其中加密后以及解密后的字符串都能成功打印,但Console.WriteLine("=3==");之后的输出就没有了,最后输出个线程返回值0,然后就没有然后了。c#不懂,就不深究了,就已执行的部分,是符合要求了。
- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Text;
- using System.Security.Cryptography;
- namespace test
- {
- class Class1
- {
- static void Main(string[] args)
- {
- Console.WriteLine("I am comming");
- String source = "Test String";
- String encryptData = Class1.Encrypt(source, "1234567812345678", "1234567812345678");
- Console.WriteLine("=1==");
- Console.WriteLine(encryptData);
- Console.WriteLine("=2==");
- String decryptData = Class1.Decrypt("2fbwW9+8vPId2/foafZq6Q==", "1234567812345678", "1234567812345678");
- Console.WriteLine(decryptData);
- Console.WriteLine("=3==");
- Console.WriteLine("I will go out");
- }
- public static string Encrypt(string toEncrypt, string key, string iv)
- {
- byte[] keyArray = UTF8Encoding.UTF8.GetBytes(key);
- byte[] ivArray = UTF8Encoding.UTF8.GetBytes(iv);
- byte[] toEncryptArray = UTF8Encoding.UTF8.GetBytes(toEncrypt);
- RijndaelManaged rDel = new RijndaelManaged();
- rDel.Key = keyArray;
- rDel.IV = ivArray;
- rDel.Mode = CipherMode.CBC;
- rDel.Padding = PaddingMode.Zeros;
- ICryptoTransform cTransform = rDel.CreateEncryptor();
- byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
- return Convert.ToBase64String(resultArray, 0, resultArray.Length);
- }
- public static string Decrypt(string toDecrypt, string key, string iv)
- {
- byte[] keyArray = UTF8Encoding.UTF8.GetBytes(key);
- byte[] ivArray = UTF8Encoding.UTF8.GetBytes(iv);
- byte[] toEncryptArray = Convert.FromBase64String(toDecrypt);
- RijndaelManaged rDel = new RijndaelManaged();
- rDel.Key = keyArray;
- rDel.IV = ivArray;
- rDel.Mode = CipherMode.CBC;
- rDel.Padding = PaddingMode.Zeros;
- ICryptoTransform cTransform = rDel.CreateDecryptor();
- byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
- return UTF8Encoding.UTF8.GetString(resultArray);
- }
- }
- }
php代码,php很多东西都是提供好的,直接用函数,但是php目前所知填充模式只有ZeroPadding,于是其他语言就只能跟着它来了:
- <?php
- $privateKey = "1234567812345678";
- $iv = "1234567812345678";
- $data = "Test String";
- //加密
- $encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $privateKey, $data, MCRYPT_MODE_CBC, $iv);
- echo($encrypted);
- echo '<br/>';
- echo(base64_encode($encrypted));
- echo '<br/>';
- //解密
- $encryptedData = base64_decode("2fbwW9+8vPId2/foafZq6Q==");
- $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $privateKey, $encryptedData, MCRYPT_MODE_CBC, $iv);
- echo($decrypted);
- ?>
需要在https://code.google.com/p/crypto-js/下载工具包
导入文件,aes.js需要导入crypto-js压缩包中rollups文件夹下的那个aes.js文件,如果引入的是components文件夹下的aes.js是会报错的
- <script type="text/javascript" src1="aes.js"></script>
- <script type="text/javascript" src1="pad-zeropadding.js"></script>
- <script type="text/javascript">
- var data = "Test String";
- var key = CryptoJS.enc.Latin1.parse('1234567812345678');
- var iv = CryptoJS.enc.Latin1.parse('1234567812345678');
- //加密
- var encrypted = CryptoJS.AES.encrypt(data,key,{iv:iv,mode:CryptoJS.mode.CBC,padding:CryptoJS.pad.ZeroPadding});
- document.write(encrypted.ciphertext);
- document.write('<br/>');
- document.write(encrypted.key);
- document.write('<br/>');
- document.write(encrypted.iv);
- document.write('<br/>');
- document.write(encrypted.salt);
- document.write('<br/>');
- document.write(encrypted);
- document.write('<br/>');
- //解密
- var decrypted = CryptoJS.AES.decrypt(encrypted,key,{iv:iv,padding:CryptoJS.pad.ZeroPadding});
- console.log(decrypted.toString(CryptoJS.enc.Utf8));
- </script>
最后加一个python下的aes,需要安装python Crypto:
- #!/usr/bin/env python
- # -*- coding: utf-8 -*-
- from Crypto.Cipher import AES
- import base64
- PADDING = '\0'
- #PADDING = ' '
- pad_it = lambda s: s+(16 - len(s)%16)*PADDING
- key = '1234567812345678'
- iv = '1234567812345678'
- source = 'Test String'
- generator = AES.new(key, AES.MODE_CBC, iv)
- crypt = generator.encrypt(pad_it(source))
- cryptedStr = base64.b64encode(crypt)
- print cryptedStr
- generator = AES.new(key, AES.MODE_CBC, iv)
- recovery = generator.decrypt(crypt)
- print recovery.rstrip(PADDING)
注意python下需要用'\0'来填充,如果是空格来填充,python加密得到的字符串会跟其他语言不同。另外注意generator在加密的 时候使用过,解密的时候需重新生成再解密,否则解密失败。最后得到的字符串,在python控制台看到尾部是多个NUL这样的东西,要这样 recovery.rstrip(PADDING)去除掉才是原始字符串。
可以看到aes加密的中间结果是byte[]类型,直接new String(byte[])会看不到有意义的中间结果,这里用的是base64,是因为各个语言都有这样的支持。在同个语言内,也有bytesToHexString这样的方式。
跨语言加解密的要求是:AES/CBC/ZeroPadding 128位模式,key和iv一样,编码统一用utf-8。不支持ZeroPadding的就用NoPadding.
来源: http://www.phpxs.com/code/1003640/