(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
mcrypt_enc_get_key_size — Returns the maximum supported keysize of the opened mode
This function has been DEPRECATED as of PHP 7.1.0 and REMOVED as of PHP 7.2.0. Relying on this function is highly discouraged.
Gets the maximum supported key size of the algorithm in bytes.
tdThe encryption descriptor.
Returns the maximum supported key size of the algorithm in bytes.