AWS Encryption SDK for C
Open source disk encryption with strong security for the Paranoid
Open-source code that enables you to use AES in CBC mode
One-time-pad encryption using a virtual pad
NCrypted - simple file encryption software with GPU support
Implementation of the GNFS for discrete logarithm problem in GF(p)
A tiny, fast encryption tool in C
SES brings back the uncrackable onetime pad, with a digital twist.