mcrypt_enc_get_supported_key_sizes

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_enc_get_supported_key_sizesReturns an array with the supported keysizes of the opened algorithm

Beskrivelse

array mcrypt_enc_get_supported_key_sizes ( resource $td )

Gets the supported key sizes of the opened algorithm.

Parametre

td

The encryption descriptor.

Returnerings Værdier

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

Eksempler

Eksempel #1 mcrypt_enc_get_supported_key_sizes() example

<?php
    $td 
mcrypt_module_open('rijndael-256''''ecb''');
    
var_dump(mcrypt_enc_get_supported_key_sizes($td));
?>

The above example will output:

array(3) {
  [0]=>
  int(16)
  [1]=>
  int(24)
  [2]=>
  int(32)
}

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top