD=function(){throw new Error(\"trying to set aad in unsupported state\")},a.prototype._transform=function(e,t,r){var n;try{this.hashMode?this._update(e):this.push(this._update(e))}catch(e){n=e}finally{r(n)}},a.prototype._flush=function(e){var t;try{this.push(this.__final())}catch(e){t=e}e(t)},a.prototype._finalOrDigest=function(e){var t=this.__final()||n.alloc(0);return e&&(t=this._toString(t,e,!0)),t},a.prototype._toString=function(e,t,r){if(this._decoder||(this._decoder=new o(t),this._encoding=t),this._encoding!==t)throw new Error(\"can't switch encodings\");var n=this._decoder.write(e);return r&&(n+=this._decoder.end()),n},e.exports=a},function(e,t,r){var n=r(16);e.exports=function(){var e=this;this.promise=new n(function(t,r){e.resolve=t,e.reject=r})}},function(e,t,r){\"use strict\";var n=r(35),i=Object.keys||function(e){var t=[];for(var r in e)t.push(r);return t};e.exports=u;var o=r(30);o.inherits=r(0);var a=r(81),f=r(70);o.inherits(u,a);for(var s=i(f.prototype),c=0;c65536)throw new Error(\"requested too many random bytes\");var r=new global.Uint8Array(e);e>0&&i.getRandomValues(r);var o=n.from(r.buffer);if(\"function\"==typeof t)return process.nextTick(function(){t(null,o)});return o}:e.exports=function(){throw new Error(\"Secure random number generation is not supported by this browser.\\nUse Chrome, Firefox or Internet Explorer 11\")}},function(e,t,r){var n=r(1).Buffer;function i(e,t){this._block=n.alloc(e),this._finalSize=t,this._blockSize=e,this._len=0}i.prototype.update=function(e,t){\"string\"==typeof e&&(t=t||\"utf8\",e=n.from(e,t));for(var r=this._block,i=this._blockSize,o=e.length,a=this._len,f=0;f=this._finalSize&&(this._update(this._block),this._block.fill(0));var r=8*this._len;if(r<=4294967295)this._block.writeUInt32BE(r,this._blockSize-4);else{var n=(4294967295&r)>>>0,i=(r-n)/4294967296;this._block.writeUInt32BE(i,this._blockSize-8),this._block.writeUInt32BE(n,this._blockSize-4)}this._update(this._block);var o=this._hash();return e?o.toString(e):o},i.prototype._update=function(){throw new Error(\"_update must be implemented by subclass\")},e.exports=i},,,function(e,t){e.exports=navigator},function(e,t,r){\n/*!\n * @overview es6-promise - a tiny implementation of Promises/A+.\n * @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors (Conversion to ES6 API by Jake Archibald)\n * @license Licensed under MIT license\n * See https://raw.githubusercontent.com/stefanpenner/es6-promise/master/LICENSE\n * @version v4.2.5+7f2b526d\n */var n;n=function(){\"use strict\";function e(e){return\"function\"==typeof e}var t=Array.isArray?Array.isArray:function(e){return\"[object Array]\"===Object.prototype.toString.call(e)},r=0,n=void 0,i=void 0,o=function(e,t){d[r]=e,d[r+1]=t,2===(r+=2)&&(i?i(l):g())};var a=\"undefined\"!=typeof window?window:void 0,f=a||{},s=f.MutationObserver||f.WebKitMutationObserver,c=\"undefined\"==typeof self&&\"undefined\"!=typeof process&&\"[object process]\"==={}.toString.call(process),h=\"undefined\"!=typeof Uint8ClampedArray&&\"undefined\"!=typeof importScripts&&\"undefined\"!=typeof MessageChannel;function u(){var e=setTimeout;return function(){return e(l,1)}}var d=new Array(1e3);function l(){for(var e=0;e \n * @license MIT\n */var n=r(127),i=r(128),o=r(79);function a(){return s.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function f(e,t){if(a()=a())throw new RangeError(\"Attempt to allocate Buffer larger than maximum size: 0x\"+a().toString(16)+\" bytes\");return 0|e}function p(e,t){if(s.isBuffer(e))return e.length;if(\"undefined\"!=typeof ArrayBuffer&&\"function\"==typeof ArrayBuffer.isView&&(ArrayBuffer.isView(e)||e instanceof ArrayBuffer))return e.byteLength;\"string\"!=typeof e&&(e=\"\"+e);var r=e.length;if(0===r)return 0;for(var n=!1;;)switch(t){case\"ascii\":case\"latin1\":case\"binary\":return r;case\"utf8\":case\"utf-8\":case void 0:return q(e).length;case\"ucs2\":case\"ucs-2\":case\"utf16le\":case\"utf-16le\":return 2*r;case\"hex\":return r>>>1;case\"base64\":return z(e).length;default:if(n)return q(e).length;t=(\"\"+t).toLowerCase(),n=!0}}function b(e,t,r){var n=e[t];e[t]=e[r],e[r]=n}function y(e,t,r,n,i){if(0===e.length)return-1;if(\"string\"==typeof r?(n=r,r=0):r>2147483647?r=2147483647:r<-2147483648&&(r=-2147483648),r=+r,isNaN(r)&&(r=i?0:e.length-1),r<0&&(r=e.length+r),r>=e.length){if(i)return-1;r=e.length-1}else if(r<0){if(!i)return-1;r=0}if(\"string\"==typeof t&&(t=s.from(t,n)),s.isBuffer(t))return 0===t.length?-1:v(e,t,r,n,i);if(\"number\"==typeof t)return t&=255,s.TYPED_ARRAY_SUPPORT&&\"function\"==typeof Uint8Array.prototype.indexOf?i?Uint8Array.prototype.indexOf.call(e,t,r):Uint8Array.prototype.lastIndexOf.call(e,t,r):v(e,[t],r,n,i);throw new TypeError(\"val must be string, number or Buffer\")}function v(e,t,r,n,i){var o,a=1,f=e.length,s=t.length;if(void 0!==n&&(\"ucs2\"===(n=String(n).toLowerCase())||\"ucs-2\"===n||\"utf16le\"===n||\"utf-16le\"===n)){if(e.length<2||t.length<2)return-1;a=2,f/=2,s/=2,r/=2}function c(e,t){return 1===a?e[t]:e.readUInt16BE(t*a)}if(i){var h=-1;for(o=r;of&&(r=f-s),o=r;o>=0;o--){for(var u=!0,d=0;di&&(n=i):n=i;var o=t.length;if(o%2!=0)throw new TypeError(\"Invalid hex string\");n>o/2&&(n=o/2);for(var a=0;a>8,i=r%256,o.push(i),o.push(n);return o}(t,e.length-r),e,r,n)}function E(e,t,r){return 0===t&&r===e.length?n.fromByteArray(e):n.fromByteArray(e.slice(t,r))}function A(e,t,r){r=Math.min(e.length,r);for(var n=[],i=t;i239?4:c>223?3:c>191?2:1;if(i+u<=r)switch(u){case 1:c<128&&(h=c);break;case 2:128==(192&(o=e[i+1]))&&(s=(31&c)<<6|63&o)>127&&(h=s);break;case 3:o=e[i+1],a=e[i+2],128==(192&o)&&128==(192&a)&&(s=(15&c)<<12|(63&o)<<6|63&a)>2047&&(s<55296||s>57343)&&(h=s);break;case 4:o=e[i+1],a=e[i+2],f=e[i+3],128==(192&o)&&128==(192&a)&&128==(192&f)&&(s=(15&c)<<18|(63&o)<<12|(63&a)<<6|63&f)>65535&&s<1114112&&(h=s)}null===h?(h=65533,u=1):h>65535&&(h-=65536,n.push(h>>>10&1023|55296),h=56320|1023&h),n.push(h),i+=u}return function(e){var t=e.length;if(t<=k)return String.fromCharCode.apply(String,e);var r=\"\",n=0;for(;nthis.length)return\"\";if((void 0===r||r>this.length)&&(r=this.length),r<=0)return\"\";if((r>>>=0)<=(t>>>=0))return\"\";for(e||(e=\"utf8\");;)switch(e){case\"hex\":return I(this,t,r);case\"utf8\":case\"utf-8\":return A(this,t,r);case\"ascii\":return x(this,t,r);case\"latin1\":case\"binary\":return B(this,t,r);case\"base64\":return E(this,t,r);case\"ucs2\":case\"ucs-2\":case\"utf16le\":case\"utf-16le\":return R(this,t,r);default:if(n)throw new TypeError(\"Unknown encoding: \"+e);e=(e+\"\").toLowerCase(),n=!0}}.apply(this,arguments)},s.prototype.equals=function(e){if(!s.isBuffer(e))throw new TypeError(\"Argument must be a Buffer\");return this===e||0===s.compare(this,e)},s.prototype.inspect=function(){var e=\"\",r=t.INSPECT_MAX_BYTES;return this.length>0&&(e=this.toString(\"hex\",0,r).match(/.{2}/g).join(\" \"),this.length>r&&(e+=\" ... \")),\"\"},s.prototype.compare=function(e,t,r,n,i){if(!s.isBuffer(e))throw new TypeError(\"Argument must be a Buffer\");if(void 0===t&&(t=0),void 0===r&&(r=e?e.length:0),void 0===n&&(n=0),void 0===i&&(i=this.length),t<0||r>e.length||n<0||i>this.length)throw new RangeError(\"out of range index\");if(n>=i&&t>=r)return 0;if(n>=i)return-1;if(t>=r)return 1;if(t>>>=0,r>>>=0,n>>>=0,i>>>=0,this===e)return 0;for(var o=i-n,a=r-t,f=Math.min(o,a),c=this.slice(n,i),h=e.slice(t,r),u=0;ui)&&(r=i),e.length>0&&(r<0||t<0)||t>this.length)throw new RangeError(\"Attempt to write outside buffer bounds\");n||(n=\"utf8\");for(var o=!1;;)switch(n){case\"hex\":return g(this,e,t,r);case\"utf8\":case\"utf-8\":return m(this,e,t,r);case\"ascii\":return _(this,e,t,r);case\"latin1\":case\"binary\":return w(this,e,t,r);case\"base64\":return S(this,e,t,r);case\"ucs2\":case\"ucs-2\":case\"utf16le\":case\"utf-16le\":return M(this,e,t,r);default:if(o)throw new TypeError(\"Unknown encoding: \"+n);n=(\"\"+n).toLowerCase(),o=!0}},s.prototype.toJSON=function(){return{type:\"Buffer\",data:Array.prototype.slice.call(this._arr||this,0)}};var k=4096;function x(e,t,r){var n=\"\";r=Math.min(e.length,r);for(var i=t;in)&&(r=n);for(var i=\"\",o=t;or)throw new RangeError(\"Trying to access beyond buffer length\")}function T(e,t,r,n,i,o){if(!s.isBuffer(e))throw new TypeError('\"buffer\" argument must be a Buffer instance');if(t>i||te.length)throw new RangeError(\"Index out of range\")}function C(e,t,r,n){t<0&&(t=65535+t+1);for(var i=0,o=Math.min(e.length-r,2);i>>8*(n?i:1-i)}function j(e,t,r,n){t<0&&(t=4294967295+t+1);for(var i=0,o=Math.min(e.length-r,4);i>>8*(n?i:3-i)&255}function O(e,t,r,n,i,o){if(r+n>e.length)throw new RangeError(\"Index out of range\");if(r<0)throw new RangeError(\"Index out of range\")}function U(e,t,r,n,o){return o||O(e,0,r,4),i.write(e,t,r,n,23,4),r+4}function D(e,t,r,n,o){return o||O(e,0,r,8),i.write(e,t,r,n,52,8),r+8}s.prototype.slice=function(e,t){var r,n=this.length;if(e=~~e,t=void 0===t?n:~~t,e<0?(e+=n)<0&&(e=0):e>n&&(e=n),t<0?(t+=n)<0&&(t=0):t>n&&(t=n),t0&&(i*=256);)n+=this[e+--t]*i;return n},s.prototype.readUInt8=function(e,t){return t||P(e,1,this.length),this[e]},s.prototype.readUInt16LE=function(e,t){return t||P(e,2,this.length),this[e]|this[e+1]<<8},s.prototype.readUInt16BE=function(e,t){return t||P(e,2,this.length),this[e]<<8|this[e+1]},s.prototype.readUInt32LE=function(e,t){return t||P(e,4,this.length),(this[e]|this[e+1]<<8|this[e+2]<<16)+16777216*this[e+3]},s.prototype.readUInt32BE=function(e,t){return t||P(e,4,this.length),16777216*this[e]+(this[e+1]<<16|this[e+2]<<8|this[e+3])},s.prototype.readIntLE=function(e,t,r){e|=0,t|=0,r||P(e,t,this.length);for(var n=this[e],i=1,o=0;++o=(i*=128)&&(n-=Math.pow(2,8*t)),n},s.prototype.readIntBE=function(e,t,r){e|=0,t|=0,r||P(e,t,this.length);for(var n=t,i=1,o=this[e+--n];n>0&&(i*=256);)o+=this[e+--n]*i;return o>=(i*=128)&&(o-=Math.pow(2,8*t)),o},s.prototype.readInt8=function(e,t){return t||P(e,1,this.length),128&this[e]?-1*(255-this[e]+1):this[e]},s.prototype.readInt16LE=function(e,t){t||P(e,2,this.length);var r=this[e]|this[e+1]<<8;return 32768&r?4294901760|r:r},s.prototype.readInt16BE=function(e,t){t||P(e,2,this.length);var r=this[e+1]|this[e]<<8;return 32768&r?4294901760|r:r},s.prototype.readInt32LE=function(e,t){return t||P(e,4,this.length),this[e]|this[e+1]<<8|this[e+2]<<16|this[e+3]<<24},s.prototype.readInt32BE=function(e,t){return t||P(e,4,this.length),this[e]<<24|this[e+1]<<16|this[e+2]<<8|this[e+3]},s.prototype.readFloatLE=function(e,t){return t||P(e,4,this.length),i.read(this,e,!0,23,4)},s.prototype.readFloatBE=function(e,t){return t||P(e,4,this.length),i.read(this,e,!1,23,4)},s.prototype.readDoubleLE=function(e,t){return t||P(e,8,this.length),i.read(this,e,!0,52,8)},s.prototype.readDoubleBE=function(e,t){return t||P(e,8,this.length),i.read(this,e,!1,52,8)},s.prototype.writeUIntLE=function(e,t,r,n){(e=+e,t|=0,r|=0,n)||T(this,e,t,r,Math.pow(2,8*r)-1,0);var i=1,o=0;for(this[t]=255&e;++o=0&&(o*=256);)this[t+i]=e/o&255;return t+r},s.prototype.writeUInt8=function(e,t,r){return e=+e,t|=0,r||T(this,e,t,1,255,0),s.TYPED_ARRAY_SUPPORT||(e=Math.floor(e)),this[t]=255&e,t+1},s.prototype.writeUInt16LE=function(e,t,r){return e=+e,t|=0,r||T(this,e,t,2,65535,0),s.TYPED_ARRAY_SUPPORT?(this[t]=255&e,this[t+1]=e>>>8):C(this,e,t,!0),t+2},s.prototype.writeUInt16BE=function(e,t,r){return e=+e,t|=0,r||T(this,e,t,2,65535,0),s.TYPED_ARRAY_SUPPORT?(this[t]=e>>>8,this[t+1]=255&e):C(this,e,t,!1),t+2},s.prototype.writeUInt32LE=function(e,t,r){return e=+e,t|=0,r||T(this,e,t,4,4294967295,0),s.TYPED_ARRAY_SUPPORT?(this[t+3]=e>>>24,this[t+2]=e>>>16,this[t+1]=e>>>8,this[t]=255&e):j(this,e,t,!0),t+4},s.prototype.writeUInt32BE=function(e,t,r){return e=+e,t|=0,r||T(this,e,t,4,4294967295,0),s.TYPED_ARRAY_SUPPORT?(this[t]=e>>>24,this[t+1]=e>>>16,this[t+2]=e>>>8,this[t+3]=255&e):j(this,e,t,!1),t+4},s.prototype.writeIntLE=function(e,t,r,n){if(e=+e,t|=0,!n){var i=Math.pow(2,8*r-1);T(this,e,t,r,i-1,-i)}var o=0,a=1,f=0;for(this[t]=255&e;++o>0)-f&255;return t+r},s.prototype.writeIntBE=function(e,t,r,n){if(e=+e,t|=0,!n){var i=Math.pow(2,8*r-1);T(this,e,t,r,i-1,-i)}var o=r-1,a=1,f=0;for(this[t+o]=255&e;--o>=0&&(a*=256);)e<0&&0===f&&0!==this[t+o+1]&&(f=1),this[t+o]=(e/a>>0)-f&255;return t+r},s.prototype.writeInt8=function(e,t,r){return e=+e,t|=0,r||T(this,e,t,1,127,-128),s.TYPED_ARRAY_SUPPORT||(e=Math.floor(e)),e<0&&(e=255+e+1),this[t]=255&e,t+1},s.prototype.writeInt16LE=function(e,t,r){return e=+e,t|=0,r||T(this,e,t,2,32767,-32768),s.TYPED_ARRAY_SUPPORT?(this[t]=255&e,this[t+1]=e>>>8):C(this,e,t,!0),t+2},s.prototype.writeInt16BE=function(e,t,r){return e=+e,t|=0,r||T(this,e,t,2,32767,-32768),s.TYPED_ARRAY_SUPPORT?(this[t]=e>>>8,this[t+1]=255&e):C(this,e,t,!1),t+2},s.prototype.writeInt32LE=function(e,t,r){return e=+e,t|=0,r||T(this,e,t,4,2147483647,-2147483648),s.TYPED_ARRAY_SUPPORT?(this[t]=255&e,this[t+1]=e>>>8,this[t+2]=e>>>16,this[t+3]=e>>>24):j(this,e,t,!0),t+4},s.prototype.writeInt32BE=function(e,t,r){return e=+e,t|=0,r||T(this,e,t,4,2147483647,-2147483648),e<0&&(e=4294967295+e+1),s.TYPED_ARRAY_SUPPORT?(this[t]=e>>>24,this[t+1]=e>>>16,this[t+2]=e>>>8,this[t+3]=255&e):j(this,e,t,!1),t+4},s.prototype.writeFloatLE=function(e,t,r){return U(this,e,t,!0,r)},s.prototype.writeFloatBE=function(e,t,r){return U(this,e,t,!1,r)},s.prototype.writeDoubleLE=function(e,t,r){return D(this,e,t,!0,r)},s.prototype.writeDoubleBE=function(e,t,r){return D(this,e,t,!1,r)},s.prototype.copy=function(e,t,r,n){if(r||(r=0),n||0===n||(n=this.length),t>=e.length&&(t=e.length),t||(t=0),n>0&&n=this.length)throw new RangeError(\"sourceStart out of bounds\");if(n<0)throw new RangeError(\"sourceEnd out of bounds\");n>this.length&&(n=this.length),e.length-t=0;--i)e[i+t]=this[i+r];else if(o<1e3||!s.TYPED_ARRAY_SUPPORT)for(i=0;i>>=0,r=void 0===r?this.length:r>>>0,e||(e=0),\"number\"==typeof e)for(o=t;o55295&&r<57344){if(!i){if(r>56319){(t-=3)>-1&&o.push(239,191,189);continue}if(a+1===n){(t-=3)>-1&&o.push(239,191,189);continue}i=r;continue}if(r<56320){(t-=3)>-1&&o.push(239,191,189),i=r;continue}r=65536+(i-55296<<10|r-56320)}else i&&(t-=3)>-1&&o.push(239,191,189);if(i=null,r<128){if((t-=1)<0)break;o.push(r)}else if(r<2048){if((t-=2)<0)break;o.push(r>>6|192,63&r|128)}else if(r<65536){if((t-=3)<0)break;o.push(r>>12|224,r>>6&63|128,63&r|128)}else{if(!(r<1114112))throw new Error(\"Invalid code point\");if((t-=4)<0)break;o.push(r>>18|240,r>>12&63|128,r>>6&63|128,63&r|128)}}return o}function z(e){return n.toByteArray(function(e){if((e=function(e){return e.trim?e.trim():e.replace(/^\\s+|\\s+$/g,\"\")}(e).replace(L,\"\")).length<2)return\"\";for(;e.length%4!=0;)e+=\"=\";return e}(e))}function K(e,t,r,n){for(var i=0;i=t.length||i>=e.length);++i)t[i+r]=e[i];return i}},function(e,t,r){\"use strict\";var n=r(0),i=r(66),o=r(72),a=r(73),f=r(17);function s(e){f.call(this,\"digest\"),this._hash=e}n(s,f),s.prototype._update=function(e){this._hash.update(e)},s.prototype._final=function(){return this._hash.digest()},e.exports=function(e){return\"md5\"===(e=e.toLowerCase())?new i:\"rmd160\"===e||\"ripemd160\"===e?new o:new s(a(e))}},function(e,t){function r(e){return Object.prototype.toString.call(e)}t.isArray=function(e){return Array.isArray?Array.isArray(e):\"[object Array]\"===r(e)},t.isBoolean=function(e){return\"boolean\"==typeof e},t.isNull=function(e){return null===e},t.isNullOrUndefined=function(e){return null==e},t.isNumber=function(e){return\"number\"==typeof e},t.isString=function(e){return\"string\"==typeof e},t.isSymbol=function(e){return\"symbol\"==typeof e},t.isUndefined=function(e){return void 0===e},t.isRegExp=function(e){return\"[object RegExp]\"===r(e)},t.isObject=function(e){return\"object\"==typeof e&&null!==e},t.isDate=function(e){return\"[object Date]\"===r(e)},t.isError=function(e){return\"[object Error]\"===r(e)||e instanceof Error},t.isFunction=function(e){return\"function\"==typeof e},t.isPrimitive=function(e){return null===e||\"boolean\"==typeof e||\"number\"==typeof e||\"string\"==typeof e||\"symbol\"==typeof e||void 0===e},t.isBuffer=Buffer.isBuffer},function(e,t){e.exports=function(e,t){for(var r=Math.min(e.length,t.length),n=new Buffer(r),i=0;i=this._delta8){var r=(e=this.pending).length%this._delta8;this.pending=e.slice(e.length-r,e.length),0===this.pending.length&&(this.pending=null),e=n.join32(e,0,e.length-r,this.endian);for(var i=0;i>>24&255,n[i++]=e>>>16&255,n[i++]=e>>>8&255,n[i++]=255&e}else for(n[i++]=255&e,n[i++]=e>>>8&255,n[i++]=e>>>16&255,n[i++]=e>>>24&255,n[i++]=0,n[i++]=0,n[i++]=0,n[i++]=0,o=8;o>>24]^h[p>>>16&255]^u[b>>>8&255]^d[255&y]^t[v++],a=c[p>>>24]^h[b>>>16&255]^u[y>>>8&255]^d[255&l]^t[v++],f=c[b>>>24]^h[y>>>16&255]^u[l>>>8&255]^d[255&p]^t[v++],s=c[y>>>24]^h[l>>>16&255]^u[p>>>8&255]^d[255&b]^t[v++],l=o,p=a,b=f,y=s;return o=(n[l>>>24]<<24|n[p>>>16&255]<<16|n[b>>>8&255]<<8|n[255&y])^t[v++],a=(n[p>>>24]<<24|n[b>>>16&255]<<16|n[y>>>8&255]<<8|n[255&l])^t[v++],f=(n[b>>>24]<<24|n[y>>>16&255]<<16|n[l>>>8&255]<<8|n[255&p])^t[v++],s=(n[y>>>24]<<24|n[l>>>16&255]<<16|n[p>>>8&255]<<8|n[255&b])^t[v++],[o>>>=0,a>>>=0,f>>>=0,s>>>=0]}var f=[0,1,2,4,8,16,32,64,128,27,54],s=function(){for(var e=new Array(256),t=0;t<256;t++)e[t]=t<128?t<<1:t<<1^283;for(var r=[],n=[],i=[[],[],[],[]],o=[[],[],[],[]],a=0,f=0,s=0;s<256;++s){var c=f^f<<1^f<<2^f<<3^f<<4;c=c>>>8^255&c^99,r[a]=c,n[c]=a;var h=e[a],u=e[h],d=e[u],l=257*e[c]^16843008*c;i[0][a]=l<<24|l>>>8,i[1][a]=l<<16|l>>>16,i[2][a]=l<<8|l>>>24,i[3][a]=l,l=16843009*d^65537*u^257*h^16843008*a,o[0][c]=l<<24|l>>>8,o[1][c]=l<<16|l>>>16,o[2][c]=l<<8|l>>>24,o[3][c]=l,0===a?a=f=1:(a=h^e[e[e[d^h]]],f^=e[e[f]])}return{SBOX:r,INV_SBOX:n,SUB_MIX:i,INV_SUB_MIX:o}}();function c(e){this._key=i(e),this._reset()}c.blockSize=16,c.keySize=32,c.prototype.blockSize=c.blockSize,c.prototype.keySize=c.keySize,c.prototype._reset=function(){for(var e=this._key,t=e.length,r=t+6,n=4*(r+1),i=[],o=0;o>>24,a=s.SBOX[a>>>24]<<24|s.SBOX[a>>>16&255]<<16|s.SBOX[a>>>8&255]<<8|s.SBOX[255&a],a^=f[o/t|0]<<24):t>6&&o%t==4&&(a=s.SBOX[a>>>24]<<24|s.SBOX[a>>>16&255]<<16|s.SBOX[a>>>8&255]<<8|s.SBOX[255&a]),i[o]=i[o-t]^a}for(var c=[],h=0;h>>24]]^s.INV_SUB_MIX[1][s.SBOX[d>>>16&255]]^s.INV_SUB_MIX[2][s.SBOX[d>>>8&255]]^s.INV_SUB_MIX[3][s.SBOX[255&d]]}this._nRounds=r,this._keySchedule=i,this._invKeySchedule=c},c.prototype.encryptBlockRaw=function(e){return a(e=i(e),this._keySchedule,s.SUB_MIX,s.SBOX,this._nRounds)},c.prototype.encryptBlock=function(e){var t=this.encryptBlockRaw(e),r=n.allocUnsafe(16);return r.writeUInt32BE(t[0],0),r.writeUInt32BE(t[1],4),r.writeUInt32BE(t[2],8),r.writeUInt32BE(t[3],12),r},c.prototype.decryptBlock=function(e){var t=(e=i(e))[1];e[1]=e[3],e[3]=t;var r=a(e,this._invKeySchedule,s.INV_SUB_MIX,s.INV_SBOX,this._nRounds),o=n.allocUnsafe(16);return o.writeUInt32BE(r[0],0),o.writeUInt32BE(r[3],4),o.writeUInt32BE(r[2],8),o.writeUInt32BE(r[1],12),o},c.prototype.scrub=function(){o(this._keySchedule),o(this._invKeySchedule),o(this._key)},e.exports.AES=c},function(e,t,r){var n=r(1).Buffer,i=r(66);e.exports=function(e,t,r,o){if(n.isBuffer(e)||(e=n.from(e,\"binary\")),t&&(n.isBuffer(t)||(t=n.from(t,\"binary\")),8!==t.length))throw new RangeError(\"salt should be Buffer with 8 byte length\");for(var a=r/8,f=n.alloc(a),s=n.alloc(o||0),c=n.alloc(0);a>0||o>0;){var h=new i;h.update(c),h.update(e),t&&h.update(t),c=h.digest();var u=0;if(a>0){var d=f.length-a;u=Math.min(a,c.length),c.copy(f,d,0,u),a-=u}if(u0){var l=s.length-o,p=Math.min(o,c.length-u);c.copy(s,l,u,u+p),o-=p}}return c.fill(0),{key:f,iv:s}}},function(e,t,r){\"use strict\";var n=t;n.base=r(172),n.short=r(173),n.mont=r(174),n.edwards=r(175)},function(e,t,r){var n=r(191),i=r(203),o=r(204),a=r(75),f=r(90);function s(e){var t;\"object\"!=typeof e||Buffer.isBuffer(e)||(t=e.passphrase,e=e.key),\"string\"==typeof e&&(e=new Buffer(e));var r,s,c=o(e,t),h=c.tag,u=c.data;switch(h){case\"CERTIFICATE\":s=n.certificate.decode(u,\"der\").tbsCertificate.subjectPublicKeyInfo;case\"PUBLIC KEY\":switch(s||(s=n.PublicKey.decode(u,\"der\")),r=s.algorithm.algorithm.join(\".\")){case\"1.2.840.113549.1.1.1\":return n.RSAPublicKey.decode(s.subjectPublicKey.data,\"der\");case\"1.2.840.10045.2.1\":return s.subjectPrivateKey=s.subjectPublicKey,{type:\"ec\",data:s};case\"1.2.840.10040.4.1\":return s.algorithm.params.pub_key=n.DSAparam.decode(s.subjectPublicKey.data,\"der\"),{type:\"dsa\",data:s.algorithm.params};default:throw new Error(\"unknown key id \"+r)}throw new Error(\"unknown key type \"+h);case\"ENCRYPTED PRIVATE KEY\":u=function(e,t){var r=e.algorithm.decrypt.kde.kdeparams.salt,n=parseInt(e.algorithm.decrypt.kde.kdeparams.iters.toString(),10),o=i[e.algorithm.decrypt.cipher.algo.join(\".\")],s=e.algorithm.decrypt.cipher.iv,c=e.subjectPrivateKey,h=parseInt(o.split(\"-\")[1],10)/8,u=f.pbkdf2Sync(t,r,n,h),d=a.createDecipheriv(o,u,s),l=[];return l.push(d.update(c)),l.push(d.final()),Buffer.concat(l)}(u=n.EncryptedPrivateKey.decode(u,\"der\"),t);case\"PRIVATE KEY\":switch(r=(s=n.PrivateKey.decode(u,\"der\")).algorithm.algorithm.join(\".\")){case\"1.2.840.113549.1.1.1\":return n.RSAPrivateKey.decode(s.subjectPrivateKey,\"der\");case\"1.2.840.10045.2.1\":return{curve:s.algorithm.curve,privateKey:n.ECPrivateKey.decode(s.subjectPrivateKey,\"der\").privateKey};case\"1.2.840.10040.4.1\":return s.algorithm.params.priv_key=n.DSAparam.decode(s.subjectPrivateKey,\"der\"),{type:\"dsa\",params:s.algorithm.params};default:throw new Error(\"unknown key id \"+r)}throw new Error(\"unknown key type \"+h);case\"RSA PUBLIC KEY\":return n.RSAPublicKey.decode(u,\"der\");case\"RSA PRIVATE KEY\":return n.RSAPrivateKey.decode(u,\"der\");case\"DSA PRIVATE KEY\":return{type:\"dsa\",params:n.DSAPrivateKey.decode(u,\"der\")};case\"EC PRIVATE KEY\":return{curve:(u=n.ECPrivateKey.decode(u,\"der\")).parameters.value,privateKey:u.privateKey};default:throw new Error(\"unknown key type \"+h)}}e.exports=s,s.signature=n.signature},,,,,,,,,,,,,,,,,,,,,,,,,,,function(e,t,r){\"use strict\";var n=r(0),i=r(80),o=r(1).Buffer,a=new Array(16);function f(){i.call(this,64),this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878}function s(e,t){return e<>>32-t}function c(e,t,r,n,i,o,a){return s(e+(t&r|~t&n)+i+o|0,a)+t|0}function h(e,t,r,n,i,o,a){return s(e+(t&n|r&~n)+i+o|0,a)+t|0}function u(e,t,r,n,i,o,a){return s(e+(t^r^n)+i+o|0,a)+t|0}function d(e,t,r,n,i,o,a){return s(e+(r^(t|~n))+i+o|0,a)+t|0}n(f,i),f.prototype._update=function(){for(var e=a,t=0;t<16;++t)e[t]=this._block.readInt32LE(4*t);var r=this._a,n=this._b,i=this._c,o=this._d;n=d(n=d(n=d(n=d(n=u(n=u(n=u(n=u(n=h(n=h(n=h(n=h(n=c(n=c(n=c(n=c(n,i=c(i,o=c(o,r=c(r,n,i,o,e[0],3614090360,7),n,i,e[1],3905402710,12),r,n,e[2],606105819,17),o,r,e[3],3250441966,22),i=c(i,o=c(o,r=c(r,n,i,o,e[4],4118548399,7),n,i,e[5],1200080426,12),r,n,e[6],2821735955,17),o,r,e[7],4249261313,22),i=c(i,o=c(o,r=c(r,n,i,o,e[8],1770035416,7),n,i,e[9],2336552879,12),r,n,e[10],4294925233,17),o,r,e[11],2304563134,22),i=c(i,o=c(o,r=c(r,n,i,o,e[12],1804603682,7),n,i,e[13],4254626195,12),r,n,e[14],2792965006,17),o,r,e[15],1236535329,22),i=h(i,o=h(o,r=h(r,n,i,o,e[1],4129170786,5),n,i,e[6],3225465664,9),r,n,e[11],643717713,14),o,r,e[0],3921069994,20),i=h(i,o=h(o,r=h(r,n,i,o,e[5],3593408605,5),n,i,e[10],38016083,9),r,n,e[15],3634488961,14),o,r,e[4],3889429448,20),i=h(i,o=h(o,r=h(r,n,i,o,e[9],568446438,5),n,i,e[14],3275163606,9),r,n,e[3],4107603335,14),o,r,e[8],1163531501,20),i=h(i,o=h(o,r=h(r,n,i,o,e[13],2850285829,5),n,i,e[2],4243563512,9),r,n,e[7],1735328473,14),o,r,e[12],2368359562,20),i=u(i,o=u(o,r=u(r,n,i,o,e[5],4294588738,4),n,i,e[8],2272392833,11),r,n,e[11],1839030562,16),o,r,e[14],4259657740,23),i=u(i,o=u(o,r=u(r,n,i,o,e[1],2763975236,4),n,i,e[4],1272893353,11),r,n,e[7],4139469664,16),o,r,e[10],3200236656,23),i=u(i,o=u(o,r=u(r,n,i,o,e[13],681279174,4),n,i,e[0],3936430074,11),r,n,e[3],3572445317,16),o,r,e[6],76029189,23),i=u(i,o=u(o,r=u(r,n,i,o,e[9],3654602809,4),n,i,e[12],3873151461,11),r,n,e[15],530742520,16),o,r,e[2],3299628645,23),i=d(i,o=d(o,r=d(r,n,i,o,e[0],4096336452,6),n,i,e[7],1126891415,10),r,n,e[14],2878612391,15),o,r,e[5],4237533241,21),i=d(i,o=d(o,r=d(r,n,i,o,e[12],1700485571,6),n,i,e[3],2399980690,10),r,n,e[10],4293915773,15),o,r,e[1],2240044497,21),i=d(i,o=d(o,r=d(r,n,i,o,e[8],1873313359,6),n,i,e[15],4264355552,10),r,n,e[6],2734768916,15),o,r,e[13],1309151649,21),i=d(i,o=d(o,r=d(r,n,i,o,e[4],4149444226,6),n,i,e[11],3174756917,10),r,n,e[2],718787259,15),o,r,e[9],3951481745,21),this._a=this._a+r|0,this._b=this._b+n|0,this._c=this._c+i|0,this._d=this._d+o|0},f.prototype._digest=function(){this._block[this._blockOffset++]=128,this._blockOffset>56&&(this._block.fill(0,this._blockOffset,64),this._update(),this._blockOffset=0),this._block.fill(0,this._blockOffset,56),this._block.writeUInt32LE(this._length[0],56),this._block.writeUInt32LE(this._length[1],60),this._update();var e=o.allocUnsafe(16);return e.writeInt32LE(this._a,0),e.writeInt32LE(this._b,4),e.writeInt32LE(this._c,8),e.writeInt32LE(this._d,12),e},e.exports=f},function(e,t,r){e.exports=i;var n=r(68).EventEmitter;function i(){n.call(this)}r(0)(i,n),i.Readable=r(69),i.Writable=r(134),i.Duplex=r(135),i.Transform=r(136),i.PassThrough=r(137),i.Stream=i,i.prototype.pipe=function(e,t){var r=this;function i(t){e.writable&&!1===e.write(t)&&r.pause&&r.pause()}function o(){r.readable&&r.resume&&r.resume()}r.on(\"data\",i),e.on(\"drain\",o),e._isStdio||t&&!1===t.end||(r.on(\"end\",f),r.on(\"close\",s));var a=!1;function f(){a||(a=!0,e.end())}function s(){a||(a=!0,\"function\"==typeof e.destroy&&e.destroy())}function c(e){if(h(),0===n.listenerCount(this,\"error\"))throw e}function h(){r.removeListener(\"data\",i),e.removeListener(\"drain\",o),r.removeListener(\"end\",f),r.removeListener(\"close\",s),r.removeListener(\"error\",c),e.removeListener(\"error\",c),r.removeListener(\"end\",h),r.removeListener(\"close\",h),e.removeListener(\"close\",h)}return r.on(\"error\",c),e.on(\"error\",c),r.on(\"end\",h),r.on(\"close\",h),e.on(\"close\",h),e.emit(\"pipe\",r),e}},function(e,t){function r(){this._events=this._events||{},this._maxListeners=this._maxListeners||void 0}function n(e){return\"function\"==typeof e}function i(e){return\"object\"==typeof e&&null!==e}function o(e){return void 0===e}e.exports=r,r.EventEmitter=r,r.prototype._events=void 0,r.prototype._maxListeners=void 0,r.defaultMaxListeners=10,r.prototype.setMaxListeners=function(e){if(\"number\"!=typeof e||e<0||isNaN(e))throw TypeError(\"n must be a positive number\");return this._maxListeners=e,this},r.prototype.emit=function(e){var t,r,a,f,s,c;if(this._events||(this._events={}),\"error\"===e&&(!this._events.error||i(this._events.error)&&!this._events.error.length)){if((t=arguments[1])instanceof Error)throw t;var h=new Error('Uncaught, unspecified \"error\" event. ('+t+\")\");throw h.context=t,h}if(o(r=this._events[e]))return!1;if(n(r))switch(arguments.length){case 1:r.call(this);break;case 2:r.call(this,arguments[1]);break;case 3:r.call(this,arguments[1],arguments[2]);break;default:f=Array.prototype.slice.call(arguments,1),r.apply(this,f)}else if(i(r))for(f=Array.prototype.slice.call(arguments,1),a=(c=r.slice()).length,s=0;s0&&this._events[e].length>a&&(this._events[e].warned=!0,console.error(\"(node) warning: possible EventEmitter memory leak detected. %d listeners added. Use emitter.setMaxListeners() to increase limit.\",this._events[e].length),\"function\"==typeof console.trace&&console.trace()),this},r.prototype.on=r.prototype.addListener,r.prototype.once=function(e,t){if(!n(t))throw TypeError(\"listener must be a function\");var r=!1;function i(){this.removeListener(e,i),r||(r=!0,t.apply(this,arguments))}return i.listener=t,this.on(e,i),this},r.prototype.removeListener=function(e,t){var r,o,a,f;if(!n(t))throw TypeError(\"listener must be a function\");if(!this._events||!this._events[e])return this;if(a=(r=this._events[e]).length,o=-1,r===t||n(r.listener)&&r.listener===t)delete this._events[e],this._events.removeListener&&this.emit(\"removeListener\",e,t);else if(i(r)){for(f=a;f-- >0;)if(r[f]===t||r[f].listener&&r[f].listener===t){o=f;break}if(o<0)return this;1===r.length?(r.length=0,delete this._events[e]):r.splice(o,1),this._events.removeListener&&this.emit(\"removeListener\",e,t)}return this},r.prototype.removeAllListeners=function(e){var t,r;if(!this._events)return this;if(!this._events.removeListener)return 0===arguments.length?this._events={}:this._events[e]&&delete this._events[e],this;if(0===arguments.length){for(t in this._events)\"removeListener\"!==t&&this.removeAllListeners(t);return this.removeAllListeners(\"removeListener\"),this._events={},this}if(n(r=this._events[e]))this.removeListener(e,r);else if(r)for(;r.length;)this.removeListener(e,r[r.length-1]);return delete this._events[e],this},r.prototype.listeners=function(e){return this._events&&this._events[e]?n(this._events[e])?[this._events[e]]:this._events[e].slice():[]},r.prototype.listenerCount=function(e){if(this._events){var t=this._events[e];if(n(t))return 1;if(t)return t.length}return 0},r.listenerCount=function(e,t){return e.listenerCount(t)}},function(e,t,r){(t=e.exports=r(81)).Stream=t,t.Readable=t,t.Writable=r(70),t.Duplex=r(19),t.Transform=r(84),t.PassThrough=r(133)},function(e,t,r){\"use strict\";var n=r(35);function i(e){var t=this;this.next=null,this.entry=null,this.finish=function(){!function(e,t,r){var n=e.entry;e.entry=null;for(;n;){var i=n.callback;t.pendingcb--,i(r),n=n.next}t.corkedRequestsFree?t.corkedRequestsFree.next=e:t.corkedRequestsFree=e}(t,e)}}e.exports=y;var o,a=!process.browser&&[\"v0.10\",\"v0.9.\"].indexOf(process.version.slice(0,5))>-1?setImmediate:n.nextTick;y.WritableState=b;var f=r(30);f.inherits=r(0);var s={deprecate:r(132)},c=r(82),h=r(1).Buffer,u=global.Uint8Array||function(){};var d,l=r(83);function p(){}function b(e,t){o=o||r(19),e=e||{};var f=t instanceof o;this.objectMode=!!e.objectMode,f&&(this.objectMode=this.objectMode||!!e.writableObjectMode);var s=e.highWaterMark,c=e.writableHighWaterMark,h=this.objectMode?16:16384;this.highWaterMark=s||0===s?s:f&&(c||0===c)?c:h,this.highWaterMark=Math.floor(this.highWaterMark),this.finalCalled=!1,this.needDrain=!1,this.ending=!1,this.ended=!1,this.finished=!1,this.destroyed=!1;var u=!1===e.decodeStrings;this.decodeStrings=!u,this.defaultEncoding=e.defaultEncoding||\"utf8\",this.length=0,this.writing=!1,this.corked=0,this.sync=!0,this.bufferProcessing=!1,this.onwrite=function(e){!function(e,t){var r=e._writableState,i=r.sync,o=r.writecb;if(function(e){e.writing=!1,e.writecb=null,e.length-=e.writelen,e.writelen=0}(r),t)!function(e,t,r,i,o){--t.pendingcb,r?(n.nextTick(o,i),n.nextTick(S,e,t),e._writableState.errorEmitted=!0,e.emit(\"error\",i)):(o(i),e._writableState.errorEmitted=!0,e.emit(\"error\",i),S(e,t))}(e,r,i,t,o);else{var f=_(r);f||r.corked||r.bufferProcessing||!r.bufferedRequest||m(e,r),i?a(g,e,r,f,o):g(e,r,f,o)}}(t,e)},this.writecb=null,this.writelen=0,this.bufferedRequest=null,this.lastBufferedRequest=null,this.pendingcb=0,this.prefinished=!1,this.errorEmitted=!1,this.bufferedRequestCount=0,this.corkedRequestsFree=new i(this)}function y(e){if(o=o||r(19),!(d.call(y,this)||this instanceof o))return new y(e);this._writableState=new b(e,this),this.writable=!0,e&&(\"function\"==typeof e.write&&(this._write=e.write),\"function\"==typeof e.writev&&(this._writev=e.writev),\"function\"==typeof e.destroy&&(this._destroy=e.destroy),\"function\"==typeof e.final&&(this._final=e.final)),c.call(this)}function v(e,t,r,n,i,o,a){t.writelen=n,t.writecb=a,t.writing=!0,t.sync=!0,r?e._writev(i,t.onwrite):e._write(i,o,t.onwrite),t.sync=!1}function g(e,t,r,n){r||function(e,t){0===t.length&&t.needDrain&&(t.needDrain=!1,e.emit(\"drain\"))}(e,t),t.pendingcb--,n(),S(e,t)}function m(e,t){t.bufferProcessing=!0;var r=t.bufferedRequest;if(e._writev&&r&&r.next){var n=t.bufferedRequestCount,o=new Array(n),a=t.corkedRequestsFree;a.entry=r;for(var f=0,s=!0;r;)o[f]=r,r.isBuf||(s=!1),r=r.next,f+=1;o.allBuffers=s,v(e,t,!0,t.length,o,\"\",a.finish),t.pendingcb++,t.lastBufferedRequest=null,a.next?(t.corkedRequestsFree=a.next,a.next=null):t.corkedRequestsFree=new i(t),t.bufferedRequestCount=0}else{for(;r;){var c=r.chunk,h=r.encoding,u=r.callback;if(v(e,t,!1,t.objectMode?1:c.length,c,h,u),r=r.next,t.bufferedRequestCount--,t.writing)break}null===r&&(t.lastBufferedRequest=null)}t.bufferedRequest=r,t.bufferProcessing=!1}function _(e){return e.ending&&0===e.length&&null===e.bufferedRequest&&!e.finished&&!e.writing}function w(e,t){e._final(function(r){t.pendingcb--,r&&e.emit(\"error\",r),t.prefinished=!0,e.emit(\"prefinish\"),S(e,t)})}function S(e,t){var r=_(t);return r&&(!function(e,t){t.prefinished||t.finalCalled||(\"function\"==typeof e._final?(t.pendingcb++,t.finalCalled=!0,n.nextTick(w,e,t)):(t.prefinished=!0,e.emit(\"prefinish\")))}(e,t),0===t.pendingcb&&(t.finished=!0,e.emit(\"finish\"))),r}f.inherits(y,c),b.prototype.getBuffer=function(){for(var e=this.bufferedRequest,t=[];e;)t.push(e),e=e.next;return t},function(){try{Object.defineProperty(b.prototype,\"buffer\",{get:s.deprecate(function(){return this.getBuffer()},\"_writableState.buffer is deprecated. Use _writableState.getBuffer instead.\",\"DEP0003\")})}catch(e){}}(),\"function\"==typeof Symbol&&Symbol.hasInstance&&\"function\"==typeof Function.prototype[Symbol.hasInstance]?(d=Function.prototype[Symbol.hasInstance],Object.defineProperty(y,Symbol.hasInstance,{value:function(e){return!!d.call(this,e)||this===y&&(e&&e._writableState instanceof b)}})):d=function(e){return e instanceof this},y.prototype.pipe=function(){this.emit(\"error\",new Error(\"Cannot pipe, not readable\"))},y.prototype.write=function(e,t,r){var i,o=this._writableState,a=!1,f=!o.objectMode&&(i=e,h.isBuffer(i)||i instanceof u);return f&&!h.isBuffer(e)&&(e=function(e){return h.from(e)}(e)),\"function\"==typeof t&&(r=t,t=null),f?t=\"buffer\":t||(t=o.defaultEncoding),\"function\"!=typeof r&&(r=p),o.ended?function(e,t){var r=new Error(\"write after end\");e.emit(\"error\",r),n.nextTick(t,r)}(this,r):(f||function(e,t,r,i){var o=!0,a=!1;return null===r?a=new TypeError(\"May not write null values to stream\"):\"string\"==typeof r||void 0===r||t.objectMode||(a=new TypeError(\"Invalid non-string/buffer chunk\")),a&&(e.emit(\"error\",a),n.nextTick(i,a),o=!1),o}(this,o,e,r))&&(o.pendingcb++,a=function(e,t,r,n,i,o){if(!r){var a=function(e,t,r){e.objectMode||!1===e.decodeStrings||\"string\"!=typeof t||(t=h.from(t,r));return t}(t,n,i);n!==a&&(r=!0,i=\"buffer\",n=a)}var f=t.objectMode?1:n.length;t.length+=f;var s=t.length-1))throw new TypeError(\"Unknown encoding: \"+e);return this._writableState.defaultEncoding=e,this},Object.defineProperty(y.prototype,\"writableHighWaterMark\",{enumerable:!1,get:function(){return this._writableState.highWaterMark}}),y.prototype._write=function(e,t,r){r(new Error(\"_write() is not implemented\"))},y.prototype._writev=null,y.prototype.end=function(e,t,r){var i=this._writableState;\"function\"==typeof e?(r=e,e=null,t=null):\"function\"==typeof t&&(r=t,t=null),null!==e&&void 0!==e&&this.write(e,t),i.corked&&(i.corked=1,this.uncork()),i.ending||i.finished||function(e,t,r){t.ending=!0,S(e,t),r&&(t.finished?n.nextTick(r):e.once(\"finish\",r));t.ended=!0,e.writable=!1}(this,i,r)},Object.defineProperty(y.prototype,\"destroyed\",{get:function(){return void 0!==this._writableState&&this._writableState.destroyed},set:function(e){this._writableState&&(this._writableState.destroyed=e)}}),y.prototype.destroy=l.destroy,y.prototype._undestroy=l.undestroy,y.prototype._destroy=function(e,t){this.end(),t(e)}},function(e,t,r){\"use strict\";var n=r(1).Buffer,i=n.isEncoding||function(e){switch((e=\"\"+e)&&e.toLowerCase()){case\"hex\":case\"utf8\":case\"utf-8\":case\"ascii\":case\"binary\":case\"base64\":case\"ucs2\":case\"ucs-2\":case\"utf16le\":case\"utf-16le\":case\"raw\":return!0;default:return!1}};function o(e){var t;switch(this.encoding=function(e){var t=function(e){if(!e)return\"utf8\";for(var t;;)switch(e){case\"utf8\":case\"utf-8\":return\"utf8\";case\"ucs2\":case\"ucs-2\":case\"utf16le\":case\"utf-16le\":return\"utf16le\";case\"latin1\":case\"binary\":return\"latin1\";case\"base64\":case\"ascii\":case\"hex\":return e;default:if(t)return;e=(\"\"+e).toLowerCase(),t=!0}}(e);if(\"string\"!=typeof t&&(n.isEncoding===i||!i(e)))throw new Error(\"Unknown encoding: \"+e);return t||e}(e),this.encoding){case\"utf16le\":this.text=s,this.end=c,t=4;break;case\"utf8\":this.fillLast=f,t=4;break;case\"base64\":this.text=h,this.end=u,t=3;break;default:return this.write=d,void(this.end=l)}this.lastNeed=0,this.lastTotal=0,this.lastChar=n.allocUnsafe(t)}function a(e){return e<=127?0:e>>5==6?2:e>>4==14?3:e>>3==30?4:e>>6==2?-1:-2}function f(e){var t=this.lastTotal-this.lastNeed,r=function(e,t,r){if(128!=(192&t[0]))return e.lastNeed=0,\"\ufffd\";if(e.lastNeed>1&&t.length>1){if(128!=(192&t[1]))return e.lastNeed=1,\"\ufffd\";if(e.lastNeed>2&&t.length>2&&128!=(192&t[2]))return e.lastNeed=2,\"\ufffd\"}}(this,e);return void 0!==r?r:this.lastNeed<=e.length?(e.copy(this.lastChar,t,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal)):(e.copy(this.lastChar,t,0,e.length),void(this.lastNeed-=e.length))}function s(e,t){if((e.length-t)%2==0){var r=e.toString(\"utf16le\",t);if(r){var n=r.charCodeAt(r.length-1);if(n>=55296&&n<=56319)return this.lastNeed=2,this.lastTotal=4,this.lastChar[0]=e[e.length-2],this.lastChar[1]=e[e.length-1],r.slice(0,-1)}return r}return this.lastNeed=1,this.lastTotal=2,this.lastChar[0]=e[e.length-1],e.toString(\"utf16le\",t,e.length-1)}function c(e){var t=e&&e.length?this.write(e):\"\";if(this.lastNeed){var r=this.lastTotal-this.lastNeed;return t+this.lastChar.toString(\"utf16le\",0,r)}return t}function h(e,t){var r=(e.length-t)%3;return 0===r?e.toString(\"base64\",t):(this.lastNeed=3-r,this.lastTotal=3,1===r?this.lastChar[0]=e[e.length-1]:(this.lastChar[0]=e[e.length-2],this.lastChar[1]=e[e.length-1]),e.toString(\"base64\",t,e.length-r))}function u(e){var t=e&&e.length?this.write(e):\"\";return this.lastNeed?t+this.lastChar.toString(\"base64\",0,3-this.lastNeed):t}function d(e){return e.toString(this.encoding)}function l(e){return e&&e.length?this.write(e):\"\"}t.StringDecoder=o,o.prototype.write=function(e){if(0===e.length)return\"\";var t,r;if(this.lastNeed){if(void 0===(t=this.fillLast(e)))return\"\";r=this.lastNeed,this.lastNeed=0}else r=0;return r=0)return i>0&&(e.lastNeed=i-1),i;if(--n=0)return i>0&&(e.lastNeed=i-2),i;if(--n=0)return i>0&&(2===i?i=0:e.lastNeed=i-3),i;return 0}(this,e,t);if(!this.lastNeed)return e.toString(\"utf8\",t);this.lastTotal=r;var n=e.length-(r-this.lastNeed);return e.copy(this.lastChar,0,n),e.toString(\"utf8\",t,n)},o.prototype.fillLast=function(e){if(this.lastNeed<=e.length)return e.copy(this.lastChar,this.lastTotal-this.lastNeed,0,this.lastNeed),this.lastChar.toString(this.encoding,0,this.lastTotal);e.copy(this.lastChar,this.lastTotal-this.lastNeed,0,e.length),this.lastNeed-=e.length}},function(e,t,r){\"use strict\";var n=r(28).Buffer,i=r(0),o=r(80),a=new Array(16),f=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13],s=[5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11],c=[11,14,15,12,5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6],h=[8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11],u=[0,1518500249,1859775393,2400959708,2840853838],d=[1352829926,1548603684,1836072691,2053994217,0];function l(){o.call(this,64),this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520}function p(e,t){return e<>>32-t}function b(e,t,r,n,i,o,a,f){return p(e+(t^r^n)+o+a|0,f)+i|0}function y(e,t,r,n,i,o,a,f){return p(e+(t&r|~t&n)+o+a|0,f)+i|0}function v(e,t,r,n,i,o,a,f){return p(e+((t|~r)^n)+o+a|0,f)+i|0}function g(e,t,r,n,i,o,a,f){return p(e+(t&n|r&~n)+o+a|0,f)+i|0}function m(e,t,r,n,i,o,a,f){return p(e+(t^(r|~n))+o+a|0,f)+i|0}i(l,o),l.prototype._update=function(){for(var e=a,t=0;t<16;++t)e[t]=this._block.readInt32LE(4*t);for(var r=0|this._a,n=0|this._b,i=0|this._c,o=0|this._d,l=0|this._e,_=0|this._a,w=0|this._b,S=0|this._c,M=0|this._d,E=0|this._e,A=0;A<80;A+=1){var k,x;A<16?(k=b(r,n,i,o,l,e[f[A]],u[0],c[A]),x=m(_,w,S,M,E,e[s[A]],d[0],h[A])):A<32?(k=y(r,n,i,o,l,e[f[A]],u[1],c[A]),x=g(_,w,S,M,E,e[s[A]],d[1],h[A])):A<48?(k=v(r,n,i,o,l,e[f[A]],u[2],c[A]),x=v(_,w,S,M,E,e[s[A]],d[2],h[A])):A<64?(k=g(r,n,i,o,l,e[f[A]],u[3],c[A]),x=y(_,w,S,M,E,e[s[A]],d[3],h[A])):(k=m(r,n,i,o,l,e[f[A]],u[4],c[A]),x=b(_,w,S,M,E,e[s[A]],d[4],h[A])),r=l,l=o,o=p(i,10),i=n,n=k,_=E,E=M,M=p(S,10),S=w,w=x}var B=this._b+i+M|0;this._b=this._c+o+E|0,this._c=this._d+l+_|0,this._d=this._e+r+w|0,this._e=this._a+n+S|0,this._a=B},l.prototype._digest=function(){this._block[this._blockOffset++]=128,this._blockOffset>56&&(this._block.fill(0,this._blockOffset,64),this._update(),this._blockOffset=0),this._block.fill(0,this._blockOffset,56),this._block.writeUInt32LE(this._length[0],56),this._block.writeUInt32LE(this._length[1],60),this._update();var e=n.alloc?n.alloc(20):new n(20);return e.writeInt32LE(this._a,0),e.writeInt32LE(this._b,4),e.writeInt32LE(this._c,8),e.writeInt32LE(this._d,12),e.writeInt32LE(this._e,16),e},e.exports=l},function(e,t,r){(t=e.exports=function(e){e=e.toLowerCase();var r=t[e];if(!r)throw new Error(e+\" is not supported (we accept pull requests)\");return new r}).sha=r(138),t.sha1=r(139),t.sha224=r(140),t.sha256=r(85),t.sha384=r(141),t.sha512=r(86)},function(e,t,r){\"use strict\";t.utils=r(147),t.Cipher=r(148),t.DES=r(149),t.CBC=r(150),t.EDE=r(151)},function(e,t,r){var n=r(152),i=r(160),o=r(96);t.createCipher=t.Cipher=n.createCipher,t.createCipheriv=t.Cipheriv=n.createCipheriv,t.createDecipher=t.Decipher=i.createDecipher,t.createDecipheriv=t.Decipheriv=i.createDecipheriv,t.listCiphers=t.getCiphers=function(){return Object.keys(o)}},function(e,t,r){var n={ECB:r(153),CBC:r(154),CFB:r(155),CFB8:r(156),CFB1:r(157),OFB:r(158),CTR:r(94),GCM:r(94)},i=r(96);for(var o in i)i[o].module=n[i[o].mode];e.exports=i},function(e,t,r){var n=r(6),i=r(20);function o(e,t){var r=function(e){var t=a(e);return{blinder:t.toRed(n.mont(e.modulus)).redPow(new n(e.publicExponent)).fromRed(),unblinder:t.invm(e.modulus)}}(t),i=t.modulus.byteLength(),o=(n.mont(t.modulus),new n(e).mul(r.blinder).umod(t.modulus)),f=o.toRed(n.mont(t.prime1)),s=o.toRed(n.mont(t.prime2)),c=t.coefficient,h=t.prime1,u=t.prime2,d=f.redPow(t.exponent1),l=s.redPow(t.exponent2);d=d.fromRed(),l=l.fromRed();var p=d.isub(l).imul(c).umod(h);return p.imul(u),l.iadd(p),new Buffer(l.imul(r.unblinder).umod(t.modulus).toArray(!1,i))}function a(e){for(var t=e.modulus.byteLength(),r=new n(i(t));r.cmp(e.modulus)>=0||!r.umod(e.prime1)||!r.umod(e.prime2);)r=new n(i(t));return r}e.exports=o,o.getr=a},function(e,t,r){var n=t;n.utils=r(14),n.common=r(32),n.sha=r(177),n.ripemd=r(181),n.hmac=r(182),n.sha1=n.sha.sha1,n.sha256=n.sha.sha256,n.sha224=n.sha.sha224,n.sha384=n.sha.sha384,n.sha512=n.sha.sha512,n.ripemd160=n.ripemd.ripemd160},function(e,t){var r={}.toString;e.exports=Array.isArray||function(e){return\"[object Array]\"==r.call(e)}},function(e,t,r){\"use strict\";var n=r(1).Buffer,i=r(67).Transform;function o(e){i.call(this),this._block=n.allocUnsafe(e),this._blockSize=e,this._blockOffset=0,this._length=[0,0,0,0],this._finalized=!1}r(0)(o,i),o.prototype._transform=function(e,t,r){var n=null;try{this.update(e,t)}catch(e){n=e}r(n)},o.prototype._flush=function(e){var t=null;try{this.push(this.digest())}catch(e){t=e}e(t)},o.prototype.update=function(e,t){if(function(e,t){if(!n.isBuffer(e)&&\"string\"!=typeof e)throw new TypeError(t+\" must be a string or a buffer\")}(e,\"Data\"),this._finalized)throw new Error(\"Digest already called\");n.isBuffer(e)||(e=n.from(e,t));for(var r=this._block,i=0;this._blockOffset+e.length-i>=this._blockSize;){for(var o=this._blockOffset;o0;++a)this._length[a]+=f,(f=this._length[a]/4294967296|0)>0&&(this._length[a]-=4294967296*f);return this},o.prototype._update=function(){throw new Error(\"_update is not implemented\")},o.prototype.digest=function(e){if(this._finalized)throw new Error(\"Digest already called\");this._finalized=!0;var t=this._digest();void 0!==e&&(t=t.toString(e)),this._block.fill(0),this._blockOffset=0;for(var r=0;r<4;++r)this._length[r]=0;return t},o.prototype._digest=function(){throw new Error(\"_digest is not implemented\")},e.exports=o},function(e,t,r){\"use strict\";var n=r(35);e.exports=g;var i,o=r(79);g.ReadableState=v;r(68).EventEmitter;var a=function(e,t){return e.listeners(t).length},f=r(82),s=r(1).Buffer,c=global.Uint8Array||function(){};var h=r(30);h.inherits=r(0);var u=r(129),d=void 0;d=u&&u.debuglog?u.debuglog(\"stream\"):function(){};var l,p=r(130),b=r(83);h.inherits(g,f);var y=[\"error\",\"close\",\"destroy\",\"pause\",\"resume\"];function v(e,t){i=i||r(19),e=e||{};var n=t instanceof i;this.objectMode=!!e.objectMode,n&&(this.objectMode=this.objectMode||!!e.readableObjectMode);var o=e.highWaterMark,a=e.readableHighWaterMark,f=this.objectMode?16:16384;this.highWaterMark=o||0===o?o:n&&(a||0===a)?a:f,this.highWaterMark=Math.floor(this.highWaterMark),this.buffer=new p,this.length=0,this.pipes=null,this.pipesCount=0,this.flowing=null,this.ended=!1,this.endEmitted=!1,this.reading=!1,this.sync=!0,this.needReadable=!1,this.emittedReadable=!1,this.readableListening=!1,this.resumeScheduled=!1,this.destroyed=!1,this.defaultEncoding=e.defaultEncoding||\"utf8\",this.awaitDrain=0,this.readingMore=!1,this.decoder=null,this.encoding=null,e.encoding&&(l||(l=r(71).StringDecoder),this.decoder=new l(e.encoding),this.encoding=e.encoding)}function g(e){if(i=i||r(19),!(this instanceof g))return new g(e);this._readableState=new v(e,this),this.readable=!0,e&&(\"function\"==typeof e.read&&(this._read=e.read),\"function\"==typeof e.destroy&&(this._destroy=e.destroy)),f.call(this)}function m(e,t,r,n,i){var o,a=e._readableState;null===t?(a.reading=!1,function(e,t){if(t.ended)return;if(t.decoder){var r=t.decoder.end();r&&r.length&&(t.buffer.push(r),t.length+=t.objectMode?1:r.length)}t.ended=!0,M(e)}(e,a)):(i||(o=function(e,t){var r;n=t,s.isBuffer(n)||n instanceof c||\"string\"==typeof t||void 0===t||e.objectMode||(r=new TypeError(\"Invalid non-string/buffer chunk\"));var n;return r}(a,t)),o?e.emit(\"error\",o):a.objectMode||t&&t.length>0?(\"string\"==typeof t||a.objectMode||Object.getPrototypeOf(t)===s.prototype||(t=function(e){return s.from(e)}(t)),n?a.endEmitted?e.emit(\"error\",new Error(\"stream.unshift() after end event\")):_(e,a,t,!0):a.ended?e.emit(\"error\",new Error(\"stream.push() after EOF\")):(a.reading=!1,a.decoder&&!r?(t=a.decoder.write(t),a.objectMode||0!==t.length?_(e,a,t,!1):A(e,a)):_(e,a,t,!1))):n||(a.reading=!1));return function(e){return!e.ended&&(e.needReadable||e.lengtht.highWaterMark&&(t.highWaterMark=function(e){return e>=w?e=w:(e--,e|=e>>>1,e|=e>>>2,e|=e>>>4,e|=e>>>8,e|=e>>>16,e++),e}(e)),e<=t.length?e:t.ended?t.length:(t.needReadable=!0,0))}function M(e){var t=e._readableState;t.needReadable=!1,t.emittedReadable||(d(\"emitReadable\",t.flowing),t.emittedReadable=!0,t.sync?n.nextTick(E,e):E(e))}function E(e){d(\"emit readable\"),e.emit(\"readable\"),I(e)}function A(e,t){t.readingMore||(t.readingMore=!0,n.nextTick(k,e,t))}function k(e,t){for(var r=t.length;!t.reading&&!t.flowing&&!t.ended&&t.length=t.length?(r=t.decoder?t.buffer.join(\"\"):1===t.buffer.length?t.buffer.head.data:t.buffer.concat(t.length),t.buffer.clear()):r=function(e,t,r){var n;eo.length?o.length:e;if(a===o.length?i+=o:i+=o.slice(0,e),0===(e-=a)){a===o.length?(++n,r.next?t.head=r.next:t.head=t.tail=null):(t.head=r,r.data=o.slice(a));break}++n}return t.length-=n,i}(e,t):function(e,t){var r=s.allocUnsafe(e),n=t.head,i=1;n.data.copy(r),e-=n.data.length;for(;n=n.next;){var o=n.data,a=e>o.length?o.length:e;if(o.copy(r,r.length-e,0,a),0===(e-=a)){a===o.length?(++i,n.next?t.head=n.next:t.head=t.tail=null):(t.head=n,n.data=o.slice(a));break}++i}return t.length-=i,r}(e,t);return n}(e,t.buffer,t.decoder),r);var r}function P(e){var t=e._readableState;if(t.length>0)throw new Error('\"endReadable()\" called on non-empty stream');t.endEmitted||(t.ended=!0,n.nextTick(T,t,e))}function T(e,t){e.endEmitted||0!==e.length||(e.endEmitted=!0,t.readable=!1,t.emit(\"end\"))}function C(e,t){for(var r=0,n=e.length;r=t.highWaterMark||t.ended))return d(\"read: emitReadable\",t.length,t.ended),0===t.length&&t.ended?P(this):M(this),null;if(0===(e=S(e,t))&&t.ended)return 0===t.length&&P(this),null;var n,i=t.needReadable;return d(\"need readable\",i),(0===t.length||t.length-e0?R(e,t):null)?(t.needReadable=!0,e=0):t.length-=e,0===t.length&&(t.ended||(t.needReadable=!0),r!==e&&t.ended&&P(this)),null!==n&&this.emit(\"data\",n),n},g.prototype._read=function(e){this.emit(\"error\",new Error(\"_read() is not implemented\"))},g.prototype.pipe=function(e,t){var r=this,i=this._readableState;switch(i.pipesCount){case 0:i.pipes=e;break;case 1:i.pipes=[i.pipes,e];break;default:i.pipes.push(e)}i.pipesCount+=1,d(\"pipe count=%d opts=%j\",i.pipesCount,t);var f=(!t||!1!==t.end)&&e!==process.stdout&&e!==process.stderr?c:g;function s(t,n){d(\"onunpipe\"),t===r&&n&&!1===n.hasUnpiped&&(n.hasUnpiped=!0,d(\"cleanup\"),e.removeListener(\"close\",y),e.removeListener(\"finish\",v),e.removeListener(\"drain\",h),e.removeListener(\"error\",b),e.removeListener(\"unpipe\",s),r.removeListener(\"end\",c),r.removeListener(\"end\",g),r.removeListener(\"data\",p),u=!0,!i.awaitDrain||e._writableState&&!e._writableState.needDrain||h())}function c(){d(\"onend\"),e.end()}i.endEmitted?n.nextTick(f):r.once(\"end\",f),e.on(\"unpipe\",s);var h=function(e){return function(){var t=e._readableState;d(\"pipeOnDrain\",t.awaitDrain),t.awaitDrain&&t.awaitDrain--,0===t.awaitDrain&&a(e,\"data\")&&(t.flowing=!0,I(e))}}(r);e.on(\"drain\",h);var u=!1;var l=!1;function p(t){d(\"ondata\"),l=!1,!1!==e.write(t)||l||((1===i.pipesCount&&i.pipes===e||i.pipesCount>1&&-1!==C(i.pipes,e))&&!u&&(d(\"false write response, pause\",r._readableState.awaitDrain),r._readableState.awaitDrain++,l=!0),r.pause())}function b(t){d(\"onerror\",t),g(),e.removeListener(\"error\",b),0===a(e,\"error\")&&e.emit(\"error\",t)}function y(){e.removeListener(\"finish\",v),g()}function v(){d(\"onfinish\"),e.removeListener(\"close\",y),g()}function g(){d(\"unpipe\"),r.unpipe(e)}return r.on(\"data\",p),function(e,t,r){if(\"function\"==typeof e.prependListener)return e.prependListener(t,r);e._events&&e._events[t]?o(e._events[t])?e._events[t].unshift(r):e._events[t]=[r,e._events[t]]:e.on(t,r)}(e,\"error\",b),e.once(\"close\",y),e.once(\"finish\",v),e.emit(\"pipe\",r),i.flowing||(d(\"pipe resume\"),r.resume()),e},g.prototype.unpipe=function(e){var t=this._readableState,r={hasUnpiped:!1};if(0===t.pipesCount)return this;if(1===t.pipesCount)return e&&e!==t.pipes?this:(e||(e=t.pipes),t.pipes=null,t.pipesCount=0,t.flowing=!1,e&&e.emit(\"unpipe\",this,r),this);if(!e){var n=t.pipes,i=t.pipesCount;t.pipes=null,t.pipesCount=0,t.flowing=!1;for(var o=0;o>>2|e<<30)^(e>>>13|e<<19)^(e>>>22|e<<10)}function d(e){return(e>>>6|e<<26)^(e>>>11|e<<21)^(e>>>25|e<<7)}function l(e){return(e>>>7|e<<25)^(e>>>18|e<<14)^e>>>3}n(s,i),s.prototype.init=function(){return this._a=1779033703,this._b=3144134277,this._c=1013904242,this._d=2773480762,this._e=1359893119,this._f=2600822924,this._g=528734635,this._h=1541459225,this},s.prototype._update=function(e){for(var t,r=this._w,n=0|this._a,i=0|this._b,o=0|this._c,f=0|this._d,s=0|this._e,p=0|this._f,b=0|this._g,y=0|this._h,v=0;v<16;++v)r[v]=e.readInt32BE(4*v);for(;v<64;++v)r[v]=0|(((t=r[v-2])>>>17|t<<15)^(t>>>19|t<<13)^t>>>10)+r[v-7]+l(r[v-15])+r[v-16];for(var g=0;g<64;++g){var m=y+d(s)+c(s,p,b)+a[g]+r[g]|0,_=u(n)+h(n,i,o)|0;y=b,b=p,p=s,s=f+m|0,f=o,o=i,i=n,n=m+_|0}this._a=n+this._a|0,this._b=i+this._b|0,this._c=o+this._c|0,this._d=f+this._d|0,this._e=s+this._e|0,this._f=p+this._f|0,this._g=b+this._g|0,this._h=y+this._h|0},s.prototype._hash=function(){var e=o.allocUnsafe(32);return e.writeInt32BE(this._a,0),e.writeInt32BE(this._b,4),e.writeInt32BE(this._c,8),e.writeInt32BE(this._d,12),e.writeInt32BE(this._e,16),e.writeInt32BE(this._f,20),e.writeInt32BE(this._g,24),e.writeInt32BE(this._h,28),e},e.exports=s},function(e,t,r){var n=r(0),i=r(21),o=r(1).Buffer,a=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591],f=new Array(160);function s(){this.init(),this._w=f,i.call(this,128,112)}function c(e,t,r){return r^e&(t^r)}function h(e,t,r){return e&t|r&(e|t)}function u(e,t){return(e>>>28|t<<4)^(t>>>2|e<<30)^(t>>>7|e<<25)}function d(e,t){return(e>>>14|t<<18)^(e>>>18|t<<14)^(t>>>9|e<<23)}function l(e,t){return(e>>>1|t<<31)^(e>>>8|t<<24)^e>>>7}function p(e,t){return(e>>>1|t<<31)^(e>>>8|t<<24)^(e>>>7|t<<25)}function b(e,t){return(e>>>19|t<<13)^(t>>>29|e<<3)^e>>>6}function y(e,t){return(e>>>19|t<<13)^(t>>>29|e<<3)^(e>>>6|t<<26)}function v(e,t){return e>>>0>>0?1:0}n(s,i),s.prototype.init=function(){return this._ah=1779033703,this._bh=3144134277,this._ch=1013904242,this._dh=2773480762,this._eh=1359893119,this._fh=2600822924,this._gh=528734635,this._hh=1541459225,this._al=4089235720,this._bl=2227873595,this._cl=4271175723,this._dl=1595750129,this._el=2917565137,this._fl=725511199,this._gl=4215389547,this._hl=327033209,this},s.prototype._update=function(e){for(var t=this._w,r=0|this._ah,n=0|this._bh,i=0|this._ch,o=0|this._dh,f=0|this._eh,s=0|this._fh,g=0|this._gh,m=0|this._hh,_=0|this._al,w=0|this._bl,S=0|this._cl,M=0|this._dl,E=0|this._el,A=0|this._fl,k=0|this._gl,x=0|this._hl,B=0;B<32;B+=2)t[B]=e.readInt32BE(4*B),t[B+1]=e.readInt32BE(4*B+4);for(;B<160;B+=2){var I=t[B-30],R=t[B-30+1],P=l(I,R),T=p(R,I),C=b(I=t[B-4],R=t[B-4+1]),j=y(R,I),O=t[B-14],U=t[B-14+1],D=t[B-32],L=t[B-32+1],N=T+U|0,q=P+O+v(N,T)|0;q=(q=q+C+v(N=N+j|0,j)|0)+D+v(N=N+L|0,L)|0,t[B]=q,t[B+1]=N}for(var z=0;z<160;z+=2){q=t[z],N=t[z+1];var K=h(r,n,i),F=h(_,w,S),H=u(r,_),Y=u(_,r),W=d(f,E),V=d(E,f),X=a[z],J=a[z+1],G=c(f,s,g),Z=c(E,A,k),$=x+V|0,Q=m+W+v($,x)|0;Q=(Q=(Q=Q+G+v($=$+Z|0,Z)|0)+X+v($=$+J|0,J)|0)+q+v($=$+N|0,N)|0;var ee=Y+F|0,te=H+K+v(ee,Y)|0;m=g,x=k,g=s,k=A,s=f,A=E,f=o+Q+v(E=M+$|0,M)|0,o=i,M=S,i=n,S=w,n=r,w=_,r=Q+te+v(_=$+ee|0,$)|0}this._al=this._al+_|0,this._bl=this._bl+w|0,this._cl=this._cl+S|0,this._dl=this._dl+M|0,this._el=this._el+E|0,this._fl=this._fl+A|0,this._gl=this._gl+k|0,this._hl=this._hl+x|0,this._ah=this._ah+r+v(this._al,_)|0,this._bh=this._bh+n+v(this._bl,w)|0,this._ch=this._ch+i+v(this._cl,S)|0,this._dh=this._dh+o+v(this._dl,M)|0,this._eh=this._eh+f+v(this._el,E)|0,this._fh=this._fh+s+v(this._fl,A)|0,this._gh=this._gh+g+v(this._gl,k)|0,this._hh=this._hh+m+v(this._hl,x)|0},s.prototype._hash=function(){var e=o.allocUnsafe(64);function t(t,r,n){e.writeInt32BE(t,n),e.writeInt32BE(r,n+4)}return t(this._ah,this._al,0),t(this._bh,this._bl,8),t(this._ch,this._cl,16),t(this._dh,this._dl,24),t(this._eh,this._el,32),t(this._fh,this._fl,40),t(this._gh,this._gl,48),t(this._hh,this._hl,56),e},e.exports=s},function(e,t,r){\"use strict\";var n=r(0),i=r(142),o=r(17),a=r(1).Buffer,f=r(88),s=r(72),c=r(73),h=a.alloc(128);function u(e,t){o.call(this,\"digest\"),\"string\"==typeof t&&(t=a.from(t));var r=\"sha512\"===e||\"sha384\"===e?128:64;(this._alg=e,this._key=t,t.length>r)?t=(\"rmd160\"===e?new s:c(e)).update(t).digest():t.lengthr||o!=o)throw new TypeError(\"Bad key length\")}},function(e,t){var r;process.browser?r=\"utf-8\":r=parseInt(process.version.split(\".\")[0].slice(1),10)>=6?\"utf-8\":\"binary\";e.exports=r},function(e,t,r){var n=r(88),i=r(72),o=r(73),a=r(91),f=r(92),s=r(1).Buffer,c=s.alloc(128),h={md5:16,sha1:20,sha224:28,sha256:32,sha384:48,sha512:64,rmd160:20,ripemd160:20};function u(e,t,r){var a=function(e){return\"rmd160\"===e||\"ripemd160\"===e?function(e){return(new i).update(e).digest()}:\"md5\"===e?n:function(t){return o(e).update(t).digest()}}(e),f=\"sha512\"===e||\"sha384\"===e?128:64;t.length>f?t=a(t):t.lengthe;)r.ishrn(1);if(r.isEven()&&r.iadd(f),r.testn(1)||r.iadd(s),t.cmp(s)){if(!t.cmp(c))for(;r.mod(h).cmp(u);)r.iadd(l)}else for(;r.mod(o).cmp(d);)r.iadd(l);if(y(p=r.shrn(1))&&y(r)&&v(p)&&v(r)&&a.test(p)&&a.test(r))return r}}},function(e,t,r){var n=r(6),i=r(101);function o(e){this.rand=e||new i.Rand}e.exports=o,o.create=function(e){return new o(e)},o.prototype._randbelow=function(e){var t=e.bitLength(),r=Math.ceil(t/8);do{var i=new n(this.rand.generate(r))}while(i.cmp(e)>=0);return i},o.prototype._randrange=function(e,t){var r=t.sub(e);return e.add(this._randbelow(r))},o.prototype.test=function(e,t,r){var i=e.bitLength(),o=n.mont(e),a=new n(1).toRed(o);t||(t=Math.max(1,i/48|0));for(var f=e.subn(1),s=0;!f.testn(s);s++);for(var c=e.shrn(s),h=f.toRed(o);t>0;t--){var u=this._randrange(new n(2),f);r&&r(u);var d=u.toRed(o).redPow(c);if(0!==d.cmp(a)&&0!==d.cmp(h)){for(var l=1;l0;t--){var h=this._randrange(new n(2),a),u=e.gcd(h);if(0!==u.cmpn(1))return u;var d=h.toRed(i).redPow(s);if(0!==d.cmp(o)&&0!==d.cmp(c)){for(var l=1;l>8,a=255&i;o?r.push(o,a):r.push(a)}return r},n.zero2=i,n.toHex=o,n.encode=function(e,t){return\"hex\"===t?o(e):e}},function(e,t,r){\"use strict\";var n=r(14).rotr32;function i(e,t,r){return e&t^~e&r}function o(e,t,r){return e&t^e&r^t&r}function a(e,t,r){return e^t^r}t.ft_1=function(e,t,r,n){return 0===e?i(t,r,n):1===e||3===e?a(t,r,n):2===e?o(t,r,n):void 0},t.ch32=i,t.maj32=o,t.p32=a,t.s0_256=function(e){return n(e,2)^n(e,13)^n(e,22)},t.s1_256=function(e){return n(e,6)^n(e,11)^n(e,25)},t.g0_256=function(e){return n(e,7)^n(e,18)^e>>>3},t.g1_256=function(e){return n(e,17)^n(e,19)^e>>>10}},function(e,t,r){\"use strict\";var n=r(14),i=r(32),o=r(103),a=r(11),f=n.sum32,s=n.sum32_4,c=n.sum32_5,h=o.ch32,u=o.maj32,d=o.s0_256,l=o.s1_256,p=o.g0_256,b=o.g1_256,y=i.BlockHash,v=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298];function g(){if(!(this instanceof g))return new g;y.call(this),this.h=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225],this.k=v,this.W=new Array(64)}n.inherits(g,y),e.exports=g,g.blockSize=512,g.outSize=256,g.hmacStrength=192,g.padLength=64,g.prototype._update=function(e,t){for(var r=this.W,n=0;n<16;n++)r[n]=e[t+n];for(;n>6],i=0==(32&r);if(31==(31&r)){var o=r;for(r=0;128==(128&o);){if(o=e.readUInt8(t),e.isError(o))return o;r<<=7,r|=127&o}}else r&=31;return{cls:n,primitive:i,tag:r,tagStr:f.tag[r]}}function u(e,t,r){var n=e.readUInt8(r);if(e.isError(n))return n;if(!t&&128===n)return null;if(0==(128&n))return n;var i=127&n;if(i>4)return e.error(\"length octect is too long\");n=0;for(var o=0;o=31)return n.error(\"Multi-octet tag encoding unsupported\");t||(i|=32);return i|=f.tagClassByName[r||\"universal\"]<<6}(e,t,r,this.reporter);if(n.length<128)return(o=new i(2))[0]=a,o[1]=n.length,this._createEncoderBuffer([o,n]);for(var s=1,c=n.length;c>=256;c>>=8)s++;(o=new i(2+s))[0]=a,o[1]=128|s;c=1+s;for(var h=n.length;h>0;c--,h>>=8)o[c]=255&h;return this._createEncoderBuffer([o,n])},c.prototype._encodeStr=function(e,t){if(\"bitstr\"===t)return this._createEncoderBuffer([0|e.unused,e.data]);if(\"bmpstr\"===t){for(var r=new i(2*e.length),n=0;n=40)return this.reporter.error(\"Second objid identifier OOB\");e.splice(0,2,40*e[0]+e[1])}var o=0;for(n=0;n=128;a>>=7)o++}var f=new i(o),s=f.length-1;for(n=e.length-1;n>=0;n--){a=e[n];for(f[s--]=127&a;(a>>=7)>0;)f[s--]=128|127&a}return this._createEncoderBuffer(f)},c.prototype._encodeTime=function(e,t){var r,n=new Date(e);return\"gentime\"===t?r=[h(n.getFullYear()),h(n.getUTCMonth()+1),h(n.getUTCDate()),h(n.getUTCHours()),h(n.getUTCMinutes()),h(n.getUTCSeconds()),\"Z\"].join(\"\"):\"utctime\"===t?r=[h(n.getFullYear()%100),h(n.getUTCMonth()+1),h(n.getUTCDate()),h(n.getUTCHours()),h(n.getUTCMinutes()),h(n.getUTCSeconds()),\"Z\"].join(\"\"):this.reporter.error(\"Encoding \"+t+\" time is not supported yet\"),this._encodeStr(r,\"octstr\")},c.prototype._encodeNull=function(){return this._createEncoderBuffer(\"\")},c.prototype._encodeInt=function(e,t){if(\"string\"==typeof e){if(!t)return this.reporter.error(\"String int or enum given, but no values map\");if(!t.hasOwnProperty(e))return this.reporter.error(\"Values map doesn't contain: \"+JSON.stringify(e));e=t[e]}if(\"number\"!=typeof e&&!i.isBuffer(e)){var r=e.toArray();!e.sign&&128&r[0]&&r.unshift(0),e=new i(r)}if(i.isBuffer(e)){var n=e.length;0===e.length&&n++;var o=new i(n);return e.copy(o),0===e.length&&(o[0]=0),this._createEncoderBuffer(o)}if(e<128)return this._createEncoderBuffer(e);if(e<256)return this._createEncoderBuffer([0,e]);n=1;for(var a=e;a>=256;a>>=8)n++;for(a=(o=new Array(n)).length-1;a>=0;a--)o[a]=255&e,e>>=8;return 128&o[0]&&o.unshift(0),this._createEncoderBuffer(new i(o))},c.prototype._encodeBool=function(e){return this._createEncoderBuffer(e?255:0)},c.prototype._use=function(e,t){return\"function\"==typeof e&&(e=e(t)),e._getEncoder(\"der\").tree},c.prototype._skipDefault=function(e,t,r){var n,i=this._baseState;if(null===i.default)return!1;var o=e.join();if(void 0===i.defaultBuffer&&(i.defaultBuffer=this._encodeValue(i.default,t,r).join()),o.length!==i.defaultBuffer.length)return!1;for(n=0;n>>31}var u=(n<<5|n>>>27)+f+s[c];u+=c<20?1518500249+(i&o|~i&a):c<40?1859775393+(i^o^a):c<60?(i&o|i&a|o&a)-1894007588:(i^o^a)-899497514,f=a,a=o,o=i<<30|i>>>2,i=n,n=u}r[0]=r[0]+n|0,r[1]=r[1]+i|0,r[2]=r[2]+o|0,r[3]=r[3]+a|0,r[4]=r[4]+f|0},_doFinalize:function(){var e=this._data,t=e.words,r=8*this._nDataBytes,n=8*e.sigBytes;return t[n>>>5]|=128<<24-n%32,t[14+(n+64>>>9<<4)]=Math.floor(r/4294967296),t[15+(n+64>>>9<<4)]=r,e.sigBytes=4*t.length,this._process(),this._hash},clone:function(){var e=f.clone.call(this);return e._hash=this._hash.clone(),e}}),i.SHA1=f._createHelper(c),i.HmacSHA1=f._createHmacHelper(c),n.SHA1)},function(e,t,r){var n;e.exports=(n=n||function(e,t){var n;if(\"undefined\"!=typeof window&&window.crypto&&(n=window.crypto),!n&&\"undefined\"!=typeof window&&window.msCrypto&&(n=window.msCrypto),!n&&\"undefined\"!=typeof global&&global.crypto&&(n=global.crypto),!n)try{n=r(126)}catch(e){}var i=function(){if(n){if(\"function\"==typeof n.getRandomValues)try{return n.getRandomValues(new Uint32Array(1))[0]}catch(e){}if(\"function\"==typeof n.randomBytes)try{return n.randomBytes(4).readInt32LE()}catch(e){}}throw new Error(\"Native crypto module could not be used to get secure random number.\")},o=Object.create||function(){function e(){}return function(t){var r;return e.prototype=t,r=new e,e.prototype=null,r}}(),a={},f=a.lib={},s=f.Base={extend:function(e){var t=o(this);return e&&t.mixIn(e),t.hasOwnProperty(\"init\")&&this.init!==t.init||(t.init=function(){t.$super.init.apply(this,arguments)}),t.init.prototype=t,t.$super=this,t},create:function(){var e=this.extend();return e.init.apply(e,arguments),e},init:function(){},mixIn:function(e){for(var t in e)e.hasOwnProperty(t)&&(this[t]=e[t]);e.hasOwnProperty(\"toString\")&&(this.toString=e.toString)},clone:function(){return this.init.prototype.extend(this)}},c=f.WordArray=s.extend({init:function(e,t){e=this.words=e||[],this.sigBytes=void 0!=t?t:4*e.length},toString:function(e){return(e||u).stringify(this)},concat:function(e){var t=this.words,r=e.words,n=this.sigBytes,i=e.sigBytes;if(this.clamp(),n%4)for(var o=0;o>>2]>>>24-o%4*8&255;t[n+o>>>2]|=a<<24-(n+o)%4*8}else for(var o=0;o>>2]=r[o>>>2];return this.sigBytes+=i,this},clamp:function(){var t=this.words,r=this.sigBytes;t[r>>>2]&=4294967295<<32-r%4*8,t.length=e.ceil(r/4)},clone:function(){var e=s.clone.call(this);return e.words=this.words.slice(0),e},random:function(e){for(var t=[],r=0;r>>2]>>>24-i%4*8&255;n.push((o>>>4).toString(16)),n.push((15&o).toString(16))}return n.join(\"\")},parse:function(e){for(var t=e.length,r=[],n=0;n>>3]|=parseInt(e.substr(n,2),16)<<24-n%8*4;return new c.init(r,t/2)}},d=h.Latin1={stringify:function(e){for(var t=e.words,r=e.sigBytes,n=[],i=0;i>>2]>>>24-i%4*8&255;n.push(String.fromCharCode(o))}return n.join(\"\")},parse:function(e){for(var t=e.length,r=[],n=0;n>>2]|=(255&e.charCodeAt(n))<<24-n%4*8;return new c.init(r,t)}},l=h.Utf8={stringify:function(e){try{return decodeURIComponent(escape(d.stringify(e)))}catch(e){throw new Error(\"Malformed UTF-8 data\")}},parse:function(e){return d.parse(unescape(encodeURIComponent(e)))}},p=f.BufferedBlockAlgorithm=s.extend({reset:function(){this._data=new c.init,this._nDataBytes=0},_append:function(e){\"string\"==typeof e&&(e=l.parse(e)),this._data.concat(e),this._nDataBytes+=e.sigBytes},_process:function(t){var r,n=this._data,i=n.words,o=n.sigBytes,a=this.blockSize,f=4*a,s=o/f,h=(s=t?e.ceil(s):e.max((0|s)-this._minBufferSize,0))*a,u=e.min(4*h,o);if(h){for(var d=0;d0?n-4:n,u=0;u>16&255,f[s++]=t>>8&255,f[s++]=255&t;2===a&&(t=i[e.charCodeAt(u)]<<2|i[e.charCodeAt(u+1)]>>4,f[s++]=255&t);1===a&&(t=i[e.charCodeAt(u)]<<10|i[e.charCodeAt(u+1)]<<4|i[e.charCodeAt(u+2)]>>2,f[s++]=t>>8&255,f[s++]=255&t);return f},t.fromByteArray=function(e){for(var t,r=e.length,i=r%3,o=[],a=0,f=r-i;af?f:a+16383));1===i?(t=e[r-1],o.push(n[t>>2]+n[t<<4&63]+\"==\")):2===i&&(t=(e[r-2]<<8)+e[r-1],o.push(n[t>>10]+n[t>>4&63]+n[t<<2&63]+\"=\"));return o.join(\"\")};for(var n=[],i=[],o=\"undefined\"!=typeof Uint8Array?Uint8Array:Array,a=\"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\",f=0,s=a.length;f0)throw new Error(\"Invalid string. Length must be a multiple of 4\");var r=e.indexOf(\"=\");return-1===r&&(r=t),[r,r===t?0:4-r%4]}function h(e,t,r){for(var i,o,a=[],f=t;f>18&63]+n[o>>12&63]+n[o>>6&63]+n[63&o]);return a.join(\"\")}i[\"-\".charCodeAt(0)]=62,i[\"_\".charCodeAt(0)]=63},function(e,t){t.read=function(e,t,r,n,i){var o,a,f=8*i-n-1,s=(1<>1,h=-7,u=r?i-1:0,d=r?-1:1,l=e[t+u];for(u+=d,o=l&(1<<-h)-1,l>>=-h,h+=f;h>0;o=256*o+e[t+u],u+=d,h-=8);for(a=o&(1<<-h)-1,o>>=-h,h+=n;h>0;a=256*a+e[t+u],u+=d,h-=8);if(0===o)o=1-c;else{if(o===s)return a?NaN:1/0*(l?-1:1);a+=Math.pow(2,n),o-=c}return(l?-1:1)*a*Math.pow(2,o-n)},t.write=function(e,t,r,n,i,o){var a,f,s,c=8*o-i-1,h=(1<>1,d=23===i?Math.pow(2,-24)-Math.pow(2,-77):0,l=n?0:o-1,p=n?1:-1,b=t<0||0===t&&1/t<0?1:0;for(t=Math.abs(t),isNaN(t)||t===1/0?(f=isNaN(t)?1:0,a=h):(a=Math.floor(Math.log(t)/Math.LN2),t*(s=Math.pow(2,-a))<1&&(a--,s*=2),(t+=a+u>=1?d/s:d*Math.pow(2,1-u))*s>=2&&(a++,s/=2),a+u>=h?(f=0,a=h):a+u>=1?(f=(t*s-1)*Math.pow(2,i),a+=u):(f=t*Math.pow(2,u-1)*Math.pow(2,i),a=0));i>=8;e[r+l]=255&f,l+=p,f/=256,i-=8);for(a=a<0;e[r+l]=255&a,l+=p,a/=256,c-=8);e[r+l-p]|=128*b}},function(e,t){},function(e,t,r){\"use strict\";var n=r(1).Buffer,i=r(131);e.exports=function(){function e(){!function(e,t){if(!(e instanceof t))throw new TypeError(\"Cannot call a class as a function\")}(this,e),this.head=null,this.tail=null,this.length=0}return e.prototype.push=function(e){var t={data:e,next:null};this.length>0?this.tail.next=t:this.head=t,this.tail=t,++this.length},e.prototype.unshift=function(e){var t={data:e,next:this.head};0===this.length&&(this.tail=t),this.head=t,++this.length},e.prototype.shift=function(){if(0!==this.length){var e=this.head.data;return 1===this.length?this.head=this.tail=null:this.head=this.head.next,--this.length,e}},e.prototype.clear=function(){this.head=this.tail=null,this.length=0},e.prototype.join=function(e){if(0===this.length)return\"\";for(var t=this.head,r=\"\"+t.data;t=t.next;)r+=e+t.data;return r},e.prototype.concat=function(e){if(0===this.length)return n.alloc(0);if(1===this.length)return this.head.data;for(var t,r,i,o=n.allocUnsafe(e>>>0),a=this.head,f=0;a;)t=a.data,r=o,i=f,t.copy(r,i),f+=a.data.length,a=a.next;return o},e}(),i&&i.inspect&&i.inspect.custom&&(e.exports.prototype[i.inspect.custom]=function(){var e=i.inspect({length:this.length});return this.constructor.name+\" \"+e})},function(e,t){},function(e,t){function r(e){try{if(!global.localStorage)return!1}catch(e){return!1}var t=global.localStorage[e];return null!=t&&\"true\"===String(t).toLowerCase()}e.exports=function(e,t){if(r(\"noDeprecation\"))return e;var n=!1;return function(){if(!n){if(r(\"throwDeprecation\"))throw new Error(t);r(\"traceDeprecation\")?console.trace(t):console.warn(t),n=!0}return e.apply(this,arguments)}}},function(e,t,r){\"use strict\";e.exports=o;var n=r(84),i=r(30);function o(e){if(!(this instanceof o))return new o(e);n.call(this,e)}i.inherits=r(0),i.inherits(o,n),o.prototype._transform=function(e,t,r){r(null,e)}},function(e,t,r){e.exports=r(70)},function(e,t,r){e.exports=r(19)},function(e,t,r){e.exports=r(69).Transform},function(e,t,r){e.exports=r(69).PassThrough},function(e,t,r){var n=r(0),i=r(21),o=r(1).Buffer,a=[1518500249,1859775393,-1894007588,-899497514],f=new Array(80);function s(){this.init(),this._w=f,i.call(this,64,56)}function c(e){return e<<30|e>>>2}function h(e,t,r,n){return 0===e?t&r|~t&n:2===e?t&r|t&n|r&n:t^r^n}n(s,i),s.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},s.prototype._update=function(e){for(var t,r=this._w,n=0|this._a,i=0|this._b,o=0|this._c,f=0|this._d,s=0|this._e,u=0;u<16;++u)r[u]=e.readInt32BE(4*u);for(;u<80;++u)r[u]=r[u-3]^r[u-8]^r[u-14]^r[u-16];for(var d=0;d<80;++d){var l=~~(d/20),p=0|((t=n)<<5|t>>>27)+h(l,i,o,f)+s+r[d]+a[l];s=f,f=o,o=c(i),i=n,n=p}this._a=n+this._a|0,this._b=i+this._b|0,this._c=o+this._c|0,this._d=f+this._d|0,this._e=s+this._e|0},s.prototype._hash=function(){var e=o.allocUnsafe(20);return e.writeInt32BE(0|this._a,0),e.writeInt32BE(0|this._b,4),e.writeInt32BE(0|this._c,8),e.writeInt32BE(0|this._d,12),e.writeInt32BE(0|this._e,16),e},e.exports=s},function(e,t,r){var n=r(0),i=r(21),o=r(1).Buffer,a=[1518500249,1859775393,-1894007588,-899497514],f=new Array(80);function s(){this.init(),this._w=f,i.call(this,64,56)}function c(e){return e<<5|e>>>27}function h(e){return e<<30|e>>>2}function u(e,t,r,n){return 0===e?t&r|~t&n:2===e?t&r|t&n|r&n:t^r^n}n(s,i),s.prototype.init=function(){return this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878,this._e=3285377520,this},s.prototype._update=function(e){for(var t,r=this._w,n=0|this._a,i=0|this._b,o=0|this._c,f=0|this._d,s=0|this._e,d=0;d<16;++d)r[d]=e.readInt32BE(4*d);for(;d<80;++d)r[d]=(t=r[d-3]^r[d-8]^r[d-14]^r[d-16])<<1|t>>>31;for(var l=0;l<80;++l){var p=~~(l/20),b=c(n)+u(p,i,o,f)+s+r[l]+a[p]|0;s=f,f=o,o=h(i),i=n,n=b}this._a=n+this._a|0,this._b=i+this._b|0,this._c=o+this._c|0,this._d=f+this._d|0,this._e=s+this._e|0},s.prototype._hash=function(){var e=o.allocUnsafe(20);return e.writeInt32BE(0|this._a,0),e.writeInt32BE(0|this._b,4),e.writeInt32BE(0|this._c,8),e.writeInt32BE(0|this._d,12),e.writeInt32BE(0|this._e,16),e},e.exports=s},function(e,t,r){var n=r(0),i=r(85),o=r(21),a=r(1).Buffer,f=new Array(64);function s(){this.init(),this._w=f,o.call(this,64,56)}n(s,i),s.prototype.init=function(){return this._a=3238371032,this._b=914150663,this._c=812702999,this._d=4144912697,this._e=4290775857,this._f=1750603025,this._g=1694076839,this._h=3204075428,this},s.prototype._hash=function(){var e=a.allocUnsafe(28);return e.writeInt32BE(this._a,0),e.writeInt32BE(this._b,4),e.writeInt32BE(this._c,8),e.writeInt32BE(this._d,12),e.writeInt32BE(this._e,16),e.writeInt32BE(this._f,20),e.writeInt32BE(this._g,24),e},e.exports=s},function(e,t,r){var n=r(0),i=r(86),o=r(21),a=r(1).Buffer,f=new Array(160);function s(){this.init(),this._w=f,o.call(this,128,112)}n(s,i),s.prototype.init=function(){return this._ah=3418070365,this._bh=1654270250,this._ch=2438529370,this._dh=355462360,this._eh=1731405415,this._fh=2394180231,this._gh=3675008525,this._hh=1203062813,this._al=3238371032,this._bl=914150663,this._cl=812702999,this._dl=4144912697,this._el=4290775857,this._fl=1750603025,this._gl=1694076839,this._hl=3204075428,this},s.prototype._hash=function(){var e=a.allocUnsafe(48);function t(t,r,n){e.writeInt32BE(t,n),e.writeInt32BE(r,n+4)}return t(this._ah,this._al,0),t(this._bh,this._bl,8),t(this._ch,this._cl,16),t(this._dh,this._dl,24),t(this._eh,this._el,32),t(this._fh,this._fl,40),e},e.exports=s},function(e,t,r){\"use strict\";var n=r(0),i=r(1).Buffer,o=r(17),a=i.alloc(128),f=64;function s(e,t){o.call(this,\"digest\"),\"string\"==typeof t&&(t=i.from(t)),this._alg=e,this._key=t,t.length>f?t=e(t):t.length>>0},t.writeUInt32BE=function(e,t,r){e[0+r]=t>>>24,e[1+r]=t>>>16&255,e[2+r]=t>>>8&255,e[3+r]=255&t},t.ip=function(e,t,r,n){for(var i=0,o=0,a=6;a>=0;a-=2){for(var f=0;f<=24;f+=8)i<<=1,i|=t>>>f+a&1;for(f=0;f<=24;f+=8)i<<=1,i|=e>>>f+a&1}for(a=6;a>=0;a-=2){for(f=1;f<=25;f+=8)o<<=1,o|=t>>>f+a&1;for(f=1;f<=25;f+=8)o<<=1,o|=e>>>f+a&1}r[n+0]=i>>>0,r[n+1]=o>>>0},t.rip=function(e,t,r,n){for(var i=0,o=0,a=0;a<4;a++)for(var f=24;f>=0;f-=8)i<<=1,i|=t>>>f+a&1,i<<=1,i|=e>>>f+a&1;for(a=4;a<8;a++)for(f=24;f>=0;f-=8)o<<=1,o|=t>>>f+a&1,o<<=1,o|=e>>>f+a&1;r[n+0]=i>>>0,r[n+1]=o>>>0},t.pc1=function(e,t,r,n){for(var i=0,o=0,a=7;a>=5;a--){for(var f=0;f<=24;f+=8)i<<=1,i|=t>>f+a&1;for(f=0;f<=24;f+=8)i<<=1,i|=e>>f+a&1}for(f=0;f<=24;f+=8)i<<=1,i|=t>>f+a&1;for(a=1;a<=3;a++){for(f=0;f<=24;f+=8)o<<=1,o|=t>>f+a&1;for(f=0;f<=24;f+=8)o<<=1,o|=e>>f+a&1}for(f=0;f<=24;f+=8)o<<=1,o|=e>>f+a&1;r[n+0]=i>>>0,r[n+1]=o>>>0},t.r28shl=function(e,t){return e<>>28-t};var n=[14,11,17,4,27,23,25,0,13,22,7,18,5,9,16,24,2,20,12,21,1,8,15,26,15,4,25,19,9,1,26,16,5,11,23,8,12,7,17,0,22,3,10,14,6,20,27,24];t.pc2=function(e,t,r,i){for(var o=0,a=0,f=n.length>>>1,s=0;s>>n[s]&1;for(s=f;s>>n[s]&1;r[i+0]=o>>>0,r[i+1]=a>>>0},t.expand=function(e,t,r){var n=0,i=0;n=(1&e)<<5|e>>>27;for(var o=23;o>=15;o-=4)n<<=6,n|=e>>>o&63;for(o=11;o>=3;o-=4)i|=e>>>o&63,i<<=6;i|=(31&e)<<1|e>>>31,t[r+0]=n>>>0,t[r+1]=i>>>0};var i=[14,0,4,15,13,7,1,4,2,14,15,2,11,13,8,1,3,10,10,6,6,12,12,11,5,9,9,5,0,3,7,8,4,15,1,12,14,8,8,2,13,4,6,9,2,1,11,7,15,5,12,11,9,3,7,14,3,10,10,0,5,6,0,13,15,3,1,13,8,4,14,7,6,15,11,2,3,8,4,14,9,12,7,0,2,1,13,10,12,6,0,9,5,11,10,5,0,13,14,8,7,10,11,1,10,3,4,15,13,4,1,2,5,11,8,6,12,7,6,12,9,0,3,5,2,14,15,9,10,13,0,7,9,0,14,9,6,3,3,4,15,6,5,10,1,2,13,8,12,5,7,14,11,12,4,11,2,15,8,1,13,1,6,10,4,13,9,0,8,6,15,9,3,8,0,7,11,4,1,15,2,14,12,3,5,11,10,5,14,2,7,12,7,13,13,8,14,11,3,5,0,6,6,15,9,0,10,3,1,4,2,7,8,2,5,12,11,1,12,10,4,14,15,9,10,3,6,15,9,0,0,6,12,10,11,1,7,13,13,8,15,9,1,4,3,5,14,11,5,12,2,7,8,2,4,14,2,14,12,11,4,2,1,12,7,4,10,7,11,13,6,1,8,5,5,0,3,15,15,10,13,3,0,9,14,8,9,6,4,11,2,8,1,12,11,7,10,1,13,14,7,2,8,13,15,6,9,15,12,0,5,9,6,10,3,4,0,5,14,3,12,10,1,15,10,4,15,2,9,7,2,12,6,9,8,5,0,6,13,1,3,13,4,14,14,0,7,11,5,3,11,8,9,4,14,3,15,2,5,12,2,9,8,5,12,15,3,10,7,11,0,14,4,1,10,7,1,6,13,0,11,8,6,13,4,13,11,0,2,11,14,7,15,4,0,9,8,1,13,10,3,14,12,3,9,5,7,12,5,2,10,15,6,8,1,6,1,6,4,11,11,13,13,8,12,1,3,4,7,10,14,7,10,9,15,5,6,0,8,15,0,14,5,2,9,3,2,12,13,1,2,15,8,13,4,8,6,10,15,3,11,7,1,4,10,12,9,5,3,6,14,11,5,0,0,14,12,9,7,2,7,2,11,1,4,14,1,7,9,4,12,10,14,8,2,13,0,15,6,12,10,9,13,0,15,3,3,5,5,6,8,11];t.substitute=function(e,t){for(var r=0,n=0;n<4;n++){r<<=4,r|=i[64*n+(e>>>18-6*n&63)]}for(n=0;n<4;n++){r<<=4,r|=i[256+64*n+(t>>>18-6*n&63)]}return r>>>0};var o=[16,25,12,11,3,20,4,15,31,17,9,6,27,14,1,22,30,24,8,18,0,5,29,23,13,19,2,26,10,21,28,7];t.permute=function(e){for(var t=0,r=0;r>>o[r]&1;return t>>>0},t.padSplit=function(e,t,r){for(var n=e.toString(2);n.length0;n--)t+=this._buffer(e,t),r+=this._flushBuffer(i,r);return t+=this._buffer(e,t),i},i.prototype.final=function(e){var t,r;return e&&(t=this.update(e)),r=\"encrypt\"===this.type?this._finalEncrypt():this._finalDecrypt(),t?t.concat(r):r},i.prototype._pad=function(e,t){if(0===t)return!1;for(;t>>1];r=a.r28shl(r,f),i=a.r28shl(i,f),a.pc2(r,i,e.keys,o)}},s.prototype._update=function(e,t,r,n){var i=this._desState,o=a.readUInt32BE(e,t),f=a.readUInt32BE(e,t+4);a.ip(o,f,i.tmp,0),o=i.tmp[0],f=i.tmp[1],\"encrypt\"===this.type?this._encrypt(i,o,f,i.tmp,0):this._decrypt(i,o,f,i.tmp,0),o=i.tmp[0],f=i.tmp[1],a.writeUInt32BE(r,o,n),a.writeUInt32BE(r,f,n+4)},s.prototype._pad=function(e,t){for(var r=e.length-t,n=t;n>>0,o=d}a.rip(f,o,n,i)},s.prototype._decrypt=function(e,t,r,n,i){for(var o=r,f=t,s=e.keys.length-2;s>=0;s-=2){var c=e.keys[s],h=e.keys[s+1];a.expand(o,e.tmp,0),c^=e.tmp[0],h^=e.tmp[1];var u=a.substitute(c,h),d=o;o=(f^a.permute(u))>>>0,f=d}a.rip(o,f,n,i)}},function(e,t,r){\"use strict\";var n=r(11),i=r(0),o={};t.instantiate=function(e){function t(t){e.call(this,t),this._cbcInit()}i(t,e);for(var r=Object.keys(o),n=0;n15){var e=this.cache.slice(0,16);return this.cache=this.cache.slice(16),e}return null},d.prototype.flush=function(){for(var e=16-this.cache.length,t=o.allocUnsafe(e),r=-1;++r>f%8,e._prev=o(e._prev,r?i:a);return s}function o(e,t){var r=e.length,i=-1,o=n.allocUnsafe(e.length);for(e=n.concat([e,n.from([t])]);++i>7;return o}t.encrypt=function(e,t,r){for(var o=t.length,a=n.allocUnsafe(o),f=-1;++f>>0,0),t.writeUInt32BE(e[1]>>>0,4),t.writeUInt32BE(e[2]>>>0,8),t.writeUInt32BE(e[3]>>>0,12),t}function a(e){this.h=e,this.state=n.alloc(16,0),this.cache=n.allocUnsafe(0)}a.prototype.ghash=function(e){for(var t=-1;++t0;t--)n[t]=n[t]>>>1|(1&n[t-1])<<31;n[0]=n[0]>>>1,r&&(n[0]=n[0]^225<<24)}this.state=o(i)},a.prototype.update=function(e){var t;for(this.cache=n.concat([this.cache,e]);this.cache.length>=16;)t=this.cache.slice(0,16),this.cache=this.cache.slice(16),this.ghash(t)},a.prototype.final=function(e,t){return this.cache.length&&this.ghash(n.concat([this.cache,i],16)),this.ghash(o([0,e,0,t])),this.state},e.exports=a},function(e,t,r){var n=r(97),i=r(1).Buffer,o=r(76),a=r(98),f=r(17),s=r(36),c=r(37);function h(e,t,r){f.call(this),this._cache=new u,this._last=void 0,this._cipher=new s.AES(t),this._prev=i.from(r),this._mode=e,this._autopadding=!0}function u(){this.cache=i.allocUnsafe(0)}function d(e,t,r){var f=o[e.toLowerCase()];if(!f)throw new TypeError(\"invalid suite type\");if(\"string\"==typeof r&&(r=i.from(r)),\"GCM\"!==f.mode&&r.length!==f.iv)throw new TypeError(\"invalid iv length \"+r.length);if(\"string\"==typeof t&&(t=i.from(t)),t.length!==f.key/8)throw new TypeError(\"invalid key length \"+t.length);return\"stream\"===f.type?new a(f.module,t,r,!0):\"auth\"===f.type?new n(f.module,t,r,!0):new h(f.module,t,r)}r(0)(h,f),h.prototype._update=function(e){var t,r;this._cache.add(e);for(var n=[];t=this._cache.get(this._autopadding);)r=this._mode.decrypt(this,t),n.push(r);return i.concat(n)},h.prototype._final=function(){var e=this._cache.flush();if(this._autopadding)return function(e){var t=e[15];if(t<1||t>16)throw new Error(\"unable to decrypt data\");var r=-1;for(;++r16)return t=this.cache.slice(0,16),this.cache=this.cache.slice(16),t}else if(this.cache.length>=16)return t=this.cache.slice(0,16),this.cache=this.cache.slice(16),t;return null},u.prototype.flush=function(){if(this.cache.length)return this.cache},t.createDecipher=function(e,t){var r=o[e.toLowerCase()];if(!r)throw new TypeError(\"invalid suite type\");var n=c(t,!1,r.key,r.iv);return d(e,n.key,n.iv)},t.createDecipheriv=d},function(e,t){t[\"des-ecb\"]={key:8,iv:0},t[\"des-cbc\"]=t.des={key:8,iv:8},t[\"des-ede3-cbc\"]=t.des3={key:24,iv:8},t[\"des-ede3\"]={key:24,iv:0},t[\"des-ede-cbc\"]={key:16,iv:8},t[\"des-ede\"]={key:16,iv:0}},function(e,t,r){var n=r(99),i=r(166),o=r(167);var a={binary:!0,hex:!0,base64:!0};t.DiffieHellmanGroup=t.createDiffieHellmanGroup=t.getDiffieHellman=function(e){var t=new Buffer(i[e].prime,\"hex\"),r=new Buffer(i[e].gen,\"hex\");return new o(t,r)},t.createDiffieHellman=t.DiffieHellman=function e(t,r,i,f){return Buffer.isBuffer(r)||void 0===a[r]?e(t,\"binary\",r,i):(r=r||\"binary\",f=f||\"binary\",i=i||new Buffer([2]),Buffer.isBuffer(i)||(i=new Buffer(i,f)),\"number\"==typeof t?new o(n(t,i),i,!0):(Buffer.isBuffer(t)||(t=new Buffer(t,r)),new o(t,i,!0)))}},function(e,t){e.exports=function(e){return e.webpackPolyfill||(e.deprecate=function(){},e.paths=[],e.children||(e.children=[]),Object.defineProperty(e,\"loaded\",{enumerable:!0,get:function(){return e.l}}),Object.defineProperty(e,\"id\",{enumerable:!0,get:function(){return e.i}}),e.webpackPolyfill=1),e}},function(e,t){},function(e,t){},function(e){e.exports={modp1:{gen:\"02\",prime:\"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff\"},modp2:{gen:\"02\",prime:\"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff\"},modp5:{gen:\"02\",prime:\"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff\"},modp14:{gen:\"02\",prime:\"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\"},modp15:{gen:\"02\",prime:\"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\"},modp16:{gen:\"02\",prime:\"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\"},modp17:{gen:\"02\",prime:\"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\"},modp18:{gen:\"02\",prime:\"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\"}}},function(e,t,r){var n=r(6),i=new(r(100)),o=new n(24),a=new n(11),f=new n(10),s=new n(3),c=new n(7),h=r(99),u=r(20);function d(e,t){return t=t||\"utf8\",Buffer.isBuffer(e)||(e=new Buffer(e,t)),this._pub=new n(e),this}function l(e,t){return t=t||\"utf8\",Buffer.isBuffer(e)||(e=new Buffer(e,t)),this._priv=new n(e),this}e.exports=b;var p={};function b(e,t,r){this.setGenerator(t),this.__prime=new n(e),this._prime=n.mont(this.__prime),this._primeLen=e.length,this._pub=void 0,this._priv=void 0,this._primeCode=void 0,r?(this.setPublicKey=d,this.setPrivateKey=l):this._primeCode=8}function y(e,t){var r=new Buffer(e.toArray());return t?r.toString(t):r}Object.defineProperty(b.prototype,\"verifyError\",{enumerable:!0,get:function(){return\"number\"!=typeof this._primeCode&&(this._primeCode=function(e,t){var r=t.toString(\"hex\"),n=[r,e.toString(16)].join(\"_\");if(n in p)return p[n];var u,d=0;if(e.isEven()||!h.simpleSieve||!h.fermatTest(e)||!i.test(e))return d+=1,d+=\"02\"===r||\"05\"===r?8:4,p[n]=d,d;switch(i.test(e.shrn(1))||(d+=2),r){case\"02\":e.mod(o).cmp(a)&&(d+=8);break;case\"05\":(u=e.mod(f)).cmp(s)&&u.cmp(c)&&(d+=8);break;default:d+=4}return p[n]=d,d}(this.__prime,this.__gen)),this._primeCode}}),b.prototype.generateKeys=function(){return this._priv||(this._priv=new n(u(this._primeLen))),this._pub=this._gen.toRed(this._prime).redPow(this._priv).fromRed(),this.getPublicKey()},b.prototype.computeSecret=function(e){var t=(e=(e=new n(e)).toRed(this._prime)).redPow(this._priv).fromRed(),r=new Buffer(t.toArray()),i=this.getPrime();if(r.length0&&r.ishrn(n),r}function u(e,t,r){var i,o;do{for(i=new Buffer(0);8*i.length\",license:\"MIT\",bugs:{url:\"https://github.com/indutny/elliptic/issues\"},homepage:\"https://github.com/indutny/elliptic\",devDependencies:{brfs:\"^1.4.3\",coveralls:\"^2.11.3\",grunt:\"^0.4.5\",\"grunt-browserify\":\"^5.0.0\",\"grunt-cli\":\"^1.2.0\",\"grunt-contrib-connect\":\"^1.0.0\",\"grunt-contrib-copy\":\"^1.0.0\",\"grunt-contrib-uglify\":\"^1.0.1\",\"grunt-mocha-istanbul\":\"^3.0.1\",\"grunt-saucelabs\":\"^8.6.2\",istanbul:\"^0.4.2\",jscs:\"^2.9.0\",jshint:\"^2.6.0\",mocha:\"^2.1.0\"},dependencies:{\"bn.js\":\"^4.4.0\",brorand:\"^1.0.1\",\"hash.js\":\"^1.0.0\",\"hmac-drbg\":\"^1.0.0\",inherits:\"^2.0.1\",\"minimalistic-assert\":\"^1.0.0\",\"minimalistic-crypto-utils\":\"^1.0.0\"}}},function(e,t,r){\"use strict\";var n=t,i=r(6),o=r(11),a=r(102);n.assert=o,n.toArray=a.toArray,n.zero2=a.zero2,n.toHex=a.toHex,n.encode=a.encode,n.getNAF=function(e,t){for(var r=[],n=1<=0;){var o;if(i.isOdd()){var a=i.andln(n-1);o=a>(n>>1)-1?(n>>1)-a:a,i.isubn(o)}else o=0;r.push(o);for(var f=0!==i.cmpn(0)&&0===i.andln(n-1)?t+1:1,s=1;s0||t.cmpn(-i)>0;){var o,a,f,s=e.andln(3)+n&3,c=t.andln(3)+i&3;3===s&&(s=-1),3===c&&(c=-1),o=0==(1&s)?0:3!=(f=e.andln(7)+n&7)&&5!==f||2!==c?s:-s,r[0].push(o),a=0==(1&c)?0:3!=(f=t.andln(7)+i&7)&&5!==f||2!==s?c:-c,r[1].push(a),2*n===o+1&&(n=1-n),2*i===a+1&&(i=1-i),e.iushrn(1),t.iushrn(1)}return r},n.cachedProperty=function(e,t,r){var n=\"_\"+t;e.prototype[t]=function(){return void 0!==this[n]?this[n]:this[n]=r.call(this)}},n.parseBytes=function(e){return\"string\"==typeof e?n.toArray(e,\"hex\"):e},n.intFromLE=function(e){return new i(e,\"hex\",\"le\")}},function(e,t,r){\"use strict\";var n=r(6),i=r(8).utils,o=i.getNAF,a=i.getJSF,f=i.assert;function s(e,t){this.type=e,this.p=new n(t.p,16),this.red=t.prime?n.red(t.prime):n.mont(this.p),this.zero=new n(0).toRed(this.red),this.one=new n(1).toRed(this.red),this.two=new n(2).toRed(this.red),this.n=t.n&&new n(t.n,16),this.g=t.g&&this.pointFromJSON(t.g,t.gRed),this._wnafT1=new Array(4),this._wnafT2=new Array(4),this._wnafT3=new Array(4),this._wnafT4=new Array(4);var r=this.n&&this.p.div(this.n);!r||r.cmpn(100)>0?this.redN=null:(this._maxwellTrick=!0,this.redN=this.n.toRed(this.red))}function c(e,t){this.curve=e,this.type=t,this.precomputed=null}e.exports=s,s.prototype.point=function(){throw new Error(\"Not implemented\")},s.prototype.validate=function(){throw new Error(\"Not implemented\")},s.prototype._fixedNafMul=function(e,t){f(e.precomputed);var r=e._getDoubles(),n=o(t,1),i=(1<=s;t--)c=(c<<1)+n[t];a.push(c)}for(var h=this.jpoint(null,null,null),u=this.jpoint(null,null,null),d=i;d>0;d--){for(s=0;s=0;c--){for(t=0;c>=0&&0===a[c];c--)t++;if(c>=0&&t++,s=s.dblp(t),c<0)break;var h=a[c];f(0!==h),s=\"affine\"===e.type?h>0?s.mixedAdd(i[h-1>>1]):s.mixedAdd(i[-h-1>>1].neg()):h>0?s.add(i[h-1>>1]):s.add(i[-h-1>>1].neg())}return\"affine\"===e.type?s.toP():s},s.prototype._wnafMulAdd=function(e,t,r,n,i){for(var f=this._wnafT1,s=this._wnafT2,c=this._wnafT3,h=0,u=0;u=1;u-=2){var l=u-1,p=u;if(1===f[l]&&1===f[p]){var b=[t[l],null,null,t[p]];0===t[l].y.cmp(t[p].y)?(b[1]=t[l].add(t[p]),b[2]=t[l].toJ().mixedAdd(t[p].neg())):0===t[l].y.cmp(t[p].y.redNeg())?(b[1]=t[l].toJ().mixedAdd(t[p]),b[2]=t[l].add(t[p].neg())):(b[1]=t[l].toJ().mixedAdd(t[p]),b[2]=t[l].toJ().mixedAdd(t[p].neg()));var y=[-3,-1,-5,-7,0,7,5,1,3],v=a(r[l],r[p]);h=Math.max(v[0].length,h),c[l]=new Array(h),c[p]=new Array(h);for(var g=0;g=0;u--){for(var M=0;u>=0;){var E=!0;for(g=0;g=0&&M++,w=w.dblp(M),u<0)break;for(g=0;g0?A=s[g][k-1>>1]:k<0&&(A=s[g][-k-1>>1].neg()),w=\"affine\"===A.type?w.mixedAdd(A):w.add(A))}}for(u=0;u=Math.ceil((e.bitLength()+1)/t.step)},c.prototype._getDoubles=function(e,t){if(this.precomputed&&this.precomputed.doubles)return this.precomputed.doubles;for(var r=[this],n=this,i=0;i=0&&(a=t,f=r),n.negative&&(n=n.neg(),i=i.neg()),a.negative&&(a=a.neg(),f=f.neg()),[{a:n,b:i},{a:a,b:f}]},c.prototype._endoSplit=function(e){var t=this.endo.basis,r=t[0],n=t[1],i=n.b.mul(e).divRound(this.n),o=r.b.neg().mul(e).divRound(this.n),a=i.mul(r.a),f=o.mul(n.a),s=i.mul(r.b),c=o.mul(n.b);return{k1:e.sub(a).sub(f),k2:s.add(c).neg()}},c.prototype.pointFromX=function(e,t){(e=new o(e,16)).red||(e=e.toRed(this.red));var r=e.redSqr().redMul(e).redIAdd(e.redMul(this.a)).redIAdd(this.b),n=r.redSqrt();if(0!==n.redSqr().redSub(r).cmp(this.zero))throw new Error(\"invalid point\");var i=n.fromRed().isOdd();return(t&&!i||!t&&i)&&(n=n.redNeg()),this.point(e,n)},c.prototype.validate=function(e){if(e.inf)return!0;var t=e.x,r=e.y,n=this.a.redMul(t),i=t.redSqr().redMul(t).redIAdd(n).redIAdd(this.b);return 0===r.redSqr().redISub(i).cmpn(0)},c.prototype._endoWnafMulAdd=function(e,t,r){for(var n=this._endoWnafT1,i=this._endoWnafT2,o=0;o\":\"\"},h.prototype.isInfinity=function(){return this.inf},h.prototype.add=function(e){if(this.inf)return e;if(e.inf)return this;if(this.eq(e))return this.dbl();if(this.neg().eq(e))return this.curve.point(null,null);if(0===this.x.cmp(e.x))return this.curve.point(null,null);var t=this.y.redSub(e.y);0!==t.cmpn(0)&&(t=t.redMul(this.x.redSub(e.x).redInvm()));var r=t.redSqr().redISub(this.x).redISub(e.x),n=t.redMul(this.x.redSub(r)).redISub(this.y);return this.curve.point(r,n)},h.prototype.dbl=function(){if(this.inf)return this;var e=this.y.redAdd(this.y);if(0===e.cmpn(0))return this.curve.point(null,null);var t=this.curve.a,r=this.x.redSqr(),n=e.redInvm(),i=r.redAdd(r).redIAdd(r).redIAdd(t).redMul(n),o=i.redSqr().redISub(this.x.redAdd(this.x)),a=i.redMul(this.x.redSub(o)).redISub(this.y);return this.curve.point(o,a)},h.prototype.getX=function(){return this.x.fromRed()},h.prototype.getY=function(){return this.y.fromRed()},h.prototype.mul=function(e){return e=new o(e,16),this._hasDoubles(e)?this.curve._fixedNafMul(this,e):this.curve.endo?this.curve._endoWnafMulAdd([this],[e]):this.curve._wnafMul(this,e)},h.prototype.mulAdd=function(e,t,r){var n=[this,t],i=[e,r];return this.curve.endo?this.curve._endoWnafMulAdd(n,i):this.curve._wnafMulAdd(1,n,i,2)},h.prototype.jmulAdd=function(e,t,r){var n=[this,t],i=[e,r];return this.curve.endo?this.curve._endoWnafMulAdd(n,i,!0):this.curve._wnafMulAdd(1,n,i,2,!0)},h.prototype.eq=function(e){return this===e||this.inf===e.inf&&(this.inf||0===this.x.cmp(e.x)&&0===this.y.cmp(e.y))},h.prototype.neg=function(e){if(this.inf)return this;var t=this.curve.point(this.x,this.y.redNeg());if(e&&this.precomputed){var r=this.precomputed,n=function(e){return e.neg()};t.precomputed={naf:r.naf&&{wnd:r.naf.wnd,points:r.naf.points.map(n)},doubles:r.doubles&&{step:r.doubles.step,points:r.doubles.points.map(n)}}}return t},h.prototype.toJ=function(){return this.inf?this.curve.jpoint(null,null,null):this.curve.jpoint(this.x,this.y,this.curve.one)},a(u,f.BasePoint),c.prototype.jpoint=function(e,t,r){return new u(this,e,t,r)},u.prototype.toP=function(){if(this.isInfinity())return this.curve.point(null,null);var e=this.z.redInvm(),t=e.redSqr(),r=this.x.redMul(t),n=this.y.redMul(t).redMul(e);return this.curve.point(r,n)},u.prototype.neg=function(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)},u.prototype.add=function(e){if(this.isInfinity())return e;if(e.isInfinity())return this;var t=e.z.redSqr(),r=this.z.redSqr(),n=this.x.redMul(t),i=e.x.redMul(r),o=this.y.redMul(t.redMul(e.z)),a=e.y.redMul(r.redMul(this.z)),f=n.redSub(i),s=o.redSub(a);if(0===f.cmpn(0))return 0!==s.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var c=f.redSqr(),h=c.redMul(f),u=n.redMul(c),d=s.redSqr().redIAdd(h).redISub(u).redISub(u),l=s.redMul(u.redISub(d)).redISub(o.redMul(h)),p=this.z.redMul(e.z).redMul(f);return this.curve.jpoint(d,l,p)},u.prototype.mixedAdd=function(e){if(this.isInfinity())return e.toJ();if(e.isInfinity())return this;var t=this.z.redSqr(),r=this.x,n=e.x.redMul(t),i=this.y,o=e.y.redMul(t).redMul(this.z),a=r.redSub(n),f=i.redSub(o);if(0===a.cmpn(0))return 0!==f.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var s=a.redSqr(),c=s.redMul(a),h=r.redMul(s),u=f.redSqr().redIAdd(c).redISub(h).redISub(h),d=f.redMul(h.redISub(u)).redISub(i.redMul(c)),l=this.z.redMul(a);return this.curve.jpoint(u,d,l)},u.prototype.dblp=function(e){if(0===e)return this;if(this.isInfinity())return this;if(!e)return this.dbl();if(this.curve.zeroA||this.curve.threeA){for(var t=this,r=0;r=0)return!1;if(r.redIAdd(i),0===this.x.cmp(r))return!0}},u.prototype.inspect=function(){return this.isInfinity()?\"\":\"\"},u.prototype.isInfinity=function(){return 0===this.z.cmpn(0)}},function(e,t,r){\"use strict\";var n=r(38),i=r(6),o=r(0),a=n.base,f=r(8).utils;function s(e){a.call(this,\"mont\",e),this.a=new i(e.a,16).toRed(this.red),this.b=new i(e.b,16).toRed(this.red),this.i4=new i(4).toRed(this.red).redInvm(),this.two=new i(2).toRed(this.red),this.a24=this.i4.redMul(this.a.redAdd(this.two))}function c(e,t,r){a.BasePoint.call(this,e,\"projective\"),null===t&&null===r?(this.x=this.curve.one,this.z=this.curve.zero):(this.x=new i(t,16),this.z=new i(r,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)))}o(s,a),e.exports=s,s.prototype.validate=function(e){var t=e.normalize().x,r=t.redSqr(),n=r.redMul(t).redAdd(r.redMul(this.a)).redAdd(t);return 0===n.redSqrt().redSqr().cmp(n)},o(c,a.BasePoint),s.prototype.decodePoint=function(e,t){return this.point(f.toArray(e,t),1)},s.prototype.point=function(e,t){return new c(this,e,t)},s.prototype.pointFromJSON=function(e){return c.fromJSON(this,e)},c.prototype.precompute=function(){},c.prototype._encode=function(){return this.getX().toArray(\"be\",this.curve.p.byteLength())},c.fromJSON=function(e,t){return new c(e,t[0],t[1]||e.one)},c.prototype.inspect=function(){return this.isInfinity()?\"\":\"\"},c.prototype.isInfinity=function(){return 0===this.z.cmpn(0)},c.prototype.dbl=function(){var e=this.x.redAdd(this.z).redSqr(),t=this.x.redSub(this.z).redSqr(),r=e.redSub(t),n=e.redMul(t),i=r.redMul(t.redAdd(this.curve.a24.redMul(r)));return this.curve.point(n,i)},c.prototype.add=function(){throw new Error(\"Not supported on Montgomery curve\")},c.prototype.diffAdd=function(e,t){var r=this.x.redAdd(this.z),n=this.x.redSub(this.z),i=e.x.redAdd(e.z),o=e.x.redSub(e.z).redMul(r),a=i.redMul(n),f=t.z.redMul(o.redAdd(a).redSqr()),s=t.x.redMul(o.redISub(a).redSqr());return this.curve.point(f,s)},c.prototype.mul=function(e){for(var t=e.clone(),r=this,n=this.curve.point(null,null),i=[];0!==t.cmpn(0);t.iushrn(1))i.push(t.andln(1));for(var o=i.length-1;o>=0;o--)0===i[o]?(r=r.diffAdd(n,this),n=n.dbl()):(n=r.diffAdd(n,this),r=r.dbl());return n},c.prototype.mulAdd=function(){throw new Error(\"Not supported on Montgomery curve\")},c.prototype.jumlAdd=function(){throw new Error(\"Not supported on Montgomery curve\")},c.prototype.eq=function(e){return 0===this.getX().cmp(e.getX())},c.prototype.normalize=function(){return this.x=this.x.redMul(this.z.redInvm()),this.z=this.curve.one,this},c.prototype.getX=function(){return this.normalize(),this.x.fromRed()}},function(e,t,r){\"use strict\";var n=r(38),i=r(8),o=r(6),a=r(0),f=n.base,s=i.utils.assert;function c(e){this.twisted=1!=(0|e.a),this.mOneA=this.twisted&&-1==(0|e.a),this.extended=this.mOneA,f.call(this,\"edwards\",e),this.a=new o(e.a,16).umod(this.red.m),this.a=this.a.toRed(this.red),this.c=new o(e.c,16).toRed(this.red),this.c2=this.c.redSqr(),this.d=new o(e.d,16).toRed(this.red),this.dd=this.d.redAdd(this.d),s(!this.twisted||0===this.c.fromRed().cmpn(1)),this.oneC=1==(0|e.c)}function h(e,t,r,n,i){f.BasePoint.call(this,e,\"projective\"),null===t&&null===r&&null===n?(this.x=this.curve.zero,this.y=this.curve.one,this.z=this.curve.one,this.t=this.curve.zero,this.zOne=!0):(this.x=new o(t,16),this.y=new o(r,16),this.z=n?new o(n,16):this.curve.one,this.t=i&&new o(i,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.t&&!this.t.red&&(this.t=this.t.toRed(this.curve.red)),this.zOne=this.z===this.curve.one,this.curve.extended&&!this.t&&(this.t=this.x.redMul(this.y),this.zOne||(this.t=this.t.redMul(this.z.redInvm()))))}a(c,f),e.exports=c,c.prototype._mulA=function(e){return this.mOneA?e.redNeg():this.a.redMul(e)},c.prototype._mulC=function(e){return this.oneC?e:this.c.redMul(e)},c.prototype.jpoint=function(e,t,r,n){return this.point(e,t,r,n)},c.prototype.pointFromX=function(e,t){(e=new o(e,16)).red||(e=e.toRed(this.red));var r=e.redSqr(),n=this.c2.redSub(this.a.redMul(r)),i=this.one.redSub(this.c2.redMul(this.d).redMul(r)),a=n.redMul(i.redInvm()),f=a.redSqrt();if(0!==f.redSqr().redSub(a).cmp(this.zero))throw new Error(\"invalid point\");var s=f.fromRed().isOdd();return(t&&!s||!t&&s)&&(f=f.redNeg()),this.point(e,f)},c.prototype.pointFromY=function(e,t){(e=new o(e,16)).red||(e=e.toRed(this.red));var r=e.redSqr(),n=r.redSub(this.c2),i=r.redMul(this.d).redMul(this.c2).redSub(this.a),a=n.redMul(i.redInvm());if(0===a.cmp(this.zero)){if(t)throw new Error(\"invalid point\");return this.point(this.zero,e)}var f=a.redSqrt();if(0!==f.redSqr().redSub(a).cmp(this.zero))throw new Error(\"invalid point\");return f.fromRed().isOdd()!==t&&(f=f.redNeg()),this.point(f,e)},c.prototype.validate=function(e){if(e.isInfinity())return!0;e.normalize();var t=e.x.redSqr(),r=e.y.redSqr(),n=t.redMul(this.a).redAdd(r),i=this.c2.redMul(this.one.redAdd(this.d.redMul(t).redMul(r)));return 0===n.cmp(i)},a(h,f.BasePoint),c.prototype.pointFromJSON=function(e){return h.fromJSON(this,e)},c.prototype.point=function(e,t,r,n){return new h(this,e,t,r,n)},h.fromJSON=function(e,t){return new h(e,t[0],t[1],t[2])},h.prototype.inspect=function(){return this.isInfinity()?\"\":\"\"},h.prototype.isInfinity=function(){return 0===this.x.cmpn(0)&&(0===this.y.cmp(this.z)||this.zOne&&0===this.y.cmp(this.curve.c))},h.prototype._extDbl=function(){var e=this.x.redSqr(),t=this.y.redSqr(),r=this.z.redSqr();r=r.redIAdd(r);var n=this.curve._mulA(e),i=this.x.redAdd(this.y).redSqr().redISub(e).redISub(t),o=n.redAdd(t),a=o.redSub(r),f=n.redSub(t),s=i.redMul(a),c=o.redMul(f),h=i.redMul(f),u=a.redMul(o);return this.curve.point(s,c,u,h)},h.prototype._projDbl=function(){var e,t,r,n=this.x.redAdd(this.y).redSqr(),i=this.x.redSqr(),o=this.y.redSqr();if(this.curve.twisted){var a=(c=this.curve._mulA(i)).redAdd(o);if(this.zOne)e=n.redSub(i).redSub(o).redMul(a.redSub(this.curve.two)),t=a.redMul(c.redSub(o)),r=a.redSqr().redSub(a).redSub(a);else{var f=this.z.redSqr(),s=a.redSub(f).redISub(f);e=n.redSub(i).redISub(o).redMul(s),t=a.redMul(c.redSub(o)),r=a.redMul(s)}}else{var c=i.redAdd(o);f=this.curve._mulC(this.z).redSqr(),s=c.redSub(f).redSub(f);e=this.curve._mulC(n.redISub(c)).redMul(s),t=this.curve._mulC(c).redMul(i.redISub(o)),r=c.redMul(s)}return this.curve.point(e,t,r)},h.prototype.dbl=function(){return this.isInfinity()?this:this.curve.extended?this._extDbl():this._projDbl()},h.prototype._extAdd=function(e){var t=this.y.redSub(this.x).redMul(e.y.redSub(e.x)),r=this.y.redAdd(this.x).redMul(e.y.redAdd(e.x)),n=this.t.redMul(this.curve.dd).redMul(e.t),i=this.z.redMul(e.z.redAdd(e.z)),o=r.redSub(t),a=i.redSub(n),f=i.redAdd(n),s=r.redAdd(t),c=o.redMul(a),h=f.redMul(s),u=o.redMul(s),d=a.redMul(f);return this.curve.point(c,h,d,u)},h.prototype._projAdd=function(e){var t,r,n=this.z.redMul(e.z),i=n.redSqr(),o=this.x.redMul(e.x),a=this.y.redMul(e.y),f=this.curve.d.redMul(o).redMul(a),s=i.redSub(f),c=i.redAdd(f),h=this.x.redAdd(this.y).redMul(e.x.redAdd(e.y)).redISub(o).redISub(a),u=n.redMul(s).redMul(h);return this.curve.twisted?(t=n.redMul(c).redMul(a.redSub(this.curve._mulA(o))),r=s.redMul(c)):(t=n.redMul(c).redMul(a.redSub(o)),r=this.curve._mulC(s).redMul(c)),this.curve.point(u,t,r)},h.prototype.add=function(e){return this.isInfinity()?e:e.isInfinity()?this:this.curve.extended?this._extAdd(e):this._projAdd(e)},h.prototype.mul=function(e){return this._hasDoubles(e)?this.curve._fixedNafMul(this,e):this.curve._wnafMul(this,e)},h.prototype.mulAdd=function(e,t,r){return this.curve._wnafMulAdd(1,[this,t],[e,r],2,!1)},h.prototype.jmulAdd=function(e,t,r){return this.curve._wnafMulAdd(1,[this,t],[e,r],2,!0)},h.prototype.normalize=function(){if(this.zOne)return this;var e=this.z.redInvm();return this.x=this.x.redMul(e),this.y=this.y.redMul(e),this.t&&(this.t=this.t.redMul(e)),this.z=this.curve.one,this.zOne=!0,this},h.prototype.neg=function(){return this.curve.point(this.x.redNeg(),this.y,this.z,this.t&&this.t.redNeg())},h.prototype.getX=function(){return this.normalize(),this.x.fromRed()},h.prototype.getY=function(){return this.normalize(),this.y.fromRed()},h.prototype.eq=function(e){return this===e||0===this.getX().cmp(e.getX())&&0===this.getY().cmp(e.getY())},h.prototype.eqXToP=function(e){var t=e.toRed(this.curve.red).redMul(this.z);if(0===this.x.cmp(t))return!0;for(var r=e.clone(),n=this.curve.redN.redMul(this.z);;){if(r.iadd(this.curve.n),r.cmp(this.curve.p)>=0)return!1;if(t.redIAdd(n),0===this.x.cmp(t))return!0}},h.prototype.toP=h.prototype.normalize,h.prototype.mixedAdd=h.prototype.add},function(e,t,r){\"use strict\";var n,i=t,o=r(78),a=r(8),f=a.utils.assert;function s(e){\"short\"===e.type?this.curve=new a.curve.short(e):\"edwards\"===e.type?this.curve=new a.curve.edwards(e):this.curve=new a.curve.mont(e),this.g=this.curve.g,this.n=this.curve.n,this.hash=e.hash,f(this.g.validate(),\"Invalid curve\"),f(this.g.mul(this.n).isInfinity(),\"Invalid curve, G*N != O\")}function c(e,t){Object.defineProperty(i,e,{configurable:!0,enumerable:!0,get:function(){var r=new s(t);return Object.defineProperty(i,e,{configurable:!0,enumerable:!0,value:r}),r}})}i.PresetCurve=s,c(\"p192\",{type:\"short\",prime:\"p192\",p:\"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff\",a:\"ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc\",b:\"64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1\",n:\"ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831\",hash:o.sha256,gRed:!1,g:[\"188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012\",\"07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811\"]}),c(\"p224\",{type:\"short\",prime:\"p224\",p:\"ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001\",a:\"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe\",b:\"b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4\",n:\"ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d\",hash:o.sha256,gRed:!1,g:[\"b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21\",\"bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34\"]}),c(\"p256\",{type:\"short\",prime:null,p:\"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff\",a:\"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc\",b:\"5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b\",n:\"ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551\",hash:o.sha256,gRed:!1,g:[\"6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296\",\"4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5\"]}),c(\"p384\",{type:\"short\",prime:null,p:\"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 ffffffff\",a:\"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 fffffffc\",b:\"b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f 5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef\",n:\"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 f4372ddf 581a0db2 48b0a77a ecec196a ccc52973\",hash:o.sha384,gRed:!1,g:[\"aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 5502f25d bf55296c 3a545e38 72760ab7\",\"3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 0a60b1ce 1d7e819d 7a431d7c 90ea0e5f\"]}),c(\"p521\",{type:\"short\",prime:null,p:\"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff\",a:\"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffc\",b:\"00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b 99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd 3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00\",n:\"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409\",hash:o.sha512,gRed:!1,g:[\"000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66\",\"00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 3fad0761 353c7086 a272c240 88be9476 9fd16650\"]}),c(\"curve25519\",{type:\"mont\",prime:\"p25519\",p:\"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed\",a:\"76d06\",b:\"1\",n:\"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed\",hash:o.sha256,gRed:!1,g:[\"9\"]}),c(\"ed25519\",{type:\"edwards\",prime:\"p25519\",p:\"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed\",a:\"-1\",c:\"1\",d:\"52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3\",n:\"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed\",hash:o.sha256,gRed:!1,g:[\"216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a\",\"6666666666666666666666666666666666666666666666666666666666666658\"]});try{n=r(183)}catch(e){n=void 0}c(\"secp256k1\",{type:\"short\",prime:\"k256\",p:\"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f\",a:\"0\",b:\"7\",n:\"ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141\",h:\"1\",hash:o.sha256,beta:\"7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee\",lambda:\"5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72\",basis:[{a:\"3086d221a7d46bcde86c90e49284eb15\",b:\"-e4437ed6010e88286f547fa90abfe4c3\"},{a:\"114ca50f7a8e2f3f657c1108d9d44cfd8\",b:\"3086d221a7d46bcde86c90e49284eb15\"}],gRed:!1,g:[\"79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798\",\"483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8\",n]})},function(e,t,r){\"use strict\";t.sha1=r(178),t.sha224=r(179),t.sha256=r(104),t.sha384=r(180),t.sha512=r(105)},function(e,t,r){\"use strict\";var n=r(14),i=r(32),o=r(103),a=n.rotl32,f=n.sum32,s=n.sum32_5,c=o.ft_1,h=i.BlockHash,u=[1518500249,1859775393,2400959708,3395469782];function d(){if(!(this instanceof d))return new d;h.call(this),this.h=[1732584193,4023233417,2562383102,271733878,3285377520],this.W=new Array(80)}n.inherits(d,h),e.exports=d,d.blockSize=512,d.outSize=160,d.hmacStrength=80,d.padLength=64,d.prototype._update=function(e,t){for(var r=this.W,n=0;n<16;n++)r[n]=e[t+n];for(;nthis.blockSize&&(e=(new this.Hash).update(e).digest()),i(e.length<=this.blockSize);for(var t=e.length;t0))return f.iaddn(1),this.keyFromPrivate(f)}},c.prototype._truncateToN=function(e,t){var r=8*e.byteLength()-this.n.bitLength();return r>0&&(e=e.ushrn(r)),!t&&e.cmp(this.n)>=0?e.sub(this.n):e},c.prototype.sign=function(e,t,r,o){\"object\"==typeof r&&(o=r,r=null),o||(o={}),t=this.keyFromPrivate(t,r),e=this._truncateToN(new n(e,16));for(var a=this.n.byteLength(),f=t.getPrivate().toArray(\"be\",a),c=e.toArray(\"be\",a),h=new i({hash:this.hash,entropy:f,nonce:c,pers:o.pers,persEnc:o.persEnc||\"utf8\"}),u=this.n.sub(new n(1)),d=0;;d++){var l=o.k?o.k(d):new n(h.generate(this.n.byteLength()));if(!((l=this._truncateToN(l,!0)).cmpn(1)<=0||l.cmp(u)>=0)){var p=this.g.mul(l);if(!p.isInfinity()){var b=p.getX(),y=b.umod(this.n);if(0!==y.cmpn(0)){var v=l.invm(this.n).mul(y.mul(t.getPrivate()).iadd(e));if(0!==(v=v.umod(this.n)).cmpn(0)){var g=(p.getY().isOdd()?1:0)|(0!==b.cmp(y)?2:0);return o.canonical&&v.cmp(this.nh)>0&&(v=this.n.sub(v),g^=1),new s({r:y,s:v,recoveryParam:g})}}}}}},c.prototype.verify=function(e,t,r,i){e=this._truncateToN(new n(e,16)),r=this.keyFromPublic(r,i);var o=(t=new s(t,\"hex\")).r,a=t.s;if(o.cmpn(1)<0||o.cmp(this.n)>=0)return!1;if(a.cmpn(1)<0||a.cmp(this.n)>=0)return!1;var f,c=a.invm(this.n),h=c.mul(e).umod(this.n),u=c.mul(o).umod(this.n);return this.curve._maxwellTrick?!(f=this.g.jmulAdd(h,r.getPublic(),u)).isInfinity()&&f.eqXToP(o):!(f=this.g.mulAdd(h,r.getPublic(),u)).isInfinity()&&0===f.getX().umod(this.n).cmp(o)},c.prototype.recoverPubKey=function(e,t,r,i){a((3&r)===r,\"The recovery param is more than two bits\"),t=new s(t,i);var o=this.n,f=new n(e),c=t.r,h=t.s,u=1&r,d=r>>1;if(c.cmp(this.curve.p.umod(this.curve.n))>=0&&d)throw new Error(\"Unable to find sencond key candinate\");c=d?this.curve.pointFromX(c.add(this.curve.n),u):this.curve.pointFromX(c,u);var l=t.r.invm(o),p=o.sub(f).mul(l).umod(o),b=h.mul(l).umod(o);return this.g.mulAdd(p,c,b)},c.prototype.getKeyRecoveryParam=function(e,t,r,n){if(null!==(t=new s(t,n)).recoveryParam)return t.recoveryParam;for(var i=0;i<4;i++){var o;try{o=this.recoverPubKey(e,t,i)}catch(e){continue}if(o.eq(r))return i}throw new Error(\"Unable to find valid recovery factor\")}},function(e,t,r){\"use strict\";var n=r(78),i=r(102),o=r(11);function a(e){if(!(this instanceof a))return new a(e);this.hash=e.hash,this.predResist=!!e.predResist,this.outLen=this.hash.outSize,this.minEntropy=e.minEntropy||this.hash.hmacStrength,this._reseed=null,this.reseedInterval=null,this.K=null,this.V=null;var t=i.toArray(e.entropy,e.entropyEnc||\"hex\"),r=i.toArray(e.nonce,e.nonceEnc||\"hex\"),n=i.toArray(e.pers,e.persEnc||\"hex\");o(t.length>=this.minEntropy/8,\"Not enough entropy. Minimum is: \"+this.minEntropy+\" bits\"),this._init(t,r,n)}e.exports=a,a.prototype._init=function(e,t,r){var n=e.concat(t).concat(r);this.K=new Array(this.outLen/8),this.V=new Array(this.outLen/8);for(var i=0;i=this.minEntropy/8,\"Not enough entropy. Minimum is: \"+this.minEntropy+\" bits\"),this._update(e.concat(r||[])),this._reseed=1},a.prototype.generate=function(e,t,r,n){if(this._reseed>this.reseedInterval)throw new Error(\"Reseed is required\");\"string\"!=typeof t&&(n=r,r=t,t=null),r&&(r=i.toArray(r,n||\"hex\"),this._update(r));for(var o=[];o.length\"}},function(e,t,r){\"use strict\";var n=r(6),i=r(8).utils,o=i.assert;function a(e,t){if(e instanceof a)return e;this._importDER(e,t)||(o(e.r&&e.s,\"Signature without r or s\"),this.r=new n(e.r,16),this.s=new n(e.s,16),void 0===e.recoveryParam?this.recoveryParam=null:this.recoveryParam=e.recoveryParam)}function f(e,t){var r=e[t.place++];if(!(128&r))return r;for(var n=15&r,i=0,o=0,a=t.place;o>>3);for(e.push(128|r);--r;)e.push(t>>>(r<<3)&255);e.push(t)}}e.exports=a,a.prototype._importDER=function(e,t){e=i.toArray(e,t);var r=new function(){this.place=0};if(48!==e[r.place++])return!1;if(f(e,r)+r.place!==e.length)return!1;if(2!==e[r.place++])return!1;var o=f(e,r),a=e.slice(r.place,o+r.place);if(r.place+=o,2!==e[r.place++])return!1;var s=f(e,r);if(e.length!==s+r.place)return!1;var c=e.slice(r.place,s+r.place);return 0===a[0]&&128&a[1]&&(a=a.slice(1)),0===c[0]&&128&c[1]&&(c=c.slice(1)),this.r=new n(a),this.s=new n(c),this.recoveryParam=null,!0},a.prototype.toDER=function(e){var t=this.r.toArray(),r=this.s.toArray();for(128&t[0]&&(t=[0].concat(t)),128&r[0]&&(r=[0].concat(r)),t=s(t),r=s(r);!(r[0]||128&r[1]);)r=r.slice(1);var n=[2];c(n,t.length),(n=n.concat(t)).push(2),c(n,r.length);var o=n.concat(r),a=[48];return c(a,o.length),a=a.concat(o),i.encode(a,e)}},function(e,t,r){\"use strict\";var n=r(78),i=r(8),o=i.utils,a=o.assert,f=o.parseBytes,s=r(189),c=r(190);function h(e){if(a(\"ed25519\"===e,\"only tested with ed25519 so far\"),!(this instanceof h))return new h(e);e=i.curves[e].curve;this.curve=e,this.g=e.g,this.g.precompute(e.n.bitLength()+1),this.pointClass=e.point().constructor,this.encodingLength=Math.ceil(e.n.bitLength()/8),this.hash=n.sha512}e.exports=h,h.prototype.sign=function(e,t){e=f(e);var r=this.keyFromSecret(t),n=this.hashInt(r.messagePrefix(),e),i=this.g.mul(n),o=this.encodePoint(i),a=this.hashInt(o,r.pubBytes(),e).mul(r.priv()),s=n.add(a).umod(this.curve.n);return this.makeSignature({R:i,S:s,Rencoded:o})},h.prototype.verify=function(e,t,r){e=f(e),t=this.makeSignature(t);var n=this.keyFromPublic(r),i=this.hashInt(t.Rencoded(),n.pubBytes(),e),o=this.g.mul(t.S());return t.R().add(n.pub().mul(i)).eq(o)},h.prototype.hashInt=function(){for(var e=this.hash(),t=0;t=t)throw new Error(\"invalid sig\")}e.exports=function(e,t,r,s,c){var h=o(r);if(\"ec\"===h.type){if(\"ecdsa\"!==s&&\"ecdsa/rsa\"!==s)throw new Error(\"wrong public key type\");return function(e,t,r){var n=a[r.data.algorithm.curve.join(\".\")];if(!n)throw new Error(\"unknown curve \"+r.data.algorithm.curve.join(\".\"));var o=new i(n),f=r.data.subjectPrivateKey.data;return o.verify(t,e,f)}(e,t,h)}if(\"dsa\"===h.type){if(\"dsa\"!==s)throw new Error(\"wrong public key type\");return function(e,t,r){var i=r.data.p,a=r.data.q,s=r.data.g,c=r.data.pub_key,h=o.signature.decode(e,\"der\"),u=h.s,d=h.r;f(u,a),f(d,a);var l=n.mont(i),p=u.invm(a);return 0===s.toRed(l).redPow(new n(t).mul(p).mod(a)).fromRed().mul(c.toRed(l).redPow(d.mul(p).mod(a)).fromRed()).mod(i).mod(a).cmp(d)}(e,t,h)}if(\"rsa\"!==s&&\"ecdsa/rsa\"!==s)throw new Error(\"wrong public key type\");t=Buffer.concat([c,t]);for(var u=h.modulus.byteLength(),d=[1],l=0;t.length+d.length+2r-d-2)throw new Error(\"message too long\");var l=u.alloc(r-n-d-2),p=r-h-1,b=i(h),y=f(u.concat([c,l,u.alloc(1,1),t],p),a(b,p)),v=f(b,a(y,h));return new s(u.concat([u.alloc(1),v,y],r))}(p,t);else if(1===d)l=function(e,t,r){var n,o=t.length,a=e.modulus.byteLength();if(o>a-11)throw new Error(\"message too long\");n=r?u.alloc(a-o-3,255):function(e){var t,r=u.allocUnsafe(e),n=0,o=i(2*e),a=0;for(;n=0)throw new Error(\"data too long for modulus\")}return r?h(l,p):c(l,p)}},function(e,t,r){var n=r(39),i=r(111),o=r(112),a=r(6),f=r(77),s=r(29),c=r(113),h=r(1).Buffer;e.exports=function(e,t,r){var u;u=e.padding?e.padding:r?1:4;var d,l=n(e),p=l.modulus.byteLength();if(t.length>p||new a(t).cmp(l.modulus)>=0)throw new Error(\"decryption error\");d=r?c(new a(t),l):f(t,l);var b=h.alloc(p-d.length);if(d=h.concat([b,d],p),4===u)return function(e,t){var r=e.modulus.byteLength(),n=s(\"sha1\").update(h.alloc(0)).digest(),a=n.length;if(0!==t[0])throw new Error(\"decryption error\");var f=t.slice(1,a+1),c=t.slice(a+1),u=o(f,i(c,a)),d=o(c,i(u,r-a-1));if(function(e,t){e=h.from(e),t=h.from(t);var r=0,n=e.length;e.length!==t.length&&(r++,n=Math.min(e.length,t.length));var i=-1;for(;++i=t.length){o++;break}var a=t.slice(2,i-1);(\"0002\"!==n.toString(\"hex\")&&!r||\"0001\"!==n.toString(\"hex\")&&r)&&o++;a.length<8&&o++;if(o)throw new Error(\"decryption error\");return t.slice(i)}(0,d,r);if(3===u)return d;throw new Error(\"unknown padding\")}},function(e,t,r){\"use strict\";function n(){throw new Error(\"secure random number generation not supported by this browser\\nuse chrome, FireFox or Internet Explorer 11\")}var i=r(1),o=r(20),a=i.Buffer,f=i.kMaxLength,s=global.crypto||global.msCrypto,c=Math.pow(2,32)-1;function h(e,t){if(\"number\"!=typeof e||e!=e)throw new TypeError(\"offset must be a number\");if(e>c||e<0)throw new TypeError(\"offset must be a uint32\");if(e>f||e>t)throw new RangeError(\"offset out of range\")}function u(e,t,r){if(\"number\"!=typeof e||e!=e)throw new TypeError(\"size must be a number\");if(e>c||e<0)throw new TypeError(\"size must be a uint32\");if(e+t>r||e>f)throw new RangeError(\"buffer too small\")}function d(e,t,r,n){if(process.browser){var i=e.buffer,a=new Uint8Array(i,t,r);return s.getRandomValues(a),n?void process.nextTick(function(){n(null,e)}):e}if(!n)return o(r).copy(e,t),e;o(r,function(r,i){if(r)return n(r);i.copy(e,t),n(null,e)})}s&&s.getRandomValues||!process.browser?(t.randomFill=function(e,t,r,n){if(!(a.isBuffer(e)||e instanceof global.Uint8Array))throw new TypeError('\"buf\" argument must be a Buffer or Uint8Array');if(\"function\"==typeof t)n=t,t=0,r=e.length;else if(\"function\"==typeof r)n=r,r=e.length-t;else if(\"function\"!=typeof n)throw new TypeError('\"cb\" argument must be a function');return h(t,e.length),u(r,t,e.length),d(e,t,r,n)},t.randomFillSync=function(e,t,r){void 0===t&&(t=0);if(!(a.isBuffer(e)||e instanceof global.Uint8Array))throw new TypeError('\"buf\" argument must be a Buffer or Uint8Array');h(t,e.length),void 0===r&&(r=e.length-t);return u(r,t,e.length),d(e,t,r)}):(t.randomFill=n,t.randomFillSync=n)},function(e,t,r){var n,i=r(212),o=r(16);e.exports=function(e){return n||(n=i.request(e).catch(function(e){return n=void 0,o.reject(e)})),n}},function(e,t,r){var n=r(18),i=r(16),o=r(10),a=r(9),f=r(7),s=r(2),c=r(3),h={method:\"GET\",params:{},headers:{},credentials:\"include\",isSuccess:function(e){return e>=200&&e<300}},u={JSON:\"application/json\",TEXT:\"text/plain\"},d={NO_XHR:new Error(\"No suitable XHR implementation available.\"),REQUEST_FAILED:new Error(\"XHR request failed.\"),REQUEST_ABORTED:new Error(\"XHR request aborted.\"),REQUEST_TIMED_OUT:new Error(\"XHR request timed out.\"),NETWORK_ERROR:new Error(\"Network error.\")};e.exports={request:function(e,t){var r,l,p,b,y;return t=s.aug({},h,t||{}),r=f.url(e,t.params),l=c.fetch,p=c.AbortController,!l||t.timeout&&!p?function(e,t){var r,f=new n,h=o.ie9(),l=h?c.XDomainRequest:c.XMLHttpRequest;if(!l)return i.reject(d.NO_XHR);function p(){var e=h?r.contentType:r.getResponseHeader(\"content-type\"),n=s.contains(e,u.JSON)?function(e){return e?a.parse(e):e}(r.responseText):r.responseText;h||t.isSuccess(r.status)?f.resolve(n):h||0!==r.status?f.reject(n):f.reject(d.NETWORK_ERROR)}return(r=new l).onreadystatechange=function(){4===r.readyState&&p()},r.onload=p,r.onerror=function(){f.reject(d.REQUEST_FAILED)},r.onabort=function(){f.reject(d.REQUEST_ABORTED)},r.ontimeout=function(){f.reject(d.REQUEST_TIMED_OUT)},r.open(t.method,e),\"include\"===t.credentials&&(r.withCredentials=!0),r.setRequestHeader&&s.forIn(t.headers,function(e){r.setRequestHeader(e,t.headers[e])}),t.timeout&&(r.timeout=t.timeout),r.send(),f.promise}(r,t):(t.timeout&&(b=new p,y=setTimeout(function(){b.abort()},t.timeout),t.signal=b.signal),l(r,t).catch(function(){return y&&clearTimeout(y),i.reject(d.NETWORK_ERROR)}).then(function(e){if(y&&clearTimeout(y),t.isSuccess(e.status))return e.text().then(function(t){var r=e.headers.get(\"content-type\");return t&&s.contains(r,u.JSON)?a.parse(t):t});throw new Error(\"Request failed with status: \"+e.status)}))},mimeTypes:u,errors:d}},function(e,t,r){\"use strict\";r.r(t);var n=\"undefined\"!=typeof crypto&&crypto.getRandomValues&&crypto.getRandomValues.bind(crypto)||\"undefined\"!=typeof msCrypto&&\"function\"==typeof msCrypto.getRandomValues&&msCrypto.getRandomValues.bind(msCrypto),i=new Uint8Array(16);function o(){if(!n)throw new Error(\"crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported\");return n(i)}var a=/^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i;for(var f=function(e){return\"string\"==typeof e&&a.test(e)},s=[],c=0;c<256;++c)s.push((c+256).toString(16).substr(1));var h,u,d=function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,r=(s[e[t+0]]+s[e[t+1]]+s[e[t+2]]+s[e[t+3]]+\"-\"+s[e[t+4]]+s[e[t+5]]+\"-\"+s[e[t+6]]+s[e[t+7]]+\"-\"+s[e[t+8]]+s[e[t+9]]+\"-\"+s[e[t+10]]+s[e[t+11]]+s[e[t+12]]+s[e[t+13]]+s[e[t+14]]+s[e[t+15]]).toLowerCase();if(!f(r))throw TypeError(\"Stringified UUID is invalid\");return r},l=0,p=0;var b=function(e,t,r){var n=t&&r||0,i=t||new Array(16),a=(e=e||{}).node||h,f=void 0!==e.clockseq?e.clockseq:u;if(null==a||null==f){var s=e.random||(e.rng||o)();null==a&&(a=h=[1|s[0],s[1],s[2],s[3],s[4],s[5]]),null==f&&(f=u=16383&(s[6]<<8|s[7]))}var c=void 0!==e.msecs?e.msecs:Date.now(),b=void 0!==e.nsecs?e.nsecs:p+1,y=c-l+(b-p)/1e4;if(y<0&&void 0===e.clockseq&&(f=f+1&16383),(y<0||c>l)&&void 0===e.nsecs&&(b=0),b>=1e4)throw new Error(\"uuid.v1(): Can't create more than 10M uuids/sec\");l=c,p=b,u=f;var v=(1e4*(268435455&(c+=122192928e5))+b)%4294967296;i[n++]=v>>>24&255,i[n++]=v>>>16&255,i[n++]=v>>>8&255,i[n++]=255&v;var g=c/4294967296*1e4&268435455;i[n++]=g>>>8&255,i[n++]=255&g,i[n++]=g>>>24&15|16,i[n++]=g>>>16&255,i[n++]=f>>>8|128,i[n++]=255&f;for(var m=0;m<6;++m)i[n+m]=a[m];return t||d(i)};var y=function(e){if(!f(e))throw TypeError(\"Invalid UUID\");var t,r=new Uint8Array(16);return r[0]=(t=parseInt(e.slice(0,8),16))>>>24,r[1]=t>>>16&255,r[2]=t>>>8&255,r[3]=255&t,r[4]=(t=parseInt(e.slice(9,13),16))>>>8,r[5]=255&t,r[6]=(t=parseInt(e.slice(14,18),16))>>>8,r[7]=255&t,r[8]=(t=parseInt(e.slice(19,23),16))>>>8,r[9]=255&t,r[10]=(t=parseInt(e.slice(24,36),16))/1099511627776&255,r[11]=t/4294967296&255,r[12]=t>>>24&255,r[13]=t>>>16&255,r[14]=t>>>8&255,r[15]=255&t,r};var v=function(e,t,r){function n(e,n,i,o){if(\"string\"==typeof e&&(e=function(e){e=unescape(encodeURIComponent(e));for(var t=[],r=0;r>>9<<4)+1}function m(e,t){var r=(65535&e)+(65535&t);return(e>>16)+(t>>16)+(r>>16)<<16|65535&r}function _(e,t,r,n,i,o){return m((a=m(m(t,e),m(n,o)))<<(f=i)|a>>>32-f,r);var a,f}function w(e,t,r,n,i,o,a){return _(t&r|~t&n,e,t,i,o,a)}function S(e,t,r,n,i,o,a){return _(t&n|r&~n,e,t,i,o,a)}function M(e,t,r,n,i,o,a){return _(t^r^n,e,t,i,o,a)}function E(e,t,r,n,i,o,a){return _(r^(t|~n),e,t,i,o,a)}var A=v(\"v3\",48,function(e){if(\"string\"==typeof e){var t=unescape(encodeURIComponent(e));e=new Uint8Array(t.length);for(var r=0;r>5]>>>n%32&255,o=parseInt(\"0123456789abcdef\".charAt(i>>>4&15)+\"0123456789abcdef\".charAt(15&i),16);t.push(o)}return t}(function(e,t){e[t>>5]|=128<>5]|=(255&e[n/8])<>>32-t}var I=v(\"v5\",80,function(e){var t=[1518500249,1859775393,2400959708,3395469782],r=[1732584193,4023233417,2562383102,271733878,3285377520];if(\"string\"==typeof e){var n=unescape(encodeURIComponent(e));e=[];for(var i=0;i>>0;m=g,g=v,v=B(y,30)>>>0,y=b,b=S}r[0]=r[0]+b>>>0,r[1]=r[1]+y>>>0,r[2]=r[2]+v>>>0,r[3]=r[3]+g>>>0,r[4]=r[4]+m>>>0}return[r[0]>>24&255,r[0]>>16&255,r[0]>>8&255,255&r[0],r[1]>>24&255,r[1]>>16&255,r[1]>>8&255,255&r[1],r[2]>>24&255,r[2]>>16&255,r[2]>>8&255,255&r[2],r[3]>>24&255,r[3]>>16&255,r[3]>>8&255,255&r[3],r[4]>>24&255,r[4]>>16&255,r[4]>>8&255,255&r[4]]});var R=function(e){if(!f(e))throw TypeError(\"Invalid UUID\");return parseInt(e.substr(14,1),16)};r.d(t,\"v1\",function(){return b}),r.d(t,\"v3\",function(){return A}),r.d(t,\"v4\",function(){return k}),r.d(t,\"v5\",function(){return I}),r.d(t,\"NIL\",function(){return\"00000000-0000-0000-0000-000000000000\"}),r.d(t,\"version\",function(){return R}),r.d(t,\"validate\",function(){return f}),r.d(t,\"stringify\",function(){return d}),r.d(t,\"parse\",function(){return y})}]))}();", "BBD545D931B3C24091C287D0C67D294F", "72B3A9C11027EC1087EA00ECAA76E2A4", "content-type", "text/html; charset=UTF-8", "nonce", "/** Anti-fraud and anti-abuse applications only. See google.com/recaptcha */ try{var clients={'sodar':'https://pagead2.googlesyndication.com/pagead/sodar?'};window.addEventListener(\"message\",function(a){try{if(a.source===window.parent){var b=JSON.parse(a.data);var c=clients[b['id']];if(c){var d=document.createElement('img');d.src=c+b['params']+'&rc='+(localStorage.getItem(\"rc::a\")?sessionStorage.getItem(\"rc::b\"):\"\");window.document.body.appendChild(d);sessionStorage.setItem(\"rc::e\",parseInt(sessionStorage.getItem(\"rc::e\")||0)+1);localStorage.setItem(\"rc::h\",'1728454391933');}}}catch(b){}});window.parent.postMessage(\"_grecaptcha_ready\", \"*\");}catch(b){}", "222CCBCD4FA7FEB4A48CB3203D9846B3", "7313F093C66BF9E6375502B302FDAB63", "SandboxRoot", ".SandboxRoot { display: none; }", "BASE"]}