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PHP mcrypt_module_get_algo_key_size

PHP original manual for mcrypt_module_get_algo_key_size [ show | php.net ]

mcrypt_module_get_algo_key_size

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

mcrypt_module_get_algo_key_sizeReturns the maximum supported keysize of the opened mode

Warning

This function has been DEPRECATED as of PHP 7.1.0. Relying on this function is highly discouraged.

Description

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

Gets the maximum supported keysize of the opened mode.

Parameters

algorithm

The algorithm name.

lib_dir

This optional parameter can contain the location where the mode module is on the system.

Return Values

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