Serpent is a symmetric key block cipher that was a finalist in the Advanced Encryption Standard (AES) contest,
where it was ranked second to Rijndael. Serpent was designed by Ross Anderson, Eli Biham, and Lars Knudsen.
Installation
Install in your GOPATH: go get -u github.com/aead/serpent
Package serpent implements the Serpent block cipher
submitted to the AES challenge. Serpent was designed by
Ross Anderson, Eli Biham und Lars Knudsen.
The block cipher takes a 128, 192 or 256 bit key and
has a block size of 128 bit.