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
说明
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)..
参数
- td
-
The encryption descriptor.
返回值
Returns TRUE if the mode is for use with block algorithms, otherwise it returns FALSE.
