maybe someone might need that too.

RSA public key encryption, digital signatures, X.509 certificate handling, and cryptographic message syntax (CMS) objects that can be used with S/MIME. Full details on the CryptoSys PKI Toolkit page. Includes message digest computation with SHA-1/MD5/MD2, secure random numbers, and base64 conversion functions.

http://www.cryptosys.net/pki/index.html