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mcrypt_module_get_algo_key_size

PHP function Edit on GitHub ✎

(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

Returns the maximum supported keysize of the opened mode

Removed-7-2-0

Description

mcrypt_module_get_algo_key_size(string $algorithm, [string $lib_dir]): int

Gets the maximum supported keysize of the opened mode.

algorithm: The algorithm name.
lib_dir: This optional parameter can contain the location where the mode module is on the system.

This function returns the maximum supported key size of the algorithm specified in bytes.