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mcrypt_enc_get_key_size

PHP function Edit on GitHub ✎

(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

Returns the maximum supported keysize of the opened mode

Removed-7-2-0

Description

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.

Source: reference/mcrypt/functions/mcrypt-enc-get-key-size.xml · from the official PHP manual (php/doc-en)