mcrypt_enc_is_block_mode()

mcrypt_enc_is_block_mode - Checks whether the opened mode outputs blocks

Syntax

bool mcrypt_enc_is_block_mode (resource $td)

Arguments

• td - The encryption descriptor.

Description

Tells whether the opened mode outputs blocks (e.g. TRUE for cbc and ecb, and FALSE for cfb and stream).

Version

PHP 4.0.2, 5

Return value

Returns TRUE if the mode outputs blocks of bytes or FALSE if it outputs bytes.