public DES(string key)
{
this.key = BitManipulator.StringToBinary(key);
this.allKeys = new bool[16][];
this.sboxes = new List <int[, ]>();
this.sboxes.Add(s1);
this.sboxes.Add(s2);
this.sboxes.Add(s3);
this.sboxes.Add(s4);
this.sboxes.Add(s5);
this.sboxes.Add(s6);
this.sboxes.Add(s7);
this.sboxes.Add(s8);
this.GenerateKeys();
}
private void SetBlocksOfPlainText(string secretMsg)
{
bool[] secretMsgBits = BitManipulator.StringToBinary(secretMsg);
int numOfBlocks = secretMsgBits.Length / 64;
numOfBlocks = (secretMsgBits.Length % 64 != 0) ? ++numOfBlocks : numOfBlocks;
blocks = new bool[numOfBlocks][];
bool[] block = new bool[64];
int i, j = 0, count = 0;
/////Padding & Block Division
for (i = 0; i < secretMsgBits.Length && j < numOfBlocks; i++)
{
if (count == 63)
{
block[count] = secretMsgBits[i];
blocks[j] = block;
block = new bool[64];
j++;
count = 0;
}
else
{
block[count] = secretMsgBits[i];
++count;
if (i == secretMsgBits.Length - 1)
{
blocks[j] = block;
}
}
}
if (count != 0)
{
for (int k = count; k < 64; k++)
{
blocks[j][k] = false;
}
}
}