mcrypt_enc_is_block_algorithm_mode Checks whether the encryption of the opened mode works on blocks


mcrypt_enc_is_block_algorithm_mode

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_enc_is_block_algorithm_modeChecks 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.


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