public static string EncryptString(string ConnString)
{
if (string.IsNullOrWhiteSpace(ConnString))
{
return(ConnString);
}
return(Convert.ToBase64String(EncryptAndDecrypte.EncryptString(ConnString, Convert.FromBase64String(EncryptAndDecrypte.strKey), Convert.FromBase64String(EncryptAndDecrypte.strIV))));
}
public static string DecrypteString(string EncryptedConnectionString)
{
if (string.IsNullOrWhiteSpace(EncryptedConnectionString))
{
return(EncryptedConnectionString);
}
return(EncryptAndDecrypte.DecrypteString(Convert.FromBase64String(EncryptedConnectionString), Convert.FromBase64String(EncryptAndDecrypte.strKey), Convert.FromBase64String(EncryptAndDecrypte.strIV)).TrimEnd(new char[1]));
}
public static void TryGetKeyAndIV(out byte[] Key, out byte[] IV)
{
TripleDESCryptoServiceProvider cryptoServiceProvider = new TripleDESCryptoServiceProvider();
for (int Len = 200; Len > 0; --Len)
{
try
{
Key = EncryptAndDecrypte.GetBytes(Len);
IV = EncryptAndDecrypte.GetBytes(Len);
cryptoServiceProvider.CreateDecryptor(Key, IV);
return;
}
catch
{
}
}
Key = (byte[])null;
IV = (byte[])null;
}