private byte[] CalculateSBox(byte[] word)
{
byte[] newWord = new byte[word.Length];
for (int i = 0; i < word.Length; i++)
{
var b = word[i];
var hexString = b.ToString("X2");
var firstPartHex = hexString[0];
var secondPartHex = hexString[1];
hexString = SBox.GetNewHexString(firstPartHex, secondPartHex);
newWord[i] = Convert.ToByte(hexString, 16);
}
return(newWord);
}
private byte[,] CalculateSBox(byte[,] matrix)
{
byte[,] newWord = new byte[matrix.GetLength(0), matrix.GetLength(1)];
for (int i = 0; i < newWord.GetLength(0); i++)
{
for (int j = 0; j < newWord.GetLength(1); j++)
{
var currentByte = matrix[j, i];
var hexString = currentByte.ToString("X2");
var firstPartHex = hexString[0];
var secondPartHex = hexString[1];
hexString = SBox.GetNewHexString(firstPartHex, secondPartHex);
newWord[j, i] = Convert.ToByte(hexString, 16);
}
}
return(newWord);
}
