private static void Main(string[] args)
{
string ss = Encrypto("wangzhen");
string s2 = Decrypto(ss);
}
private static readonly SymmetricAlgorithm mobjCryptoService = new RijndaelManaged();
private static readonly string Key;
/// <summary>
/// 获得密钥
/// </summary>
/// <returns>密钥</returns>
private static byte[] GetLegalKey()
{
string sTemp = "Guz(%&hj7x89H$yuBI0456FtmaT5&fvHUFCy76*h%(HilJ$lhj!y6&(*jkP87jH7";
mobjCryptoService.GenerateKey();
byte[] bytTemp = mobjCryptoService.Key;
int KeyLength = bytTemp.Length;
if (sTemp.Length > KeyLength)
sTemp = sTemp.Substring(0, KeyLength);
else if (sTemp.Length < KeyLength)
sTemp = sTemp.PadRight(KeyLength, ' ');
return Encoding.ASCII.GetBytes(sTemp);
}
/// <summary>
/// 获得初始向量IV
/// </summary>
/// <returns>初试向量IV</returns>
private static byte[] GetLegalIV()
{
string sTemp = "E4ghj*Ghg7!rNIfb&95GUY86GfghUb#er57HBh(u%g6HJ($jhWk7&!hg4ui%$hjk";
mobjCryptoService.GenerateIV();
byte[] bytTemp = mobjCryptoService.IV;
int IVLength = bytTemp.Length;
if (sTemp.Length > IVLength)
sTemp = sTemp.Substring(0, IVLength);
else if (sTemp.Length < IVLength)
sTemp = sTemp.PadRight(IVLength, ' ');
return Encoding.ASCII.GetBytes(sTemp);
}
/// <summary>
/// 加密方法
/// </summary>
/// <param name="source">待加密的串</param>
/// <returns>经过加密的串</returns>
public static string Encrypto(string source)
{
byte[] bytIn = Encoding.UTF8.GetBytes(source);
var ms = new MemoryStream();
//mobjCryptoService.Key = GetLegalKey();
//mobjCryptoService.IV = GetLegalIV();
ICryptoTransform encrypto = mobjCryptoService.CreateEncryptor();
var cs = new CryptoStream(ms, encrypto, CryptoStreamMode.Write);
cs.Write(bytIn, 0, bytIn.Length);
cs.FlushFinalBlock();
ms.Close();
byte[] bytOut = ms.ToArray();
return Convert.ToBase64String(bytOut);
}
/// <summary>
/// 解密方法
/// </summary>
/// <param name="source">待解密的串</param>
/// <returns>经过解密的串</returns>
public static string Decrypto(string source)
{
byte[] bytIn = Convert.FromBase64String(source);
var ms = new MemoryStream(bytIn, 0, bytIn.Length);
//mobjCryptoService.Key = GetLegalKey();
//mobjCryptoService.IV = GetLegalIV();
ICryptoTransform encrypto = mobjCryptoService.CreateDecryptor();
var cs = new CryptoStream(ms, encrypto, CryptoStreamMode.Read);
var sr = new StreamReader(cs);
return sr.ReadToEnd();
}