PHP. Руководство по PHP. 2005
mcrypt_enc_is_block_algorithm_mode
mcrypt_enc_is_block_algorithm_mode
(PHP 4 >= 4.0.2, PHP 5)mcrypt_enc_is_block_algorithm_mode -- Checks whether the encryption of the opened mode works on blocks
Description
bool mcrypt_enc_is_block_algorithm_mode (resource td)This function returns TRUE if the mode is for use with block algorithms,
otherwise it returns FALSE. (e.g. FALSE for stream, and TRUE for cbc, cfb, ofb).
mcrypt_enc_get_supported_key_sizes
mcrypt_enc_is_block_algorithm
Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.