Cryptographic Standards and Guidelines

<!DOCTYPE html> <html lang="en-us" xml:lang="en-us"> <head> <meta charset="utf-8" /> <title>Cryptographic Standards and Guidelines | CSRC</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> <meta http-equiv="content-style-type" content="text/css" /> <meta http-equiv="content-script-type" content="text/javascript" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="msapplication-config" content="/CSRC/Media/images/favicons/browserconfig.xml" /> <meta name="theme-color" content="#000000" /> <meta name="google-site-verification" content="xbrnrVYDgLD-Bd64xHLCt4XsPXzUhQ-4lGMj4TdUUTA" /> <meta name="description" content="Users of the former 'Crypto Toolkit' can now find that content under this project. It includes cryptographic primitives, algorithms and schemes are described in some of NIST's Federal Information Processing Standards (FIPS), Special Publications (SPs) and..." />  <meta name="dcterms.title" content="Cryptographic Standards and Guidelines | CSRC | CSRC" /> <meta name="dcterms.description" content="Users of the former 'Crypto Toolkit' can now find that content under this project. It includes cryptographic primitives, algorithms and schemes are described in some of NIST's Federal Information Processing Standards (FIPS), Special Publications (SPs) and..." /> <meta name="dcterms.creator" content="Computer Security Division, Information Technology Laboratory, National Institute of Standards and Technology, U.S. Department of Commerce" /> <meta name="dcterms.date.created" scheme="ISO8601" content="2016-12-29" /> <meta name="dcterms.date.reviewed" scheme="ISO8601" content="2024-08-16" /> <meta name="dcterms.language" scheme="DCTERMS.RFC1766" content="EN-US" />  <meta name="og:site_name" content="CSRC | NIST" /> <meta name="og:type" content="article" /> <meta name="og:url" content="https://csrc.nist.gov/Projects/cryptographic-standards-and-guidelines" /> <meta name="og:title" content="Cryptographic Standards and Guidelines | CSRC | CSRC" /> <meta name="og:description" content="Users of the former 'Crypto Toolkit' can now find that content under this project. It includes cryptographic primitives, algorithms and schemes are described in some of NIST's Federal Information Processing Standards (FIPS), Special Publications (SPs) and NIST Internal/Interagency Reports (NISTIRs).   Crypto Standards and Guidelines Activities Block Cipher Techniques Crypto Publications Review Digital Signatures Hash Functions Interoperable Randomness Beacons Key Management  Lightweight Cryptography (LWC) Message Authentication Codes (MACs) Multi-Party Threshold Cryptography Post-quantum Cryptography (PQC) Privacy-Enhancing Cryptography (PEC) Random Bit Generation   Additional Cryptographic Research Circuit Complexity Elliptic Curve Cryptography Masked Circuits Pairing-Based Cryptography We also host a Crypto Reading Club.   For a high-level description (with examples) of our cryptographic standards activities, see these posters from the 2019 and 2020 ITL Science Day at NIST...." /> <meta name="article:tag" content="" /> <meta name="article:published_time" content="2016-12-29" /> <meta name="article:modified_time" content="2024-08-16" /> <link rel="apple-touch-icon" sizes="180x180" href="/images/icons/apple-touch-icon.png" /> <link rel="icon" type="image/png" href="/images/icons/favicon-32x32.png" sizes="32x32" /> <link rel="icon" type="image/png" href="/images/icons/favicon-16x16.png" sizes="16x16" /> <link rel="manifest" href="/images/icons/manifest.json" /> <link rel="mask-icon" href="/images/icons/safari-pinned-tab.svg" color="#000000" /> <link href="/CSRC/Media/images/favicons/favicon.ico" type="image/x-icon" rel="shortcut icon" /> <link href="/CSRC/Media/images/favicons/favicon.ico" type="image/x-icon" rel="icon" /> <link href="/dist/app.css" rel="stylesheet" />  <link href="/dist/highlight-js/github.css" rel="stylesheet" />  <link href="/dist/uswds/css/uswds.css" type="text/css" rel="stylesheet" /> <script type="text/javascript" src="/dist/uswds/js/uswds-init.min.js"></script>  <style> .grecaptcha-badge { visibility: hidden; } </style> <script async type="text/javascript" id="_fed_an_ua_tag" src="https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=nist&subagency=csrc&pua=UA-66610693-15&yt=true&exts=xsd,xml,wav,mpg,mpeg,avi,rtf,webm,ogg,ogv,oga,map,otf,eot,svg,ttf,woff"></script> <style id="antiClickjackCss"> body > * { display: none !important; } #antiClickjack { display: block !important; } </style> <noscript> <style id="antiClickjackNoScript"> body > * { display: block !important; } #antiClickjack { display: none !important; } </style> </noscript> <script type="text/javascript" id="antiClickjackScript"> if (self === top) { // no clickjacking var antiClickjack = document.getElementById("antiClickjackCss"); antiClickjack.parentNode.removeChild(antiClickjack); } else { setTimeout(tryForward(), 5000); } function tryForward() { top.location = self.location; } </script>  <script async src="https://www.googletagmanager.com/gtag/js?id=G-TSQ0PLGJZP"></script> <script> 聽聽window.dataLayer = window.dataLayer || []; 聽聽function gtag(){dataLayer.push(arguments);} 聽聽gtag('js', new Date()); 聽聽gtag('config', 'G-TSQ0PLGJZP'); </script>  <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-MZQC4NCJ');</script>  </head> <body>  <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-MZQC4NCJ" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>  <div id="antiClickjack" style="display: none;"> <strong style="font-size: 1.6rem;">You are viewing this page in an unauthorized frame window.</strong> <p>This is a potential security issue, you are being redirected to <a href="https://csrc.nist.gov">https://csrc.nist.gov</a>.</p> </div> <section class="usa-banner" aria-label="Official website of the United States government"> <div class="usa-accordion"> <header class="usa-banner__header"> <noscript> <p style="font-size: 0.85rem; font-weight: bold;">You have JavaScript disabled. 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Links</h4> <div class="project-icons-container"> <span> <a href="/projects/cryptographic-standards-and-guidelines" id="NavOverviewLink-sm"> <i class="fa fa-info-circle"></i> Overview </a> </span> <span> <a href="/Projects/cryptographic-standards-and-guidelines/news" id="NavNewsLink-sm" data-count="2"> <i class="fa fa-newspaper-o"></i> News & Updates </a> </span> <span> <a href="/Projects/cryptographic-standards-and-guidelines/publications" id="NavPubsLink-sm" data-count="5"> <i class="fa fa-file-text"></i> Publications </a> </span> <span> <a href="/Projects/cryptographic-standards-and-guidelines/presentations" id="NavPresLink-sm" data-count="2"> <i class="fa fa-desktop"></i> Presentations </a> </span> </div> </div> </div> </div> <div class="row"> <div class="col-lg-8 col-sm-12"> <h3>Overview</h3> <div id="overview"> <div style="background:#eeeeee; border:1px solid #cccccc; padding:5px 10px">Users of the former "Crypto Toolkit" can now find that content under this project. It includes cryptographic primitives, algorithms and schemes are described in some of NIST's Federal Information Processing Standards (FIPS), Special Publications (SPs) and NIST Internal/Interagency Reports (NISTIRs).</div> <p> </p> <h4>Crypto Standards and Guidelines Activities</h4> <ul> </ul> <ul> <li><a href="/projects/block-cipher-techniques">Block Cipher Techniques</a></li> <li><a data-csrc-link="true" data-node-guid="74deef64-c1c3-44cc-b3d2-86c7faf59c96" href="/projects/crypto-publication-review-project">Crypto Publications Review</a></li> <li><a href="/projects/digital-signatures">Digital Signatures</a></li> <li><a href="/projects/hash-functions">Hash Functions</a></li> <li><a data-csrc-link="true" data-node-guid="888b65b9-f253-48e8-8156-2cd9d4d4c93a" href="/projects/interoperable-randomness-beacons">Interoperable Randomness Beacons</a></li> <li><a href="/projects/key-management">Key Management</a> </li> <li><a data-csrc-link="true" data-node-guid="472481d2-f795-4a1a-8ad7-684afc7a2109" href="/projects/lightweight-cryptography">Lightweight Cryptography</a> (LWC)</li> <li><a href="/projects/message-authentication-codes">Message Authentication Codes</a> (MACs)</li> <li><a data-csrc-link="true" data-node-guid="6eabb597-1845-4649-8186-0625ea98a9e7" href="/projects/threshold-cryptography">Multi-Party Threshold Cryptography</a></li> <li><a href="/projects/post-quantum-cryptography">Post-quantum Cryptography</a> (PQC)</li> <li><a data-csrc-link="true" data-node-guid="a4c97cb0-8ca2-4e2c-b5e7-0c49f62221de" href="/projects/pec">Privacy-Enhancing Cryptography</a> (PEC)</li> <li><a href="/projects/random-bit-generation">Random Bit Generation</a></li> </ul> <p> </p> <h4>Additional Cryptographic Research</h4> <ul> <li><a data-csrc-link="true" data-node-guid="1321193d-396e-4046-8a9e-b6dfed5b2b67" href="/projects/circuit-complexity">Circuit Complexity</a></li> <li><a data-csrc-link="true" data-node-guid="90326a89-0163-4604-95f1-9131bbe5b8c3" href="/projects/elliptic-curve-cryptography">Elliptic Curve Cryptography</a></li> <li><a data-csrc-link="true" data-node-guid="8336ec3f-ec17-4644-809b-a3701b10f71a" href="/projects/masked-circuits">Masked Circuits</a></li> <li><a data-csrc-link="true" data-node-guid="cd28a28e-fb83-4e23-bf23-f713625e9941" href="/projects/pairing-based-cryptography">Pairing-Based Cryptography</a></li> <li>We also host a <a data-csrc-link="true" data-node-guid="68b66c36-4181-455a-b3e0-2aa808cbafbd" href="/projects/crypto-reading-club">Crypto Reading Club</a>.</li> </ul> <p> </p> <div style="background:#eeeeee; border:1px solid #cccccc; padding:5px 10px">For a high-level description (with examples) of our cryptographic standards activities, see these posters from the <strong><a data-csrc-link="true" data-node-guid="6b894eae-5c90-43dc-be8d-c5e471b370a2" href="/presentations/2019/standards-crypto-2019">2019</a></strong> and <strong><a data-csrc-link="true" data-node-guid="6480e068-1fa3-4564-aa7c-c033c0dbb131" href="/presentations/2020/standards-crypto-2020">2020</a></strong> ITL Science Day at NIST.</div> <p> </p> <h4>Implementation-related References</h4> <ul> <li><a href="/projects/cryptographic-algorithm-validation-program">Cryptographic Algorithm Validation Program (CAVP)</a></li> <li><a data-csrc-link="true" data-node-guid="29125ee8-7676-4344-8b88-c6d4634e9ce6" href="/projects/cryptographic-standards-and-guidelines/example-values">Examples with Intermediate Values </a></li> <li><a data-csrc-link="true" data-node-guid="8ab71b62-b0d5-4349-9d82-6e562e791693" href="/projects/computer-security-objects-register">Object Identifiers (OIDs): Computer Security Objects Register (CSOR)</a></li> <li><a data-csrc-link="true" data-node-guid="051f9178-8965-49bb-9723-074a97542373" href="/projects/pki-testing">PKI Testing</a></li> </ul> <p> </p> <h4>Guideline for Using Cryptography in the Federal Government</h4> <ul> <li>Directives, mandates and policies (<a data-csrc-pub-link="true" data-pub-guid="b094535b-1602-4cd5-9304-db59aa8cee82" href="/pubs/sp/800/175/a/final">SP 800-175A</a>)</li> <li>Cryptographic mechanisms (<a data-csrc-pub-link="true" data-pub-guid="70c29b6a-a259-40b3-8e6b-2e6139ce126d" href="/pubs/sp/800/175/b/r1/final">SP 800-175B</a> Revision 1)<br>  </li> </ul> <h4>Cryptographic Standards and Guidelines Development Process</h4> <p style="margin-left:40px">Learn about NIST's process for developing crypto standards and guidelines in <a data-csrc-pub-link="true" data-pub-guid="3f5e4f41-0ef8-4ef7-80cc-b7770925b8ae" href="/pubs/ir/7977/final">NISTIR 7977</a> and on the <a data-csrc-link="true" data-node-guid="2b1d8246-db09-4e4f-8b28-72972a057c10" href="/projects/crypto-standards-development-process">project homepage</a>. NIST now also has a <a data-csrc-link="true" data-node-guid="74deef64-c1c3-44cc-b3d2-86c7faf59c96" href="/projects/crypto-publication-review-project">Crypto Publication Review Project</a> for reviewing cryptographic publications that were published more than five years ago. </p>  </div> </div> <div class="col-lg-4 hidden-xs hidden-sm hidden-md"> <div class="project-nav-container"> <div class="bs-callout bs-callout-subnav" id="projectLinksContainer-lg"> <h4><i class="fa fa-link"></i> Project Links</h4> <div class="project-icons-container"> <span> <a href="/projects/cryptographic-standards-and-guidelines" id="SideNavOverviewLink"> <i class="fa fa-info-circle"></i> Overview </a> </span> <span> <a href="/Projects/cryptographic-standards-and-guidelines/news" id="SideNavNewsLink" data-count="2"> <i class="fa fa-newspaper-o"></i> News & Updates </a> </span> <span> <a href="/Projects/cryptographic-standards-and-guidelines/publications" id="SideNavPubsLink" data-count="5"> <i class="fa fa-file-text"></i> Publications </a> </span> <span> <a href="/Projects/cryptographic-standards-and-guidelines/presentations" id="SideNavPresLink" data-count="2"> <i class="fa fa-desktop"></i> Presentations </a> </span> </div> <h4>Additional Pages</h4> <div id="projectPagesCallout-lg"> <a class="csrc-add-page" data-node-level="0" data-node-order="2" href="/Projects/cryptographic-standards-and-guidelines/example-values" id="projPage0" style="border-left: solid 0rem transparent;">Example Values</a> <a class="csrc-add-page" data-node-level="0" data-node-order="3" href="/Projects/cryptographic-standards-and-guidelines/Crypto-Enabled-Applications" id="projPage1" style="border-left: solid 0rem transparent;">Crypto-Enabled Applications</a> <a class="csrc-add-page" data-node-level="0" data-node-order="5" href="/Projects/cryptographic-standards-and-guidelines/Archived-Crypto-Projects" id="projPage2" style="border-left: solid 0rem transparent;">Archived Crypto Projects</a> <a class="csrc-add-page" data-node-level="1" data-node-order="1" href="/Projects/cryptographic-standards-and-guidelines/Archived-Crypto-Projects/aes-development" id="projPage3" style="border-left: solid 1rem transparent;">AES Development</a> </div> </div> </div> <div class="bs-callout bs-callout-success" id="contactsCallout-lg"> <h4><i class="fa fa-user"></i> Contacts</h4> <p id="projContact0"><span class='contact-display'><strong data-field='full-name'> <span data-field='lastname'>Inquiries</span> </strong><br/><a href='mailto:crypto@nist.gov' data-field='email'>crypto@nist.gov</a><br/></span></p> <p id="projContact1"><span class='contact-display'><strong data-field='full-name'> <span data-field='firstname'>Andrew</span> <span data-field='lastname'>Regenscheid</span> </strong><br/></span></p> </div> <div class="bs-callout bs-callout-danger" id="owningGroupCallout-lg"> <h4><i class="fa fa-sitemap"></i> Group</h4> <a href="/Groups/Computer-Security-Division/Cryptographic-Technology">Cryptographic Technology</a> </div> <div class="bs-callout bs-callout-warning" id="relatedProjectsCallout-lg"> <h4>Related Projects</h4> <a href="/Projects/block-cipher-techniques" id="relProjLink0">Block Cipher Techniques</a><br/> <a href="/Projects/circuit-complexity" id="relProjLink1">Circuit Complexity</a><br/> <a href="/Projects/computer-security-objects-register" id="relProjLink2">Computer Security Objects Register</a><br/> <a href="/Projects/crypto-publication-review-project" id="relProjLink3">Crypto Publication Review Project</a><br/> <a href="/Projects/crypto-reading-club" id="relProjLink4">Crypto Reading Club</a><br/> <a href="/Projects/crypto-standards-development-process" id="relProjLink5">Crypto Standards Development Process</a><br/> <a href="/Projects/cryptographic-algorithm-validation-program" id="relProjLink6">Cryptographic Algorithm Validation Program</a><br/> <a href="/Projects/digital-signatures" id="relProjLink7">Digital Signatures</a><br/> <a href="/Projects/elliptic-curve-cryptography" id="relProjLink8">Elliptic Curve Cryptography</a><br/> <a href="/Projects/hash-functions" id="relProjLink9">Hash Functions</a><br/> <a href="/Projects/key-management" id="relProjLink10">Key Management</a><br/> <a href="/Projects/lightweight-cryptography" id="relProjLink11">Lightweight Cryptography</a><br/> <a href="/Projects/message-authentication-codes" id="relProjLink12">Message Authentication Codes</a><br/> <a href="/Projects/threshold-cryptography" id="relProjLink13">Multi-Party Threshold Cryptography</a><br/> <a href="/Projects/pairing-based-cryptography" id="relProjLink14">Pairing-Based Cryptography</a><br/> <a href="/Projects/post-quantum-cryptography" id="relProjLink15">Post-Quantum Cryptography</a><br/> <a href="/Projects/pec" id="relProjLink16">Privacy-Enhancing Cryptography</a><br/> <a href="/Projects/random-bit-generation" id="relProjLink17">Random Bit Generation</a><br/> </div> </div> </div> <div class="row visible-sm visible-xs visible-md"> <div class="col-sm-12"> <div class="bs-callout bs-callout-subnav" id="projectPagesCallout-sm"> <h4>Additional Pages</h4> <p> <a class="csrc-add-page" data-node-level="0" data-node-order="2" href="/Projects/cryptographic-standards-and-guidelines/example-values" id="projPage0-sm" style="border-left: solid 0rem transparent;">Example Values</a> <a class="csrc-add-page" data-node-level="0" data-node-order="3" href="/Projects/cryptographic-standards-and-guidelines/Crypto-Enabled-Applications" id="projPage1-sm" style="border-left: solid 0rem transparent;">Crypto-Enabled Applications</a> <a class="csrc-add-page" data-node-level="0" data-node-order="5" href="/Projects/cryptographic-standards-and-guidelines/Archived-Crypto-Projects" id="projPage2-sm" style="border-left: solid 0rem transparent;">Archived Crypto Projects</a> <a class="csrc-add-page" data-node-level="1" data-node-order="1" href="/Projects/cryptographic-standards-and-guidelines/Archived-Crypto-Projects/aes-development" id="projPage3-sm" style="border-left: solid 1rem transparent;">AES Development</a> </p> </div> <div class="bs-callout bs-callout-subnav" id="contactsCallout-sm"> <h4><i class="fa fa-user"></i> Contacts</h4> <p style="padding-left: 15px;"> <span id="projContact0-sm"><span class='contact-display'><strong data-field='full-name'> <span data-field='lastname'>Inquiries</span> </strong><br/><a href='mailto:crypto@nist.gov' data-field='email'>crypto@nist.gov</a><br/></span></span><br/> <span id="projContact1-sm"><span class='contact-display'><strong data-field='full-name'> <span data-field='firstname'>Andrew</span> <span data-field='lastname'>Regenscheid</span> </strong><br/></span></span><br/> </p> </div> <div class="bs-callout bs-callout-danger" id="owningGroupCallout-sm"> <h4><i class="fa fa-sitemap"></i> Group</h4> <a href="/Groups/Computer-Security-Division/Cryptographic-Technology">Cryptographic Technology</a> </div> <div class="bs-callout bs-callout-warning" id="relatedProjectsCallout-sm"> <h4>Related Projects</h4> <p> <a href="/Projects/block-cipher-techniques" id="relProjLink0-sm">Block Cipher Techniques</a><br/> <a href="/Projects/circuit-complexity" id="relProjLink1-sm">Circuit Complexity</a><br/> <a href="/Projects/computer-security-objects-register" id="relProjLink2-sm">Computer Security Objects Register</a><br/> <a href="/Projects/crypto-publication-review-project" id="relProjLink3-sm">Crypto Publication Review Project</a><br/> <a href="/Projects/crypto-reading-club" id="relProjLink4-sm">Crypto Reading Club</a><br/> <a href="/Projects/crypto-standards-development-process" id="relProjLink5-sm">Crypto Standards Development Process</a><br/> <a href="/Projects/cryptographic-algorithm-validation-program" id="relProjLink6-sm">Cryptographic Algorithm Validation Program</a><br/> <a href="/Projects/digital-signatures" id="relProjLink7-sm">Digital Signatures</a><br/> <a href="/Projects/elliptic-curve-cryptography" id="relProjLink8-sm">Elliptic Curve Cryptography</a><br/> <a href="/Projects/hash-functions" id="relProjLink9-sm">Hash Functions</a><br/> <a href="/Projects/key-management" id="relProjLink10-sm">Key Management</a><br/> <a href="/Projects/lightweight-cryptography" id="relProjLink11-sm">Lightweight Cryptography</a><br/> <a href="/Projects/message-authentication-codes" id="relProjLink12-sm">Message Authentication Codes</a><br/> <a href="/Projects/threshold-cryptography" id="relProjLink13-sm">Multi-Party Threshold Cryptography</a><br/> <a href="/Projects/pairing-based-cryptography" id="relProjLink14-sm">Pairing-Based Cryptography</a><br/> <a href="/Projects/post-quantum-cryptography" id="relProjLink15-sm">Post-Quantum Cryptography</a><br/> <a href="/Projects/pec" id="relProjLink16-sm">Privacy-Enhancing Cryptography</a><br/> <a href="/Projects/random-bit-generation" id="relProjLink17-sm">Random Bit Generation</a><br/> </p> </div> </div> </div> <div class="row"> <div class="col-md-12 historical-data-area" id="historical-data-area"> <span>Created <span id="page-created-date">December 29, 2016</span>, Updated <span id="page-updated-date">August 16, 2024</span></span> </div> </div> <div id="footer-pusher"></div> </div> <footer id="footer"> <div class="container"> <div class="row"> <div class="col-sm-6"> <span class="hidden-xs"> <a href="https://www.nist.gov" title="National Institute of Standards and Technology" rel="home" target="_blank" class="footer-nist-logo" id="footer-nist-logo-link"> <img src="/CSRC/Media/images/nist-logo-brand-white.svg" alt="National Institute of Standards and Technology logo" id="footer-nist-logo" /> </a> </span> <div class="row footer-contact-container"> <div class="col-sm-12" id="footer-address"> <strong>HEADQUARTERS</strong><br> 100 Bureau Drive<br> Gaithersburg, MD 20899 </div> 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