mcrypt_enc_get_key_size

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_enc_get_key_size — Returns the maximum supported keysize of the opened mode

Description

int mcrypt_enc_get_key_size ( resource $td )

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.