Encrypts/decrypts data in CFB mode (original) (raw)

mcrypt_cfb

(PHP 4, PHP 5)

mcrypt_cfb — Encrypts/decrypts data in CFB mode

Description

mcrypt_cfb ( int $cipher , string $key , string $data , int $mode , string $iv ) : string

mcrypt_cfb ( string $cipher , string $key , string $data , int $mode [, string $iv ] ) : string

The first prototype is when linked against libmcrypt 2.2.x, the second when linked against libmcrypt 2.4.x or higher. Themode should be either**MCRYPT_ENCRYPT** or**MCRYPT_DECRYPT**.