(PHP 4 >= 4.0.2, PHP 5, PHP 7) Opens the module of the algorithm and the mode to be used

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Encrypts plaintext with given parameters

(PHP 5 >= 5.5.0, PHP 7) Generate a PBKDF2 key derivation of a supplied password

(PHP 5 >= 5.2.0, PHP 7) Returns the subject of a CERT

(PHP 5 >= PHP 5.3.3, PHP 7) Gets the cipher iv length

(PHP 5 >= 5.3.11, PHP 7) Computes shared secret for public value of remote DH key and local DH key

(PHP 4 >= 4.0.7, PHP 5, PHP 7) This function deinitializes an encryption module

(PHP 5 >= 5.1.2, PHP 7, PECL hash >= 1.1) Finalize an incremental hash and return resulting digest

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Checks whether the algorithm of the opened mode is a block algorithm

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Decrypts an S/MIME encrypted message