PHP: mcrypt_enc_get_supported_key_sizes - Manual

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Last updated: Sat, 27 Jan 2007

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# mcrypt_enc_get_supported_key_sizes

(PHP 4 >= 4.0.2, PHP 5)

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

## Description

array mcrypt_enc_get_supported_key_sizes ( resource td )

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.

Пример 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)); ?>`

This will print:

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

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mcrypt_enc_is_block_algorithm_mode mcrypt_enc_get_modes_name

Last updated: Sat, 27 Jan 2007
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