<?php
/*
+-----------------------------------------------------------------------+
| This file is part of API5 RESTful SQLtoJSON |
| Copyright (C) 2007-2018, Santo Nuzzolillo |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the LICENSE file for a full license statement. |
| |
| Pduction |
| Date : 02/16/2018 |
| Time : 12:47:27 PM |
| Version: 0.0.1 |
+-----------------------------------------------------------------------+
| Author: Santo Nuzzolilo <[email protected]> |
+-----------------------------------------------------------------------+
*/
function cryptoJsAesDecrypt($passphrase, $jsonString){
$jsondata = json_decode($jsonString, true);
try {
$salt = hex2bin($jsondata["s"]);
$iv = hex2bin($jsondata["iv"]);
} catch(Exception $e) { return null; }
$ct = base64_decode($jsondata["ct"]);
$concatedPassphrase = $passphrase.$salt;
$md5 = array();
$md5[0] = md5($concatedPassphrase, true);
$result = $md5[0];
for ($i = 1; $i < 3; $i++) {
$md5[$i] = md5($md5[$i - 1].$concatedPassphrase, true);
$result .= $md5[$i];
}
$key = substr($result, 0, 32);
$data = openssl_decrypt($ct, 'aes-256-cbc', $key, true, $iv);
return json_decode($data, true);
}
function cryptoJsAesEncrypt($passphrase, $value){
$salt = openssl_random_pseudo_bytes(8);
$salted = '';
$dx = '';
while (strlen($salted) < 48) {
$dx = md5($dx.$passphrase.$salt, true);
$salted .= $dx;
}
$key = substr($salted, 0, 32);
$iv = substr($salted, 32,16);
$encrypted_data = openssl_encrypt(json_encode($value), 'aes-256-cbc', $key, true, $iv);
$data = array("ct" => base64_encode($encrypted_data), "iv" => bin2hex($iv), "s" => bin2hex($salt));
return json_encode($data);
}
|
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