feistel-cipher
Feistel cipher implementation for format-preserving encryption
solshuffle
Lazy, efficient & stateless shuffles powered by generalised Feistel ciphers written in Solidity/Yul.
cryptokuznechik
An npm package that provides cryptography russian algorithm 'kuznechik' (GOST 34.12-2018)
abfnc
Arbitrary block length encryption of integers and binary data.