class Program { static void Main(string[] args) {
string path = @"C:\Users\EDZ\Desktop\Test1\userData11.luxin"; if (!File.Exists(path)) { Console.WriteLine("文件不包含"); } FileStream fs = new FileStream(path,FileMode.Append); StreamWriter sw = new StreamWriter(fs); for (int i = 0; i < 3; i++) { Console.WriteLine("请用户输入账号："); string username = Console.ReadLine(); Console.WriteLine("请用户输入密码："); string password = Console.ReadLine(); string writeCon = username +"|"+ password; sw.WriteLine(Md5Encrypt(writeCon)); } sw.Close(); fs.Close(); Console.WriteLine("写入完成"); //读取 if (File.Exists(path)) { FileStream fs_ = new FileStream(path,FileMode.Open); StreamReader sr_ = new StreamReader(fs_); string str_ = string.Empty; while (true) { str_ = sr_.ReadLine(); if (string.IsNullOrEmpty(str_)) { break; } else { //解析 string newStr = Md5Decrypt(str_); string[] newStrSpl = newStr.Split('|'); foreach (var item in newStrSpl) { Console.WriteLine(item); } } }
}
Console.ReadKey(); }
//加密方法 static string Md5Encrypt(string strSource) { //把字符串放到byte数组中 byte[] bytIn = 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;
}
//解密方法
static public 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(); } }
转载于:https://www.cnblogs.com/Damon-3707/p/11257871.html
相关资源：md5解密工具Md5Decrypt