(PHP 4 >= 4.0.4, PHP 5, PHP 7)
Generates a key
string mhash_keygen_s2k ( int $hash, string $password, string $salt, int $bytes )
Generates a key according to the given hash, using an user provided password.
This is the Salted S2K algorithm as specified in the OpenPGP document (» RFC 2440).
Keep in mind that user supplied passwords are not really suitable to be used as keys in cryptographic algorithms, since users norm