private void Trace(object sender, RoutedEventArgs e)
{
BinaryFieldElement firstOperand = new BinaryFieldElement(TXBFirstOperand.Text.ToString(), 443);
BinaryFieldElement result = (firstOperand).Trace();
TXBResult.Text = result.ToString();
}
private static void RemainderFromGenerator(BinaryFieldElement firstOperand, BinaryFieldElement result, BinaryFieldElement temporaryResult)
{
for (int coordinateIndex = temporaryResult.content.Count - 1; coordinateIndex >= 0; coordinateIndex--)
{
if (coordinateIndex < fieldGenerator.content.Count - 1)
{
break;
}
if (!temporaryResult.content[coordinateIndex])
{
continue;
}
for (int divistionCoordinateIndex = 0; divistionCoordinateIndex < fieldGenerator.content.Count; divistionCoordinateIndex++)
{
temporaryResult.content[coordinateIndex - divistionCoordinateIndex] ^=
fieldGenerator.content[fieldGenerator.content.Count - 1 - divistionCoordinateIndex];
}
}
for (int coordinateIndex = 0; coordinateIndex < firstOperand.content.Count; coordinateIndex++)
{
if (temporaryResult.content[coordinateIndex])
{
result.SetBit(coordinateIndex);
}
}
}
private void Reverse(object sender, RoutedEventArgs e)
{
BinaryFieldElement firstOperand = new BinaryFieldElement(TXBFirstOperand.Text.ToString(), 443);
BinaryFieldElement result = BinaryFieldElement.Power(firstOperand, (int)Math.Pow(2, 443) - 2);
TXBResult.Text = result.ToString();
}
public static BinaryFieldElement operator *(BinaryFieldElement firstOperand, BinaryFieldElement secondOperand)
{
BinaryFieldElement result = new BinaryFieldElement("0", firstOperand.content.Count);
BinaryFieldElement temporaryResult = new BinaryFieldElement("0", firstOperand.content.Count * 2 + 1);
Sum(firstOperand, secondOperand, temporaryResult);
RemainderFromGenerator(firstOperand, result, temporaryResult);
return result;
}
private void Power(object sender, RoutedEventArgs e)
{
BinaryFieldElement firstOperand = new BinaryFieldElement(TXBFirstOperand.Text.ToString(), 443);
int degree = int.Parse(TXBDegreeOperand.Text);
BinaryFieldElement result = BinaryFieldElement.Power(firstOperand, degree);
TXBResult.Text = result.ToString();
}
private void Multiplication(object sender, RoutedEventArgs e)
{
BinaryFieldElement firstOperand = new BinaryFieldElement(TXBFirstOperand.Text.ToString(), 443);
BinaryFieldElement secondOperand = new BinaryFieldElement(TXBSecondOperand.Text.ToString(), 443);
BinaryFieldElement result = firstOperand * secondOperand;
TXBResult.Text = result.ToString();
}
public static BinaryFieldElement operator +(BinaryFieldElement firstOperand, BinaryFieldElement secondOperand)
{
BinaryFieldElement result = new BinaryFieldElement();
for (int coordinateIndex = 0; coordinateIndex < result.content.Count; coordinateIndex++)
{
result.content[coordinateIndex] = firstOperand.content[coordinateIndex] ^
secondOperand.content[coordinateIndex];
}
return result;
}
public BinaryFieldElement(BinaryFieldElement input)
{
content = new BitArray(input.content.Count);
int coordinateIndex = 0;
foreach (bool b in input.content)
{
content[coordinateIndex] = b;
coordinateIndex++;
}
}
public static BinaryFieldElement operator *(BinaryFieldElement firstOperand, BinaryFieldElement secondOperand)
{
BinaryFieldElement result = new BinaryFieldElement("0", firstOperand.content.Count);
BinaryFieldElement temporaryResult = new BinaryFieldElement("0", firstOperand.content.Count * 2 + 1);
Sum(firstOperand, secondOperand, temporaryResult);
RemainderFromGenerator(firstOperand, result, temporaryResult);
return(result);
}
public static BinaryFieldElement operator +(BinaryFieldElement firstOperand, BinaryFieldElement secondOperand)
{
BinaryFieldElement result = new BinaryFieldElement();
for (int coordinateIndex = 0; coordinateIndex < result.content.Count; coordinateIndex++)
{
result.content[coordinateIndex] = firstOperand.content[coordinateIndex] ^
secondOperand.content[coordinateIndex];
}
return(result);
}
public BinaryFieldElement(BinaryFieldElement input)
{
content = new BitArray(input.content.Count);
int coordinateIndex = 0;
foreach (bool b in input.content)
{
content[coordinateIndex] = b;
coordinateIndex++;
}
}
private void CreateGenerator()
{
if (fieldGenerator != null)
{
return;
}
fieldGenerator = new BinaryFieldElement("0", 444);
fieldGenerator.SetBit(443);
fieldGenerator.SetBit(28);
fieldGenerator.SetBit(3);
fieldGenerator.SetBit(1);
fieldGenerator.SetBit(0);
}
public static BinaryFieldElement Power(BinaryFieldElement input, int degree)
{
BinaryFieldElement result = new BinaryFieldElement(input);
for (int degreeIndex = 0; degreeIndex < degree / 2; degreeIndex++)
{
result = Square(result);
}
if (degree % 2 == 1)
{
result = result * input;
}
return(result);
}
private static void Sum(BinaryFieldElement firstOperand, BinaryFieldElement secondOperand, BinaryFieldElement temporaryResult)
{
for (int coordinateIndex = 0; coordinateIndex < secondOperand.content.Count; coordinateIndex++)
{
if (secondOperand.content[coordinateIndex])
{
for (int firstCoordinateIndex = 0; firstCoordinateIndex < firstOperand.content.Count; firstCoordinateIndex++)
{
temporaryResult.content[coordinateIndex + firstCoordinateIndex] ^=
firstOperand.content[firstCoordinateIndex];
}
}
}
}
public static BinaryFieldElement Square(BinaryFieldElement input)
{
BinaryFieldElement result = new BinaryFieldElement("0", input.content.Count);
BinaryFieldElement tmpResult = new BinaryFieldElement("0", input.content.Count * 2 + 1);
for (int positionIndex = 0; positionIndex < tmpResult.content.Count; positionIndex++)
{
if (positionIndex % 2 == 0)
{
continue;
}
tmpResult.content[positionIndex] = input.content[positionIndex / 2];
}
RemainderFromGenerator(input, result, tmpResult);
return(result);
}
public BinaryFieldElement Trace()
{
bool trace = false;
BinaryFieldElement result = new BinaryFieldElement("0", content.Count);
for (int degreeIndex = 0; degreeIndex < content.Count; degreeIndex++)
{
BinaryFieldElement tmpResult = new BinaryFieldElement("0", 443);
for (int squareIndex = 0; squareIndex < degreeIndex; squareIndex++)
{
tmpResult = Square(tmpResult);
}
result += tmpResult;
}
trace = result.content[0];
return(result);
}
public static BinaryFieldElement Square(BinaryFieldElement input)
{
BinaryFieldElement result = new BinaryFieldElement("0", input.content.Count);
BinaryFieldElement tmpResult = new BinaryFieldElement("0", input.content.Count * 2 + 1);
for (int positionIndex = 0; positionIndex < tmpResult.content.Count; positionIndex++)
{
if (positionIndex % 2 == 0) continue;
tmpResult.content[positionIndex] = input.content[positionIndex / 2];
}
RemainderFromGenerator(input, result, tmpResult);
return result;
}
private static void RemainderFromGenerator(BinaryFieldElement firstOperand, BinaryFieldElement result, BinaryFieldElement temporaryResult)
{
for (int coordinateIndex = temporaryResult.content.Count - 1; coordinateIndex >= 0; coordinateIndex--)
{
if (coordinateIndex < fieldGenerator.content.Count - 1) break;
if (!temporaryResult.content[coordinateIndex]) continue;
for (int divistionCoordinateIndex = 0; divistionCoordinateIndex < fieldGenerator.content.Count; divistionCoordinateIndex++)
{
temporaryResult.content[coordinateIndex - divistionCoordinateIndex] ^=
fieldGenerator.content[fieldGenerator.content.Count - 1 - divistionCoordinateIndex];
}
}
for (int coordinateIndex = 0; coordinateIndex < firstOperand.content.Count; coordinateIndex++)
{
if (temporaryResult.content[coordinateIndex])
{
result.SetBit(coordinateIndex);
}
}
}
private static void Sum(BinaryFieldElement firstOperand, BinaryFieldElement secondOperand, BinaryFieldElement temporaryResult)
{
for (int coordinateIndex = 0; coordinateIndex < secondOperand.content.Count; coordinateIndex++)
{
if (secondOperand.content[coordinateIndex])
{
for (int firstCoordinateIndex = 0; firstCoordinateIndex < firstOperand.content.Count; firstCoordinateIndex++)
{
temporaryResult.content[coordinateIndex + firstCoordinateIndex] ^=
firstOperand.content[firstCoordinateIndex];
}
}
}
}
public BinaryFieldElement Trace()
{
bool trace = false;
BinaryFieldElement result = new BinaryFieldElement("0", content.Count);
for (int degreeIndex = 0; degreeIndex < content.Count; degreeIndex++)
{
BinaryFieldElement tmpResult = new BinaryFieldElement("0", 443);
for (int squareIndex = 0; squareIndex < degreeIndex; squareIndex++)
{
tmpResult = Square(tmpResult);
}
result += tmpResult;
}
trace = result.content[0];
return result;
}
private void CreateGenerator()
{
if (fieldGenerator != null) return;
fieldGenerator = new BinaryFieldElement("0", 444);
fieldGenerator.SetBit(443);
fieldGenerator.SetBit(28);
fieldGenerator.SetBit(3);
fieldGenerator.SetBit(1);
fieldGenerator.SetBit(0);
}
public static BinaryFieldElement Power(BinaryFieldElement input, int degree)
{
BinaryFieldElement result = new BinaryFieldElement(input);
for (int degreeIndex = 0; degreeIndex < degree / 2; degreeIndex++)
{
result = Square(result);
}
if (degree % 2 == 1)
{
result = result * input;
}
return result;
}
