mcrypt_cfb

(PHP 4, PHP 5)

mcrypt_cfb — Encrypts/decrypts data in CFB mode

Warning

This function was DEPRECATED in PHP 5.5.0, and REMOVED in PHP 7.0.0.

Alternatives to this function include:

mcrypt_decrypt()
mcrypt_encrypt()

Description

string 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 ] )

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