(PHP 5 >= 5.3.0, PHP 7) Encrypts data string

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Alias of

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Exports a certificate to file

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Encrypts data with public key

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Seal (encrypt) data

(PHP 5 >= 5.2.2, PHP 7) Parse a PKCS#12 Certificate Store into an array

(PHP 4 >= 4.0.6, PHP 5, PHP 7) Sign an S/MIME message

(PHP 4 >= 4.0.2, PHP 5) This function terminates encryption

(PHP 5 >= 5.3.0, PHP 7) Decrypts data string