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

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Gets an exportable representation of a key into a file

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Verifies if a certificate can be used for a particular purpose

(PHP 5 >= 5.3.0, PHP 7) Generate a pseudo-random string of bytes

(PHP 5 >= 5.2.2, PHP 7) Exports a PKCS#12 Compatible Certificate Store File to variable.

(PHP 5 >= 5.3.0, PHP 7) Gets available cipher methods

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

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Returns if the specified mode outputs blocks or not

(PHP 5 >= 5.3.0, PHP 7) Computes a digest

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Closes the mcrypt module