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

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

(PHP 4 >= 4.0.2, PHP 5, PHP 7) This function encrypts data

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

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Exports a certificate as a string

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

(PHP 4, PHP 5) Deprecated: Encrypts/decrypts data in ECB mode

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

(PHP 7) Generates cryptographically secure pseudo-random integers

(PHP 5 >= 5.2.0, PHP 7) Returns the public key of a CERT