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<title>
lib25519: Download</title>
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lib25519</div>
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<div class="navt away"><a href=index.html>Intro</a>
</div><div class="navt here">Download
</div><div class="navt away"><a href=install.html>Install</a>
</div><div class="navt away"><a href=api.html>API</a>
</div><div class="navt away"><a href=x25519-cli.html>X CLI</a>
</div><div class="navt away"><a href=ed25519-cli.html>Ed CLI</a>
</div><div class="navt away"><a href=security.html>Security</a>
</div><div class="navt away"><a href=speed.html>Speed</a>
</div><div class="navt away"><a href=internals.html>Internals</a>
</div><div class="navt away"><a href=people.html>People</a>
</div><div class="navt away"><a href=license.html>License</a>
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<p>To download and unpack the latest version of lib25519:</p>
<pre><code> wget -m https://lib25519.cr.yp.to/lib25519-latest-version.txt
version=$(cat lib25519.cr.yp.to/lib25519-latest-version.txt)
wget -m https://lib25519.cr.yp.to/lib25519-$version.tar.gz
tar -xzf lib25519.cr.yp.to/lib25519-$version.tar.gz
cd lib25519-$version
</code></pre>
<p>Then <a href="install.html">install</a>.</p>
<h3 id="changelog">Archives and changelog (reverse chronological)</h3>
<p><a href="lib25519-20230630.tar.gz"><code>lib25519-20230630.tar.gz</code></a> <a href="lib25519-20230630.html">browse</a></p>
<p>Add <code>powbatch</code>, <code>nPbatch</code>, and <code>multiscalar</code> APIs
with various implementations for basic amd64, BMI, ADX, AVX2, and AVX-512,
plus portable implementations.</p>
<p>Include benchmarks on more microarchitectures.
Add auto-generated table in documentation
summarizing <a href="speed.html">speeds</a>,
with OpenSSL speeds as a baseline for comparison.</p>
<p>For compatibility with musl etc.,
support <code>constructor</code> as an alternative to <code>ifunc</code> for dispatch.
Select <code>constructor</code> automatically if an <code>ifunc</code> compile-time test fails,
or if <code>--notryifunc</code> is passed to <code>./configure</code>.</p>
<p>Add command-line interface for shell scripts.</p>
<p>Rely on separate <a href="https://cpucycles.cr.yp.to">libcpucycles</a>
to automatically use RDPMC etc.,
and separate <a href="https://randombytes.cr.yp.to">librandombytes</a>
to automatically use <code>getrandom</code> etc.</p>
<p>Reorganize documentation into <code>doc/*.md</code> directory,
with auto-generation of HTML and manual pages.</p>
<p>Inside auto-generation of <code>command/lib25519-test.c</code>,
automatically cache Python computations of nP etc.</p>
<p>Reorganize precomputed tests to handle APIs with variable-length inputs and outputs.</p>
<p>Import infrastructure improvements from libmceliece.</p>
<p><a href="lib25519-20221222.tar.gz"><code>lib25519-20221222.tar.gz</code></a> <a href="lib25519-20221222.html">browse</a></p>
<p><a href="lib25519-20220726.tar.gz"><code>lib25519-20220726.tar.gz</code></a> <a href="lib25519-20220726.html">browse</a></p>
<p><a href="lib25519-20220426.tar.gz"><code>lib25519-20220426.tar.gz</code></a> <a href="lib25519-20220426.html">browse</a></p><hr><font size=1><b>Version:</b>
This is version 2023.06.30 of the "Download" web page.
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