我正在使用JavaScript加密和php解密字符串,反之亦然,但问题是在两个平台上产生的输出是不同的如果我加密一个字符串“abc “在这两个平台上,他们会产生不同的结果,但我确信我的加密是正确的,因为我正在加密的字符串是用相同的语言解密的。JavaScript中的三重DES加密和PHP解密
我明白,在这种情况下,必须有东西在关键或IV不同,但不知道是什么
Javascript代码加密字符串
var encrypted = CryptoJS.TripleDES.encrypt("Message", "SecretPassphrase");
console.log(encrypted);console.log(String(encrypted));
var text = "<some plain text goes here>";
var key = "00f74597de203655b1ebf5f410f10eb8";
var useHashing = true;
if (useHashing) {
key = CryptoJS.MD5(key).toString();
key += key.substring(1, 16);
console.log(key);
}
var textWordArray = CryptoJS.enc.Utf16.parse(text);
var keyHex = CryptoJS.enc.Hex.parse(key);
var iv = String.fromCharCode(0) + String.fromCharCode(0) + String.fromCharCode(0) + String.fromCharCode(0) + String.fromCharCode(0) + String.fromCharCode(0) + String.fromCharCode(0) + String.fromCharCode(0);
var ivHex = CryptoJS.enc.Hex.parse(iv);
console.log('hexadecimal key: ' + keyHex + '\n');
console.log('iv: ' + iv + '\n');
console.log('hexadecimal iv: ' + ivHex + '\n');
var options = {
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7,
iv: ivHex
};
var encrypted = CryptoJS.TripleDES.encrypt(textWordArray, keyHex, options);
var base64String = encrypted.toString();
console.log('base64: ' + base64String + '\n');
var decrypted = CryptoJS.TripleDES.decrypt({
ciphertext: CryptoJS.enc.Base64.parse(base64String)
}, keyHex, options);
console.log('decrypted: ' + decrypted.toString(CryptoJS.enc.Utf16));
PHP代码加密字符串
//Generate a key from a hash
$key = md5(utf8_encode("00f74597de203655b1ebf5f410f10eb8"), true);
//Take first 8 bytes of $key and append them to the end of $key.
$key .= substr($key, 0, 8);
//Padding for 3DES
$blockSize = mcrypt_get_block_size('tripledes', 'ecb');
$len = strlen($value);
$pad = $blockSize - ($len % $blockSize);
$value .= str_repeat(chr($pad), $pad);
//Generating iv for 3DES
$iv = chr(0) . chr(0) . chr(0) . chr(0) . chr(0) . chr(0) . chr(0) . chr(0);
//Encrypt data
$encData = mcrypt_encrypt(MCRYPT_3DES, $key, $value, MCRYPT_MODE_CBC, $iv);
$value = base64_encode($encData);
示例 如果我从javascript加密字符串“admin”它给了我“U2 FsdGVkX1 + Y/zo1FJEZZ0aqPMQuwilOydbJjzIKpYw =”
凡为PHP给我 “AzZFzbnwp2Y =”
注我使用CryptoJSv3插件三重DES *
为什么现在使用Triple DES?使用AES:[示例](http://stackoverflow.com/questions/24337317/encrypt-with-php-decrypt-with-javascript-cryptojs) –
它是过去的项目的一部分,我不应该改变:) – Arpita
哪部分不应该改变?你能否显示一个示例字符串,以便更容易找到匹配的解密? –