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");
// Read
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);
}
}
}
}
The Console.ReadKey ();
}
static Md5Encrypt String (String strSource) {
// the string into a byte array
byte [] = bytIn Encoding.Default.GetBytes (strSource);
// build encryption key and the offset of the object the amount of
byte [] iv = {102, 16, 93, 156, 78, 4, 218, 32}; // define offset
byte [] key = {55, 103, 246, 79, 36, 99, 167, 3}; // define key
// class instance DES encrypting
the DESCryptoServiceProvider mobjCryptoService the DESCryptoServiceProvider new new = ();
mobjCryptoService.Key = IV;
mobjCryptoService.IV = key;
of the ICryptoTransform encrypto mobjCryptoService.CreateEncryptor = ();
// example encryption stream MemoryStream file
System.IO.MemoryStream new new System.IO.MemoryStream MS = ();
the CryptoStream new new CS = the CryptoStream (MS, encrypto, CryptoStreamMode.Write);
cs.Write(bytIn, 0, bytIn.Length);
cs.FlushFinalBlock();
string strOut = System.Convert.ToBase64String(ms.ToArray());
return strOut;
}
Md5Decrypt String public static (the Source String)
{
// converts the decrypted string into a byte array
byte [] = bytIn System.Convert.FromBase64String (the Source);
// offset given key and decryption key, and key must be identical to the offset amount and offset encrypted
byte [] iv = {102, 16, 93, 156, 78, 4, 218, 32}; // define offset
byte [] key = { 55, 103, 246, 79, 36, 99, 167, 3}; // define key
the DESCryptoServiceProvider mobjCryptoService the DESCryptoServiceProvider new new = ();
mobjCryptoService.Key = IV;
mobjCryptoService.IV = key;
// examples of decrypting a stream
System. MS = new new System.IO.MemoryStream IO.MemoryStream (bytIn, 0, bytIn.Length);
of the ICryptoTransform encrypto mobjCryptoService.CreateDecryptor = ();
the CryptoStream new new CS = the CryptoStream (MS, encrypto, CryptoStreamMode.Read);
StreamReader strd = new StreamReader(cs, Encoding.Default);
return strd.ReadToEnd();
}
}