[rfc2315] IETF RFC 2315: PKCS #7: Cryptographic Message Syntax Version 1.5
[rfc2409] IETF RFC 2409: The Internet Key Exchange (IKE)
[rfc2631] IETF RFC 2631: Diffie-Hellman Key Agreement Method
[rfc5869] IETF RFC 5869: HMAC-based Extract-and-Expand Key Derivation Function (HKDF)
[fips-180-3.2008] NIST FIPS PUB 180-3: Secure Hash Standard (SHS), October 2008
[fips-197.2001] NIST FIPS PUB 197: Advanced Encryption Standard (AES), November 2001