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xlink:href="#svg-search"></use></svg></label> </div> <div id="search-results" class="search-results"></div> </div> </div> <div class="main-content-wrap"> <nav aria-label="Breadcrumb" class="breadcrumb-nav"> <ol class="breadcrumb-nav-list"> <li class="breadcrumb-nav-list-item"><a href="/applications/">Applications and protocols</a></li> <li class="breadcrumb-nav-list-item"><span>SSH</span></li> </ol> </nav> <div id="main-content" class="main-content"> <main> <h1 class="no_toc" id="ssh"> <a href="#ssh" class="anchor-heading" aria-labelledby="ssh"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> SSH </h1> <h2 class="no_toc text-delta" id="table-of-contents"> <a href="#table-of-contents" class="anchor-heading" aria-labelledby="table-of-contents"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Table of contents </h2> <ol id="markdown-toc"> <li><a href="#oqs-openssh" id="markdown-toc-oqs-openssh">OQS-OpenSSH</a></li> <li><a href="#oqs-libssh" id="markdown-toc-oqs-libssh">OQS-libssh</a></li> </ol> <p>We’ve integrated liboqs into forks of OpenSSH and libssh to provide prototype post-quantum and hybrid key exchange in the SSH protocol. Researchers looking to try additional post-quantum algorithms can easily add more algorithms that follow the OQS API.</p> <p>A <a href="https://github.com/open-quantum-safe/openssh/blob/OQS-master/ietf_pre_draft_sike_bike_hybrid_kex.txt">pre-Internet-Draft</a> is available describing how the SSH protocol was adapted to include the hybrid PQ key exchange algorithms.</p> <p>The goal of these integrations is to provide easy prototyping of quantum-resistant cryptography and should not be considered “production quality”. Please see more about <a href="../about#limitations">limitations of our prototype software</a>.</p> <h2 id="oqs-openssh"> <a href="#oqs-openssh" class="anchor-heading" aria-labelledby="oqs-openssh"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> OQS-OpenSSH </h2> <div class="float-right"><a class="btn btn-purple" href="https://github.com/open-quantum-safe/openssh">OQS-OpenSSH <br /> on Github <img src="/img/logos/GitHub-Mark-Light-64px.png" style="height: 1em; padding-left: 1em; margin-bottom: -2px;" /></a></div> <p>Our <a href="https://github.com/open-quantum-safe/openssh">OpenSSH fork</a> implements post-quantum and hybrid key exchange in the SSH protocol. See the <a href="https://github.com/open-quantum-safe/openssh/blob/OQS-master/README.md">README</a> for the list of supported algorithms and usage instructions.</p> <h3 class="no_toc" id="demo-integration"> <a href="#demo-integration" class="anchor-heading" aria-labelledby="demo-integration"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Demo integration </h3> <div class="float-right"><a class="btn btn-purple" href="https://github.com/open-quantum-safe/oqs-demos">OQS-Demos <br /> on Github <img src="/img/logos/GitHub-Mark-Light-64px.png" style="height: 1em; padding-left: 1em; margin-bottom: -2px;" /></a></div> <p>The easiest way to get started with experimenting with post-quantum cryptography is to use our pre-built Docker image containing post-quantum-enabled openssh:</p> <ul> <li><a href="https://hub.docker.com/r/openquantumsafe/openssh">Getting and running the pre-built post-quantum enabled <strong>openssh</strong> demo Docker image</a></li> <li><a href="https://github.com/open-quantum-safe/oqs-demos/tree/main/openssh">Building your own openssh demo Docker image</a></li> </ul> <p>There also exist <a href="tls#demo-integrations">post-quantum-enabled docker images for TLS applications</a>.</p> <h3 class="no_toc" id="releases"> <a href="#releases" class="anchor-heading" aria-labelledby="releases"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Releases </h3> <ul> <li><a href="https://github.com/open-quantum-safe/openssh/releases/tag/OQS-OpenSSH-snapshot-2024-08">snapshot 2024-08</a> aligned with liboqs 0.10.1 (August 30, 2024) <span class="label label-green">current version</span></li> <li><a href="https://github.com/open-quantum-safe/openssh/releases/tag/OQS-OpenSSH-snapshot-2023-06">snapshot 2023-10</a> aligned with liboqs 0.9.0 (October 21, 2023)</li> <li><a href="https://github.com/open-quantum-safe/openssh/releases/tag/OQS-OpenSSH-snapshot-2023-06">snapshot 2023-06</a> aligned with liboqs 0.8.0 (June 26, 2023)</li> <li><a href="https://github.com/open-quantum-safe/openssh/releases/tag/OQS-OpenSSH-snapshot-2022-08">snapshot 2022-08</a> aligned with liboqs 0.7.2 (August 23, 2022)</li> <li><a href="https://github.com/open-quantum-safe/openssh/releases/tag/OQS-OpenSSH-snapshot-2022-01">snapshot 2022-01</a> aligned with liboqs 0.7.1 (January 6, 2022)</li> <li><a href="https://github.com/open-quantum-safe/openssh/releases/tag/OQS-OpenSSH-snapshot-2021-08">snapshot 2021-08</a> aligned with liboqs 0.7.0 (August 11, 2021)</li> <li><a href="https://github.com/open-quantum-safe/openssh/releases/tag/OQS-OpenSSH-snapshot-2020-08">snapshot 2020-08</a> aligned with liboqs 0.4.0 (September 3, 2020)</li> <li><a href="https://github.com/open-quantum-safe/openssh/releases/tag/OQS-OpenSSH-snapshot-2020-07">snapshot 2020-07</a> aligned with liboqs 0.3.0 (July 10, 2020)</li> <li><a href="https://github.com/open-quantum-safe/openssh/releases/tag/OQS-OpenSSH-snapshot-2019-10">snapshot 2019-10</a> aligned with liboqs 0.2.0 (October 8, 2019)</li> <li><a href="https://github.com/open-quantum-safe/openssh/releases/tag/OQS-OpenSSH-snapshot-2018-11">snapshot 2018-11</a> aligned with liboqs 0.1.0 (November 13, 2018)</li> <li><a href="https://github.com/open-quantum-safe/liboqs/releases">all releases</a></li> </ul> <h2 id="oqs-libssh"> <a href="#oqs-libssh" class="anchor-heading" aria-labelledby="oqs-libssh"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> OQS-libssh </h2> <p class="warning"><b>Note:</b> Our libssh integration is currently inactive and not receiving updates. Contributors are welcome.</p> <div class="float-right"><a class="btn btn-purple" href="https://github.com/open-quantum-safe/libssh">OQS-libssh <br /> on Github <img src="/img/logos/GitHub-Mark-Light-64px.png" style="height: 1em; padding-left: 1em; margin-bottom: -2px;" /></a></div> <p>Our <a href="https://github.com/open-quantum-safe/libssh">libssh fork</a> implements post-quantum and hybrid key exchange in the SSH protocol. See the <a href="https://github.com/open-quantum-safe/libssh/blob/OQS-master/README.md">README</a> for the list of supported algorithms and usage instructions.</p> <h3 class="no_toc" id="releases-1"> <a href="#releases-1" class="anchor-heading" aria-labelledby="releases-1"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Releases </h3> <ul> <li><a href="https://github.com/open-quantum-safe/libssh/releases/tag/OQS-libssh-snapshot-2022-01">snapshot 2022-01</a> aligned with liboqs 0.7.1 (January 25, 2022) <span class="label label-green">current version</span></li> </ul> </main> <hr> <footer> <p class="text-small text-grey-dk-100 mb-0">Copyright © Open Quantum Safe a Series of LF Projects, LLC.<br>For website terms of use, trademark policy, and other project policies, please see <a href='https://lfprojects.org'>https://lfprojects.org</a>.<br /> This site uses <a href='https://pmarsceill.github.io/just-the-docs/' target='_blank'>Just the Docs</a>, a documentation theme for Jekyll. 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