因爲開發需要用到java以及c#之間的數據傳輸,所以使用到AES的加密函數、解密函數。親測可用,分享給大家:
java代碼:
package my;
import javax.crypto.*;
import javax.crypto.spec.SecretKeySpec;
import sun.misc.*;
public class Xianchengmingming {
public static void main(String[] args) throws Exception {
String key = "ABCDEFGHIJKLMNRS";
String value="hsb:123:1489048530930:60001";
System.out.println("加密:"+aesEncrypt(value,key));
System.out.println("解密:"+aesDecrypt(aesEncrypt(value,key),key));
}
/**
* AES的加密函數
* @param str 傳入需要加密的字符
* @param key 傳入一個16位長度的密鑰。否則報錯
* @return 執行成功返回加密結果,否則報錯
* @throws Exception 拋出一個加密異常
*/
public static String aesEncrypt(String str, String key) throws Exception {
if (str == null || key == null) return null;
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(key.getBytes("utf-8"), "AES"));
byte[] bytes = cipher.doFinal(str.getBytes("utf-8"));
return new BASE64Encoder().encode(bytes);
}
/**
* AES的解密函數
* @param str 傳入需要解密的字符
* @param key 傳入一個16位長度的密鑰。否則報錯
* @return 執行成功返回加密結果,否則報錯
* @throws Exception 拋出一個解密異常
*/
public static String aesDecrypt(String str, String key) throws Exception {
if (str == null || key == null) return null;
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(key.getBytes("utf-8"), "AES"));
byte[] bytes = new BASE64Decoder().decodeBuffer(str);
bytes = cipher.doFinal(bytes);
return new String(bytes, "utf-8");
}
}
C#代碼:
using System;
using System.Collections.Generic;
using System.Text;
using System.Security.Cryptography;
using System.IO;
namespace ConsoleApplication3
{
class Program
{
static void Main(string[] args)
{
String key = "ABCDEFGHIJKLMNRS";
Console.WriteLine("解密" + Decrypt("/4+UJG55uVHN6rninZ6Z8nUe2OJHGGAYqcdmdDeQhiM=", key));
Console.ReadLine();
}
/// <summary>
/// 有密碼的AES加密
/// </summary>
/// <param name="text">加密字符</param>
/// <param name="password">加密的密碼</param>
/// <param name="iv">密鑰</param>
/// <returns></returns>
public static string Encrypt(string toEncrypt,string key)
{
byte[] keyArray = UTF8Encoding.UTF8.GetBytes(key);
byte[] toEncryptArray = UTF8Encoding.UTF8.GetBytes(toEncrypt);
RijndaelManaged rDel = new RijndaelManaged();
rDel.Key = keyArray;
rDel.Mode = CipherMode.ECB;
rDel.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = rDel.CreateEncryptor();
byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
return Convert.ToBase64String(resultArray, 0, resultArray.Length);
}
/// <summary>
/// AES解密
/// </summary>
/// <param name="text"></param>
/// <param name="password"></param>
/// <param name="iv"></param>
/// <returns></returns>
public static string Decrypt(string toDecrypt,string key)
{
byte[] keyArray = UTF8Encoding.UTF8.GetBytes(key);
byte[] toEncryptArray = Convert.FromBase64String(toDecrypt);
RijndaelManaged rDel = new RijndaelManaged();
rDel.Key = keyArray;
rDel.Mode = CipherMode.ECB;
rDel.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = rDel.CreateDecryptor();
byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
return UTF8Encoding.UTF8.GetString(resultArray);
}
}
}
java運行結果:
c#運行結果: