Beispiel #1
0
        static void Main(string[] args)
        {
            try
            {
                #region MD5
                //1 防止看到明文 数据库密码,加盐(原密码+固定字符串,然后再MD5/双MD5)
                //2 防篡改
                //急速秒传(第一次上传文件,保存md5摘要,第二次上传检查md5摘要)
                //文件下载(防篡改,官方发布的时候给一个md5摘要,安装的时候首先检查下摘要)
                //svn  TFS  git  VSS(本地保存文件的md5摘要,任何修改都会影响md5)
                //3 防止抵赖

                Console.WriteLine(MD5Encrypt.Encrypt("1"));
                Console.WriteLine(MD5Encrypt.Encrypt("1"));
                Console.WriteLine(MD5Encrypt.Encrypt("123456小李"));
                Console.WriteLine(MD5Encrypt.Encrypt("113456小李"));
                Console.WriteLine(MD5Encrypt.Encrypt("113456小李113456小李113456小李113456小李113456小李113456小李113456小李"));
                string md5Abstract1 = MD5Encrypt.AbstractFile(@"D:\ruanmou\online9\homework\1\Advanced9第一次作业优秀合集.rar");
                string md5Abstract2 = MD5Encrypt.AbstractFile(@"D:\ruanmou\online9\homework\1\Advanced9第一次作业优秀合集 - 副本.rar");

                #endregion

                #region Des
                //可逆对称加密
                string desEn  = DesEncrypt.Encrypt("王殃殃");
                string desDe  = DesEncrypt.Decrypt(desEn);
                string desEn1 = DesEncrypt.Encrypt("张三李四");
                string desDe1 = DesEncrypt.Decrypt(desEn1);
                #endregion

                #region Rsa
                //可逆非对称加密
                KeyValuePair <string, string> encryptDecrypt = RsaEncrypt.GetKeyPair();
                string rsaEn1 = RsaEncrypt.Encrypt("net", encryptDecrypt.Key);    //key是加密的
                string rsaDe1 = RsaEncrypt.Decrypt(rsaEn1, encryptDecrypt.Value); //value 解密的   不能反过来用的
                //加密钥  解密钥  钥匙的功能划分
                //公钥    私钥      公开程度划分
                #endregion
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            Console.Read();
        }
Beispiel #2
0
        static void Main(string[] args)
        {
            {//MD5
             //非对称不可逆
                Console.WriteLine("*************************************非对称不可逆 MD5****************************************");
                string fileNmae     = @"F:\志翔学校.rar";
                string fileNmaeCopy = @"F:\志翔学校 - 副本.rar";
                Console.WriteLine(MD5Encrypt.Encrypt("123"));
                Console.WriteLine(MD5Encrypt.Encrypt("123"));

                Console.WriteLine(MD5Encrypt.Encrypt("321null"));

                Console.WriteLine("文件MD5 Soure:" + MD5Encrypt.AbstractFile(fileNmae));
                Console.WriteLine("文件MD5 Copy:" + MD5Encrypt.AbstractFile(fileNmaeCopy));
            }

            {//DesEncrypt
                //对称可逆加密
                //速度比较快
                Console.WriteLine("*************************************对称可逆加密 DES****************************************");

                string des = DesEncrypt.Encrypt("1233211234567890");
                string res = DesEncrypt.Decrypt(des);
                Console.WriteLine("Desc:" + des);
                Console.WriteLine("ESC:" + res);
            }


            {//Ras
                //非对称可逆加密
                //速度比较慢
                Console.WriteLine("*************************************非对称可逆加密 RSA****************************************");

                KeyValuePair <string, string> encryptDecrypt = RsaEncrypt.GetKeyPair();
                string rsaEn1 = RsaEncrypt.Encrypt("222222", encryptDecrypt.Key);
                string rsaDe1 = RsaEncrypt.Decrypt(rsaEn1, encryptDecrypt.Value);
                Console.WriteLine("加密:" + rsaEn1);
                Console.WriteLine("解密:" + rsaDe1);
                Console.WriteLine("公钥:" + encryptDecrypt.Key);
                Console.WriteLine("私钥:" + encryptDecrypt.Value);
            }


            {//Ras test
                //非对称可逆加密
                //速度比较慢
                Console.WriteLine("*************************************非对称可逆加密 RSA****************************************");
                RSAUtil rsa = new RSAUtil();
                //rsa.CreateRSAKey();
                //StreamReader reader1 = new StreamReader("privatekey.xml");
                //XmlDocument document1 = new XmlDocument();
                //document1.LoadXml(reader1.ReadToEnd());
                //XmlElement element1 = (XmlElement)document1.SelectSingleNode("root");
                //parameters1.Modulus = ReadChild(element1, "Modulus");
                //var r1 = rsa.ToHexString(rsa.ReadChild(element1, "Exponent"));
                //var r2 = rsa.ToHexString(rsa.ReadChild(element1, "D"));
                //var r3 = rsa.ToHexString(rsa.ReadChild(element1, "Q"));
                //var r4 = rsa.ToHexString(rsa.ReadChild(element1, "P"));
                var en   = rsa.EnCrypt("123");
                var doEn = rsa.DoEncrypt(en);

                Console.WriteLine("原文:" + doEn);
                Console.WriteLine("密文:" + en);
                Console.WriteLine("解密:" + doEn);
                //Console.WriteLine(r1);
                //Console.WriteLine(r2);
                //Console.WriteLine(r3);
                //Console.WriteLine(r4);
                //parameters1.DP = ReadChild(element1, "DP");
                //parameters1.DQ = ReadChild(element1, "DQ");
                //parameters1.P = ReadChild(element1, "P");
                //parameters1.Q = ReadChild(element1, "Q");
                //parameters1.InverseQ = ReadChild(element1, "InverseQ");
                //reader1.Close();
            }

            Console.ReadKey();
        }