mcrypt_module_get_algo_key_size

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_module_get_algo_key_sizeReturns the maximum supported keysize of the opened mode

说明

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

Gets the maximum supported keysize of the opened mode.

参数

algorithm

The algorithm name.

lib_dir

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

返回值

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

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