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

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Decrypts data with private key

(PHP 5 >= 5.1.2, PHP 7, PECL hash >= 1.1) Generate a hash value using the contents of a given file

(PHP 5 >= 5.5.0, PHP 7) Creates a password hash

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

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Gets an array of all supported modes

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Generates a CSR

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

(PHP 5 >= 5.6.0, PHP 7) Retrieve the available certificate locations

(PHP 5 >= 5.6.0, PHP 7) Exports the challenge assoicated with a signed public key and challenge