public MainWindow()
{
InitializeComponent();
int[] baudRate = {4800, 9600, 19200, 38400, 57600, 115200, 230400};
BaudrateComboBox.ItemsSource = baudRate;
BaudrateComboBox.SelectedValue = baudRate[2];
FirmwareFilenameTextBox.Text = FileNotSelectedText;
InitializeFormValues();
ReadSettings();
Closed += OnClosed;
_vioCrypt = new VioCrypt();
}
public void TestVioCrypt()
{
byte[] cryptTable = LoadTable("crypt.bin", "can't load crypt table");
byte[] decryptTable = LoadTable("decrypt.bin", "can't load decrypt table");
var testObject = new VioCrypt {CryptTable = cryptTable, DecryptTable = decryptTable};
Assert.IsNotNull(testObject.DecryptTable);
Assert.IsNotNull(testObject.CryptTable);
var testBytearray = new byte[0x10000];
var cryptedBytearray = new byte[0x10000];
var decryptedBytearray = new byte[0x10000];
var rnd = new Random((int) DateTime.Now.Ticks);
for (var idx = 0; idx < testBytearray.Length; ++idx) testBytearray[idx] = (byte) rnd.Next(0, 0x100);
const int packetLen = 0x20;
var packetCount = testBytearray.Length / packetLen;
testObject.ResetCryptState();
var internalBuffer = new byte[packetLen];
// шифруем
for (var packetNum = 0; packetNum < packetCount; ++packetNum) {
Array.Copy(testBytearray, packetNum * packetLen, internalBuffer, 0, packetLen);
var result = testObject.ContinueCrypt(internalBuffer);
Array.Copy(result, 0, cryptedBytearray, packetNum * packetLen, packetLen);
}
// обратная операция
testObject.ResetCryptState();
for (var packetNum = 0; packetNum < packetCount; ++packetNum)
{
Array.Copy(cryptedBytearray, packetNum * packetLen, internalBuffer, 0, packetLen);
var result = testObject.ContinueDecrypt(internalBuffer);
Array.Copy(result, 0, decryptedBytearray, packetNum * packetLen, packetLen);
}
for (var idx = 0; idx < testBytearray.Length; ++idx) {
Assert.AreEqual(testBytearray[idx], decryptedBytearray[idx], "error on index: " + idx);
}
}
