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2014-2017 Michel Corne
by Example
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<?php
/**
* PHP By Example
*
* @copyright 2015 Michel Corne
* @license http://www.opensource.org/licenses/gpl-3.0.html GNU GPL v3
*/
require_once 'custom/pbx_base64_to_hex.php';
require_once 'models/function_core.php';
/**
* Function configuration
*
* @see docs/function-configuration.txt
*/
class mcrypt_decrypt extends function_core
{
public $constant_prefix = [
'e_cipher' => 'MCRYPT',
'e_mode' => 'MCRYPT_MODE',
'cipher' => 'MCRYPT',
'mode' => 'MCRYPT_MODE',
];
public $examples = [
[
'MCRYPT_RIJNDAEL_128',
'some 16 byte key',
// base 64 data to be converted to hexadecimal notation, see init()
'syHfih5StSSmrudWgA/0VANHjwYo/GOCjIFGcjOpQB170MEsRltllzHtUz+kodcUPWOlzjU5MW+wW2cudQKiYw==',
'MCRYPT_MODE_CBC',
'some 16 byte iv.',
],
[
'base64' => 'syHfih5StSSmrudWgA/0VANHjwYo/GOCjIFGcjOpQB170MEsRltllzHtUz+kodcUPWOlzjU5MW+wW2cudQKiYw==',
'MCRYPT_RIJNDAEL_128',
'some 16 byte key',
'$data',
'MCRYPT_MODE_CBC',
'some 16 byte iv.',
],
[
'e_cipher' => 'MCRYPT_RIJNDAEL_128',
'e_key' => 'some 16 byte key',
'e_data' => 'This string was AES-128 / CBC / ZeroBytePadding encrypted.',
'e_mode' => 'MCRYPT_MODE_CBC',
'e_iv' => 'some 16 byte iv.',
'base64' => '$base64',
'MCRYPT_RIJNDAEL_128',
'some 16 byte key',
'$data',
'MCRYPT_MODE_CBC',
'some 16 byte iv.',
],
];
public $input_args = [
'base64',
'e_cipher',
'e_key',
'e_data',
'e_mode',
'e_iv',
];
public $source_code = '
// enter a string to encrypt ($_e_data),
// or a string encrypted in base64 ($_base64) or binary ($_data)
$_encrypted = mcrypt_encrypt(
$e_cipher, // string $e_cipher
$e_key, // string $e_key
$e_data, // string $e_data
$e_mode, // string $e_mode
$e_iv // [string $e_iv]
);
$_base64 = base64_encode($_encrypted);
$_data = base64_decode(
$base64 // string $base64
);
inject_function_call
';
public $synopsis = 'string mcrypt_decrypt ( string $cipher , string $key , string $data , string $mode [, string $iv ] )';
function init()
{
$this->examples[0][2] = '_DOUBLE_QUOTES_' . pbx_base64_to_hex($this->examples[0][2], true) . '_DOUBLE_QUOTES_';
}
function pre_exec_function()
{
if ($this->_filter->filter_arg_value('data')) {
return;
}
if ($base64 = $this->_filter->filter_arg_value('base64')) {
$this->result['data'] = $this->returned_params['data'] = base64_decode($base64);
return;
}
$cipher = $this->_filter->filter_arg_value('e_cipher');
$key = $this->_filter->filter_arg_value('e_key');
$data = $this->_filter->filter_arg_value('e_data');
$mode = $this->_filter->filter_arg_value('e_mode');
$iv = $this->_filter->filter_arg_value('e_iv');
if (is_null($iv)) {
$this->returned_params['data'] = mcrypt_encrypt($cipher, $key, $data, $mode);
} else {
$this->returned_params['data'] = mcrypt_encrypt($cipher, $key, $data, $mode, $iv);
}
$this->result['data'] = $this->result['base64'] = base64_encode($this->returned_params['data']);
}
}
2014-2017 Michel Corne