(PHP 5 >= 5.5.0, PHP 7) Verifies that a password matches a hash

(PHP 5 >= 5.6.0, PHP 7) Generate a new signed public key and challenge

(PHP 4, PHP 5, PHP 7) Computes hash string mhash

(PHP 4, PHP 5, PHP 7) Gets the highest available hash ID

(PHP 4 >= 4.0.2, PHP 5, PHP 7) This function runs a self test on the specified module

(PHP 5.6, PHP 7) Calculates the fingerprint, or digest, of a given X.509 certificate

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Get a private key

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Verifies the signature of an S/MIME signed message

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Returns an array with the supported keysizes of the opened algorithm

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