mcrypt_cbcPHP ManualPrevNextmcrypt_cbcmcrypt_cbc -- Encrypt/decrypt data in CBC modeDescriptionint mcrypt_cbc(int cipher, string key, string data, int mode, string [iv]); mcrypt_cbc() encrypts or decrypts (depending on mode) the data with cipher and key in CBC 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 optional initialization vector. See also: mcrypt_cfb(), mcrypt_ecb(), mcrypt_ofb()PrevHomeNextmcrypt_create_ivUpmcrypt_cfb