zoukankan      html  css  js  c++  java
  • MD5加(解)密代码实现

    public static string Md5Encrypt(string strSource)
            {
                //把字符串放到byte数组中  
                byte[] bytIn = System.Text.Encoding.Default.GetBytes(strSource);
                //建立加密对象的密钥和偏移量          
                byte[] iv = { 102, 16, 93, 156, 78, 4, 218, 32 };//定义偏移量  
                byte[] key = { 55, 103, 246, 79, 36, 99, 167, 3 };//定义密钥  
                //实例DES加密类  
                DESCryptoServiceProvider mobjCryptoService = new DESCryptoServiceProvider();
                mobjCryptoService.Key = iv;
                mobjCryptoService.IV = key;
                ICryptoTransform encrypto = mobjCryptoService.CreateEncryptor();
                //实例MemoryStream流加密密文件  
                System.IO.MemoryStream ms = new System.IO.MemoryStream();
                CryptoStream cs = new CryptoStream(ms, encrypto, CryptoStreamMode.Write);
                cs.Write(bytIn, 0, bytIn.Length);
                cs.FlushFinalBlock();
    
                string strOut = System.Convert.ToBase64String(ms.ToArray());
                return strOut;
            }
    
            public static string Md5Decrypt(string Source)
            {
                //将解密字符串转换成字节数组  
                byte[] bytIn = System.Convert.FromBase64String(Source);
                //给出解密的密钥和偏移量,密钥和偏移量必须与加密时的密钥和偏移量相同  
                byte[] iv = { 102, 16, 93, 156, 78, 4, 218, 32 };//定义偏移量  
                byte[] key = { 55, 103, 246, 79, 36, 99, 167, 3 };//定义密钥  
                DESCryptoServiceProvider mobjCryptoService = new DESCryptoServiceProvider();
                mobjCryptoService.Key = iv;
                mobjCryptoService.IV = key;
                //实例流进行解密  
                System.IO.MemoryStream ms = new System.IO.MemoryStream(bytIn, 0, bytIn.Length);
                ICryptoTransform encrypto = mobjCryptoService.CreateDecryptor();
                CryptoStream cs = new CryptoStream(ms, encrypto, CryptoStreamMode.Read);
                StreamReader strd = new StreamReader(cs, Encoding.Default);
                return strd.ReadToEnd();
            }

    控制台测试:

    string sec = "ID=sa;Password=123456;";
                string md5 = Md5Encrypt(sec);
                string final = Md5Decrypt(md5);
                Console.WriteLine("加密前:" + sec + ",加密后:" + md5 + ",解密后:" + final);
                Console.ReadLine();

    输出如下:

    记录编程的点滴,体会学习的乐趣
  • 相关阅读:
    orale 命令行创建&删除数据库
    Oracle 之表分析
    电子商务分销历程
    乐宝分销,人人都是老板
    随手将TPaxScripter 3.0改成了支持Delphi 2009,Delphi 2010,Delphi Xe
    百丽强势布局B2C,20亿铺路改变其销售格局
    顺丰开通B2C商城,快递业欲抢多一寸电商蛋糕
    Exchange环境搭建心得
    c# 添加外部程序集相对引用问题
    Entity Framework Code First 学习
  • 原文地址:https://www.cnblogs.com/AduBlog/p/13557873.html
Copyright © 2011-2022 走看看