Mcrypt Funktionen
PHP-Handbuch

mcrypt_enc_is_block_algorithm_mode

Checks whether the encryption of the opened mode works on blocks

Warnung

This function has been DEPRECATED as of PHP 7.1.0. Relying on this function is highly discouraged.

Beschreibung

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)..

Parameter-Liste

td

The encryption descriptor.

Rückgabewerte

Returns TRUE if the mode is for use with block algorithms, otherwise it returns FALSE.