public IActionResult LfsrGenerate([FromBody] LfsrGeneratorsViewModel viewModel)
{
var numOfRegisters = viewModel.Registers.Length;
Lfsr[] registers = new Lfsr[numOfRegisters];
for (int i = 0; i < numOfRegisters; i++)
{
registers[i] = new Lfsr(viewModel.Registers[i]);
registers[i].SetFeedbackFunction(viewModel.FeedbackFunctions[i]);
}
LfsrGenerator generator = new LfsrGenerator(registers);
SeriesMode mode = (SeriesMode)viewModel.Mode;
switch (mode)
{
case SeriesMode.Binary:
{
var data = generator.GenerateBitsAsChars(viewModel.Length);
var r = LfsrHelper.GetRegisterAsStringArray(generator.Registers);
return(Json(new { data = new string(data), registers = r }));
}
case SeriesMode.Hex:
{
var data = generator.GenerateBytes(viewModel.Length);
var r = LfsrHelper.GetRegisterAsStringArray(generator.Registers);
return(Json(new { data = BitConverter.ToString(data), registers = r }));
}
case SeriesMode.Base64:
{
var data = generator.GenerateBytes(viewModel.Length);
var r = LfsrHelper.GetRegisterAsStringArray(generator.Registers);
return(Json(new { data = data, registers = r }));
}
}
return(Json(""));
}
private void GenerateBtn_Click(object sender, RoutedEventArgs e)
{
string r1 = r1State.Content as string;
Lfsr[] lfsrs = new Lfsr[1];
lfsrs[0] = new Lfsr(r1);
//setting custom feedback function
ChangeLfsrFeedbackFunctions(lfsrs);
for (int i = 0; i < lfsrs.Length; i++)
{
generator.ChangeRegister(lfsrs[i], i);
}
var format = outputFormatComboBox.SelectedIndex;
int seriesLength = 0;
if (outputLength.Text != "")
{
seriesLength = int.Parse(outputLength.Text);
}
uint period = 0;
bool checkPeriod = false;
if (calculatePeriodCheckbox.IsChecked == true)
{
checkPeriod = true;
}
ClearOutput();
Task.Run(() =>
{
SetLoadingCircle(true);
disableButtons();
ResetFipsIcons();
byte[] generatedBytes = null;
switch (format)
{
case 0:
{
lastGeneratedFormat = format;
try
{
if (checkPeriod)
{
lastGeneratedString = new string(generator.GenerateBitsAsCharsWithPeriodCheck(seriesLength, lfsrs[0]));
period = generator.Period;
}
else
{
lastGeneratedString = new string(generator.GenerateBitsAsChars(seriesLength));
}
}
catch (Exception ex)
{
SetLoadingCircle(false);
MessageBox.Show(ex.Message);
return;
}
SetOutputText(lastGeneratedString);
SetLoadingCircle(false);
break;
}
case 1:
{
try
{
if (checkPeriod)
{
generatedBytes = generator.GenerateBytesWithPeriodCheck(seriesLength, lfsrs[0]);
period = generator.Period;
}
else
{
generatedBytes = generator.GenerateBytes(seriesLength);
}
}
catch (Exception ex)
{
SetLoadingCircle(false);
MessageBox.Show(ex.Message);
return;
}
lastGeneratedFormat = format;
lastGeneratedString = Convert.ToBase64String(generatedBytes);
SetOutputText(lastGeneratedString);
SetLoadingCircle(false);
break;
}
default:
break;
}
UpdateRegisterState(generator);
setPeriodInfo(period);
enableButtons();
if (seriesLength >= 20000)
{
SingleBitTestResult singleBitResult = null;
SeriesTestResult seriesResult = null;
LongSeriesTestResult longSeriesResult = null;
PokerTestResult pokerResult = null;
if (format == 0)
{
FipsTests fipsTests = new FipsTests();
var testInput = lastGeneratedString.Substring(0, 20000);
singleBitResult = fipsTests.SingleBitTest(testInput);
seriesResult = fipsTests.SeriesTest(testInput);
longSeriesResult = fipsTests.LongSeriesTests(testInput);
pokerResult = fipsTests.PokerTest(testInput);
}
else if (format == 1)
{
FipsTests fipsTests = new FipsTests();
byte[] testArray = new byte[2500];
Array.Copy(generatedBytes, testArray, 2500);
if (generatedBytes != null)
{
singleBitResult = fipsTests.SingleBitTest(testArray);
seriesResult = fipsTests.SeriesTest(testArray);
longSeriesResult = fipsTests.LongSeriesTests(testArray);
pokerResult = fipsTests.PokerTest(testArray);
}
}
if (singleBitResult.TestPassed)
{
singleBitSuccess();
}
else
{
singleBitFail();
}
if (seriesResult.TestPassed)
{
seriesSuccess();
}
else
{
seriesFail();
}
if (longSeriesResult.TestPassed)
{
longSeriesSuccess();
}
else
{
longSeriesFail();
}
if (pokerResult.TestPassed)
{
pokerSuccess();
}
else
{
pokerFail();
}
}
});
}
