/// <summary>
/// DES¼ÓÃÜ×Ö·û´®
/// </summary>
/// <param name="encryptString">´ý¼ÓÃܵÄ×Ö·û´®</param>
/// <param name="encryptKey">¼ÓÃÜÃÜÔ¿,ÒªÇóΪ8λ</param>
/// <returns>¼ÓÃܳɹ¦·µ»Ø¼ÓÃܺóµÄ×Ö·û´®,ʧ°Ü·µ»ØÔ´´®</returns>
public static string Encrypt(string encryptString, string encryptKey)
{
encryptKey = StringOper.GetSubString(encryptKey, 8, "");
encryptKey = encryptKey.PadRight(8, ' ');
byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
byte[] rgbIV = Keys;
byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString);
DESCryptoServiceProvider dCSP = new DESCryptoServiceProvider();
MemoryStream mStream = new MemoryStream();
CryptoStream cStream = new CryptoStream(mStream, dCSP.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
cStream.Write(inputByteArray, 0, inputByteArray.Length);
cStream.FlushFinalBlock();
return(Convert.ToBase64String(mStream.ToArray()));
}
/// <summary>
/// DES¼ÓÃÜ×Ö·û´®
/// </summary>
/// <param name="encryptString">´ý¼ÓÃܵÄ×Ö·û´®</param>
/// <param name="encryptKey">¼ÓÃÜÃÜÔ¿,ÒªÇóΪ8λ</param>
/// <returns>¼ÓÃܳɹ¦·µ»Ø¼ÓÃܺóµÄ×Ö·û´®,ʧ°Ü·µ»ØÔ´´®</returns>
public static string Encode(string encryptString, string encryptKey)
{
encryptKey = StringOper.GetSubString(encryptKey, 32, "");
encryptKey = encryptKey.PadRight(32, ' ');
RijndaelManaged rijndaelProvider = new RijndaelManaged();
rijndaelProvider.Key = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 32));
rijndaelProvider.IV = Keys;
ICryptoTransform rijndaelEncrypt = rijndaelProvider.CreateEncryptor();
byte[] inputData = Encoding.UTF8.GetBytes(encryptString);
byte[] encryptedData = rijndaelEncrypt.TransformFinalBlock(inputData, 0, inputData.Length);
return(Convert.ToBase64String(encryptedData));
}
/// <summary>
/// DES½âÃÜ×Ö·û´®
/// </summary>
/// <param name="decryptString">´ý½âÃܵÄ×Ö·û´®</param>
/// <param name="decryptKey">½âÃÜÃÜÔ¿,ÒªÇóΪ8λ,ºÍ¼ÓÃÜÃÜÔ¿Ïàͬ</param>
/// <returns>½âÃܳɹ¦·µ»Ø½âÃܺóµÄ×Ö·û´®,ʧ°Ü·µÔ´´®</returns>
public static string Decrypt(string decryptString, string decryptKey)
{
try
{
decryptKey = StringOper.GetSubString(decryptKey, 8, "");
decryptKey = decryptKey.PadRight(8, ' ');
byte[] rgbKey = Encoding.UTF8.GetBytes(decryptKey);
byte[] rgbIV = Keys;
byte[] inputByteArray = Convert.FromBase64String(decryptString);
DESCryptoServiceProvider DCSP = new DESCryptoServiceProvider();
MemoryStream mStream = new MemoryStream();
CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
cStream.Write(inputByteArray, 0, inputByteArray.Length);
cStream.FlushFinalBlock();
return(Encoding.UTF8.GetString(mStream.ToArray()));
}
catch
{
return("");
}
}
/// <summary>
/// DES½âÃÜ×Ö·û´®
/// </summary>
/// <param name="decryptString">´ý½âÃܵÄ×Ö·û´®</param>
/// <param name="decryptKey">½âÃÜÃÜÔ¿,ÒªÇóΪ8λ,ºÍ¼ÓÃÜÃÜÔ¿Ïàͬ</param>
/// <returns>½âÃܳɹ¦·µ»Ø½âÃܺóµÄ×Ö·û´®,ʧ°Ü·µÔ´´®</returns>
public static string Decode(string decryptString, string decryptKey)
{
try
{
decryptKey = StringOper.GetSubString(decryptKey, 32, "");
decryptKey = decryptKey.PadRight(32, ' ');
RijndaelManaged rijndaelProvider = new RijndaelManaged();
rijndaelProvider.Key = Encoding.UTF8.GetBytes(decryptKey);
rijndaelProvider.IV = Keys;
ICryptoTransform rijndaelDecrypt = rijndaelProvider.CreateDecryptor();
byte[] inputData = Convert.FromBase64String(decryptString);
byte[] decryptedData = rijndaelDecrypt.TransformFinalBlock(inputData, 0, inputData.Length);
return(Encoding.UTF8.GetString(decryptedData));
}
catch
{
return("");
}
}