(PHP 3 >= 3.0.8, PHP 4, PHP 5)
mcrypt_cfb -- Encrypt/decrypt data in CFB mode
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.
This function should not be used anymore, see
mcrypt_generic() and
mdecrypt_generic() for replacements.