mcrypt_enc_is_block_algorithm
(PHP 4 >= 4.0.2, PHP 5)
mcrypt_enc_is_block_algorithm — Checks whether the algorithm of the opened mode is a block algorithm
说明
bool mcrypt_enc_is_block_algorithm ( resource $td )Tells whether the algorithm of the opened mode is a block algorithm.
参数
- td
-
The encryption descriptor.
返回值
Returns TRUE if the algorithm is a block algorithm or FALSE if it is a stream one.