To download and unpack the latest version of lib25519:

    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

Then install.

Archives and changelog (reverse chronological)

lib25519-20230630.tar.gz browse

Add powbatch, nPbatch, and multiscalar APIs with various implementations for basic amd64, BMI, ADX, AVX2, and AVX-512, plus portable implementations.

Include benchmarks on more microarchitectures. Add auto-generated table in documentation summarizing speeds, with OpenSSL speeds as a baseline for comparison.

For compatibility with musl etc., support constructor as an alternative to ifunc for dispatch. Select constructor automatically if an ifunc compile-time test fails, or if --notryifunc is passed to ./configure.

Add command-line interface for shell scripts.

Rely on separate libcpucycles to automatically use RDPMC etc., and separate librandombytes to automatically use getrandom etc.

Reorganize documentation into doc/*.md directory, with auto-generation of HTML and manual pages.

Inside auto-generation of command/lib25519-test.c, automatically cache Python computations of nP etc.

Reorganize precomputed tests to handle APIs with variable-length inputs and outputs.

Import infrastructure improvements from libmceliece.

lib25519-20221222.tar.gz browse

lib25519-20220726.tar.gz browse

lib25519-20220426.tar.gz browse

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Version: This is version 2023.06.30 of the "Download" web page.