Checks whether the encryption of the opened mode works on blocks


(PHP 4 >= 4.0.2, PHP 5)

mcrypt_enc_is_block_algorithm_modeChecks whether the encryption of the opened mode works on blocks

Описание

bool mcrypt_enc_is_block_algorithm_mode ( resource $td )

Tells whether the algorithm of the opened mode works on blocks (e.g. FALSE for stream, and TRUE for cbc, cfb, ofb)..

Список параметров

td

The encryption descriptor.

Возвращаемые значения

Returns TRUE if the mode is for use with block algorithms, otherwise it returns FALSE.