Returns an array with the supported keysizes of the opened algorithm

# mcrypt_module_get_supported_key_sizes

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

mcrypt_module_get_supported_key_sizes — Returns an array with the supported keysizes of the opened algorithm

Warnung

Diese Funktion wurde in PHP 7.1.0 als DEPRECATED (veraltet) markiert und wurde in PHP 7.2.0 ENTFERNT. Von der Verwendung dieser Funktion wird dringend abgeraten.

### Beschreibung

function mcrypt_module_get_supported_key_sizes(string `$algorithm`, string `$lib_dir` = ?): array

Returns an array with the key sizes supported by the specified algorithm. If it returns an empty array then all key sizes between 1 and mcrypt_module_get_algo_key_size() are supported by the algorithm.

### Parameter-Liste

`algorithm`
  The algorithm to be used.
`lib_dir`
  The optional `lib_dir` parameter can contain the location where the algorithm module is on the system.

### Rückgabewerte

Returns an array with the key sizes supported by the specified algorithm. If it returns an empty array then all key sizes between 1 and mcrypt_module_get_algo_key_size() are supported by the algorithm.

### Siehe auch

- mcrypt_enc_get_supported_key_sizes() - Returns an array with the supported keysizes of the opened algorithm

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