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

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

(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) Decrypts crypttext with given parameters

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

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

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

(PHP 4, PHP 5) Encrypts/decrypts data in OFB mode

(PHP 4, PHP 5, PHP 7) Gets the block size of the specified cipher

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