mcrypt_enc_get_block_size
(PHP 4 >= 4.0.2, PHP 5)
mcrypt_enc_get_block_size — Returns the blocksize of the opened algorithm
说明
int mcrypt_enc_get_block_size ( resource $td )Gets the blocksize of the opened algorithm.
参数
- td
-
The encryption descriptor.
返回值
Returns the block size of the specified algorithm in bytes.