(PHP 4, PHP 5, PHP 7) Gets the block size of the specified hash
(PHP 4 >= 4.0.4, PHP 5, PHP 7) Generates a key
(PHP 4, PHP 5, PHP 7) Computes hash string mhash
(PHP 4, PHP 5, PHP 7) Gets the highest available hash ID
(PHP 4, PHP 5, PHP 7) Gets the name of the specified hash