Desde 3.5

Autor Tobias Boege.

Clase Descripción
Cipher This class wraps the cipher (block and stream) algorithms of OpenSSL. See Wikipedia: Ciphers for a start on ciphers.
Digest This class wraps the hash algorithms of the OpenSSL project. See Wikipedia: Cryptographic hash function for a start on hash functions.
HMac This class implements Hash-based message authentication code (HMAC) algorithms. For further information, you may start at Wikipedia: HMAC