Description
array
mcrypt_module_get_supported_key_sizes ( string algorithm [, string lib_dir])
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. The optional
lib_dir parameter can contain the
location where the mode module is on the system.
