# Changelog
- 0.4.1 (2025-12-28)
* Bumps the ppad-fixed lower-bound version and tests with GHC 9.10.3.
- 0.4.0 (2025-12-27)
* Switches from variable-size 'Integer' to fixed-width words and
constant-time primitives supplied by ppad-fixed. The implementation now
runs about 25x faster and in time constant with respect to secrets.
- 0.3.0 (2025-06-21)
* The 'mac' function is now total, returning 'Nothing' when supplied
with an invalid-length one-time key.
- 0.2.0 (2025-03-10)
* Fix a bug in which small produced MAC's were not being padded to 128
bits.
- 0.1.0 (2025-03-09)
* Initial release, supporting the Poly1305 MAC.