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PHP5中文手册
mcrypt_module_get_algo_key_size(PHP 4 >= 4.0.2, PHP 5) mcrypt_module_get_algo_key_size — Returns the maximum supported keysize of the opened mode Description
int mcrypt_module_get_algo_key_size
( string $algorithm
[, string $lib_dir
] )
This function returns the maximum supported key size of the algorithm specified in bytes. The optional lib_dir parameter can contain the location where the mode module is on the system. |
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