mcrypt_module_get_supported_key_sizes
(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
Returns an array with the supported keysizes of the opened algorithm
Removed-7-2-0
Description
Returns an array with the key sizes supported by the specified algorithm. If it returns an empty array then all key sizes between 1 and mcrypt_module_get_algo_key_size() are supported by the algorithm.
Parameters
algorithmThe algorithm to be used.
lib_dirThe optional
lib_dirparameter can contain the location where the algorithm module is on the system.
Return Values
Returns an array with the key sizes supported by the specified algorithm. If it returns an empty array then all key sizes between 1 and mcrypt_module_get_algo_key_size() are supported by the algorithm.