(PHP 4, PHP 5)
mcrypt_ofb — Encrypts/decrypts data in OFB mode
$cipher
, string $key
, string $data
, int $mode
, string $iv
)$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.