LLCryptoLib 2.0.1024 LLCryptoLib is a .NET library which allows programmers to easily add encryption, integrity and authentication services to their software. It is compatible with MS .NET and Novell Mono environments. It also provides shredding methods.
HIME: Huge Integer Math and Encryption 2.05.1 Library with encryption functions and huge integer math functions. RSA public key, AES secret key encryption, SHA-512 hash function, PRNG: Blum-Blum-Shub and RSA, Diffie-Hellman, file shredding, compression and more. For every programming language.
BDV DataHider - more than just another data encryption tool! If you use your computer for storing extremely confidential information and its loss would be utterly devastating, you should think about protecting it well in advance. Strong data encryption sounds like a good idea to start with, but you should keep in mind that if somebody gets access to your encrypted files and decides to break the encryption