(PHP 4 >= 4.0.2, PHP 5, PHP 7) Runs a self test on the opened module

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Returns the maximum supported keysize of the opened mode

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

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Decrypts crypttext with given parameters

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

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

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Returns the name of the opened algorithm

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Returns if the specified module is a block algorithm or not

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Decrypts data

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Returns the blocksize of the specified algorithm