chacha

The ChaCha20 stream cipher (docs.ppad.tech/chacha).
git clone git://git.ppad.tech/chacha.git
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CHANGELOG (554B)

      1 # Changelog
      2 
      3 - 0.2.2 (2026-05-16)
      4   * Features order-of-magnitude performance improvements, especially
      5     on ARM platforms where NEON intrinsics are available.
      6 
      7 - 0.2.1 (2025-12-28)
      8   * Adds an 'llvm' build flag and tests with GHC 9.10.3.
      9 
     10 - 0.2.0 (2025-06-21)
     11   * Both the ChaCha block function and stream cipher are now total,
     12     returning values of 'Left InvalidKey' or 'Left InvalidNonce' when
     13     supplied with the corresponding bad inputs.
     14 
     15 - 0.1.0 (2025-03-09)
     16   * Initial release, supporting the chacha20 stream cipher and block
     17     function.
     18