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mcrypt_module_get_algo_key_size()

mcrypt_module_get_algo_key_size - Returns the maximum supported keysize of the opened mode

Syntax

int mcrypt_module_get_algo_key_size (string $algorithm, string $lib_dir)

Arguments

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

Description

Gets the maximum supported keysize of the opened mode.

Version

PHP 4.0.2, 5

Return value

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