static void Main(string[] args)
{
byte[] plainText = new byte[] {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff};
byte[] cipherText = new byte[16];
byte[] decipheredText = new byte[16];
byte[] keyBytes = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17};
Aes a = new Aes(Aes.KeySize.Bits128, keyBytes);
Console.WriteLine("\nAdvanced Encryption Standard Demo in .NET");
Console.WriteLine("\nThe plaintext is: ");
DisplayAsBytes(plainText);
Console.WriteLine("\nUsing a " + Aes.KeySize.Bits192.ToString() + "-key of: ");
DisplayAsBytes(keyBytes);
a.Cipher(plainText, cipherText);
Console.WriteLine("\nThe resulting ciphertext is: ");
DisplayAsBytes(cipherText);
a.InvCipher(cipherText, decipheredText);
Console.WriteLine("\nAfter deciphering the ciphertext, the result is: ");
DisplayAsBytes(decipheredText);
Console.WriteLine("\nDone");
Console.ReadLine();
}
private void saveSettings()
{
try
{
dcSQL.Server = txtServerName.Text;
dcSQL.Database = cbDatabaseName.Text;
if (rbNTSecurity.Checked)
{
dcSQL.SecurityType = DatabaseConfiguration.WINDOWS_NT_SECURITY;
}
else if (rbSQLSecurity.Checked)
{
dcSQL.UserId = txtUserId.Text;
dcSQL.Password = txtPassword.Text;
dcSQL.SecurityType = DatabaseConfiguration.SQLSERVER_SECURITY;
}
dcSQL.TestConnection();
if (dcSQL.Connected)
{
keysize = Aes.KeySize.Bits128;
byte[] plainText = new byte[16];
byte[] cipherText = new byte[16];
plainText = Encoding.Unicode.GetBytes(txtPassword.Text.PadRight(8, ' '));
AesLib.Aes a = new Aes(keysize, new byte[16]);
a.Cipher(plainText, cipherText);
string passasc = Encoding.Unicode.GetString(cipherText);
if (File.Exists(AppDomain.CurrentDomain.BaseDirectory + "settings.dat"))
File.Delete(AppDomain.CurrentDomain.BaseDirectory + "settings.dat");
FileInfo inf = new FileInfo(AppDomain.CurrentDomain.BaseDirectory + "settings.dat");
StreamWriter writer = inf.CreateText();
writer.WriteLine(txtServerName.Text);
writer.WriteLine(txtUserId.Text);
writer.WriteLine(passasc);
writer.WriteLine(cbDatabaseName.Text);
ExMessageBox.Show("Đã lưu", "Thông tin", ExMessageBox.CYButtons.OK, ExMessageBox.CYIcon.Information);
writer.Close();
}//if
else
{
ExMessageBox.Show("Kết nối không thành công. Vui lòng kiểm tra lại các thông số kết nối!", "Thông tin", ExMessageBox.CYButtons.OK, ExMessageBox.CYIcon.Error);
}
}
catch(AppException ex)
{
String strMessage =ex.Message;
}
}