Blowfish cipher algorithm

modulename: blowfish.ko

and/or

blowfish_generic.ko

configname: CONFIG_CRYPTO_BLOWFISH

Linux Kernel Configuration
└─>Cryptographic options
└─>Blowfish cipher algorithm
In linux kernel since version 2.6.12  
Blowfish cipher algorithm, by Bruce Schneier.

This is a variable key length cipher which can use keys from 32
bits to 448 bits in length. It's fast, simple and specifically
designed for use on "large microprocessors".

See also:
<http://www.schneier.com/blowfish.html>

source code: