mcrypt_module_is_block_mode()

mcrypt_module_is_block_mode - Returns if the specified mode outputs blocks or not

Syntax

bool mcrypt_module_is_block_mode (string $mode, string $lib_dir)

Arguments

• mode - The mode to check.
• lib_dir - The optional lib_dir parameter can contain the location of where the algorithm module is on the system.

Description

This function returns TRUE if the mode outputs blocks of bytes or FALSE if it outputs just bytes. (e.g. TRUE for cbc and ecb, and FALSE for cfb and stream).

Version

PHP 4.0.2, 5

Return value

This function returns TRUE if the mode outputs blocks of bytes or FALSE if it outputs just bytes. (e.g. TRUE for cbc and ecb, and FALSE for cfb and stream).