Random_seed
Contains Arabic or Urdu scriptContains a Cyrillic script sequence
SHA-2562a9d18c249bf810c67f07e20adc9d223aa72a28e8505620d3994f553f36c02c7
MaleculeH(Cr)Md
Evidence
1<!DOCTYPE html>
2<html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-menu-disabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 skin-theme-clientpref-day vector-feature-navigation-update-disabled vector-sticky-header-enabled vector-toc-available skin-thumbsize-clientpref-standard" lang="en" dir="ltr">
3<head>
4<meta charset="UTF-8">
5<title>Random seed - Wikipedia</title>
6<script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-menu-disabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 skin-theme-clientpref-day vector-feature-navigation-update-disabled vector-sticky-header-enabled vector-toc-available skin-thumbsize-clientpref-standard";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",
7RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.wikimediamessages.styles":"ready","ext.cite.parsoid.styles":"ready","ext.cite.styles":"ready","mediawiki.skinning.content.parsoid":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","site","mediawiki.page.ready","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","ext.testKitchen","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.
8<script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"});
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10<link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.cite.parsoid.styles%7Cext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediamessages.styles%7Cmediawiki.skinning.content.parsoid%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022">
11<script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022"></script>
12<meta name="ResourceLoaderDynamicStyles" content="">
26<link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)">
27<link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd">
28<link rel="canonical" href="https://en.wikipedia.org/wiki/Random_seed">
29<link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">
30<link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom">
31<link rel="dns-prefetch" href="//meta.wikimedia.org" />
32<link rel="dns-prefetch" href="auth.wikimedia.org">
361 <ul class="vector-menu-content-list">
362
363 <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A8%D8%B0%D8%B1%D8%A9_(%D8%AD%D9%88%D8%B3%D8%A8%D8%A9)" title="بذرة (حوسبة) – Arabic" lang="ar" hreflang="ar" data-title="بذرة (حوسبة)" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Llavor_aleat%C3%B2ria" title="Llavor aleatòria – Catalan" lang="ca" hreflang="ca" data-title="Llavor aleatòria" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Hn%C3%ADzdo_n%C3%A1hodn%C3%BDch_%C4%8D%C3%ADsel" title="Hnízdo náhodných čísel – Czech" lang="cs" hreflang="cs" data-title="Hnízdo náhodných čísel" data-language-autonym="�
364 </ul>
365 <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1886131#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div>
366 </div>
583
584 <div id="mw-content-text" class="mw-body-content"><div class="mw-subjectpageheader">
585</div><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr" data-mw-parsoid-version="0.24.0.0-alpha14" data-mw-html-version="2.8.0"><section data-mw-section-id="0" id="mwAQ"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none" about="#mwt1" typeof="mw:Transclusion" id="mwAg" data-mw='{"parts":[{"template":{"target":{"wt":"Short description","href":"./Template:Short_description"},"params":{"1":{"wt":"Value used to initialize a pseudo-random number generator"}},"i":0}}]}'>Value used to initialize a pseudo-random number generator</div><span class="mw-empty-elt" about="#mwt1"><link rel="mw:PageProp/Category" href="./Category:Articles_with_short_description"/><link rel="mw:PageProp/Category" href="./Category:Short_description_matches_Wikidata"/></span>
586<span class="mw-empty-elt" about="#mwt2" typeof="mw:Transclusion" id="mwAw" data-mw='{"parts":[{"template":{"target":{"wt":"More citations needed","href":"./Template:More_citations_needed"},"params":{"date":{"wt":"October 2021"}},"i":0}}]}'><style data-mw-deduplicate="TemplateStyles:r1364180890" typeof="mw:Extension/templatestyles" about="#mwt3" data-mw='{"name":"templatestyles","attrs":{"src":"Module:Message box/ambox.css"},"body":{"extsrc":""}}'>.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+.mw-empty-elt+.ambox,.mw-parser-output .ambox+.mw-empty-elt+.mw-empty-elt+.ambox,.mw-parser-output .ambox+.mw-empty-elt+.mw-empty-elt+.mw-empty-elt+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fe
587<p id="mwBA">A <b id="mwBQ">random seed</b> (or <b id="mwBg">seed state</b>, or just <b id="mwBw">seed</b>) is a <a rel="mw:WikiLink" href="//en.wikipedia.org/wiki/Number" title="Number" id="mwCA">number</a> (or <a rel="mw:WikiLink" href="//en.wikipedia.org/wiki/Array_data_structure" title="Array data structure" class="mw-redirect" id="mwCQ">vector</a>) used to <a rel="mw:WikiLink" href="//en.wikipedia.org/wiki/Initial_condition" title="Initial condition" id="mwCg">initialize</a> a <a rel="mw:WikiLink" href="//en.wikipedia.org/wiki/Pseudorandom_number_generator" title="Pseudorandom number generator" id="mwCw">pseudorandom number generator</a>.</p>
593<p id="mwDw">The choice of a good random seed is crucial in the field of <a rel="mw:WikiLink" href="//en.wikipedia.org/wiki/Computer_security" title="Computer security" id="mwEA">computer security</a>. When a secret <a rel="mw:WikiLink" href="//en.wikipedia.org/wiki/Encryption" title="Encryption" id="mwEQ">encryption</a> <a rel="mw:WikiLink" href="//en.wikipedia.org/wiki/Key_(cryptography)" title="Key (cryptography)" id="mwEg">key</a> is <a rel="mw:WikiLink" href="//en.wikipedia.org/wiki/Pseudorandom" title="Pseudorandom" class="mw-redirect" id="mwEw">pseudorandomly</a> <a rel="mw:WikiLink" href="//en.wikipedia.org/wiki/Key_generation" title="Key generation" id="mwFA">generated</a>, having the seed will allow one to obtain the key. High <a rel="mw:WikiLink" href="//en.wikipedia.org/wiki/Entropy_(computing)" title="Entropy (computing)" id="mwFQ">entropy</a> is important for selecting good random seed data.<sup about="#mwt6" class="mw-ref reference" id="cite_ref-1" rel="dc:references" typeof="mw:Extension/ref"