mcrypt_enc_get_key_size
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
Manual
mcrypt_enc_get_key_size(
resource$td ): int
Gets the maximum supported key size of the algorithm in bytes.
Parameters
- td
-
The encryption descriptor.
Return Values
Returns the maximum supported key size of the algorithm in bytes.