mcrypt_ofbPHP ManualPrevNextmcrypt_ofbmcrypt_ofb -- Encrypt/decrypt data in OFB modeDescriptionint mcrypt_ofb(int cipher, string key, string data, int mode, string iv); mcrypt_ofb() encrypts or decrypts (depending on mode) the data with cipher and key in OFB cipher mode and returns the resulting string. cipher is one of the MCRYPT_ciphername constants. key is the key supplied to the algorithm. It must be kept secret. data is the data which shall be encrypted/decrypted. mode is MCRYPT_ENCRYPT or MCRYPT_DECRYPT. iv is the initialization vector. See also: mcrypt_cbc(), mcrypt_cfb(), mcrypt_ecb()PrevHomeNextmcrypt_ecbUpfilePro functions