To download and unpack the latest version of lib1305:

wget -m https://lib1305.cr.yp.to/lib1305-latest-version.txt
version=$(cat lib1305.cr.yp.to/lib1305-latest-version.txt)
wget -m https://lib1305.cr.yp.to/lib1305-$version.tar.gz
tar -xzf lib1305.cr.yp.to/lib1305-$version.tar.gz
cd lib1305-$version

Then install and test.

Archives and changelog (reverse chronological)

lib1305-20250407.tar.gz browse

First release.