public void Crypt(string key, string plaintext)
{
var keyBytes = ByteHelper.HexToByteArray(key);
var plaintextBytes = Encoding.ASCII.GetBytes(plaintext);
var cypher = new byte[plaintextBytes.Length];
if (keyBytes.Length < plaintext.Length)
{
return;
}
for (int i = 0; i < plaintextBytes.Length; i++)
{
var bitKey = ByteHelper.ConvertByteToBoolArray(keyBytes[i]);
var bitPlaintext = ByteHelper.ConvertByteToBoolArray(plaintextBytes[i]);
var cypherbits = new bool[8];
for (int j = 0; j < 8; j++)
{
cypherbits[j] = XOR(bitKey[j], bitPlaintext[j]);
// cypherbits[j] = XOR(bitKey[j], cypherbits[j]);
}
cypher[i] = ByteHelper.ConvertBoolArrayToByte(cypherbits);
}
CypherPrintableBytes = ByteHelper.ByteArrayToHex(cypher);
}
public void Decrypt(string key, string crypt)
{
var keyBytes = ByteHelper.HexToByteArray(key);
var cryptBytes = ByteHelper.HexToByteArray(crypt);
var plaintextBytes = new byte[cryptBytes.Length];
if (keyBytes.Length < cryptBytes.Length)
{
return;
}
for (int i = 0; i < cryptBytes.Length; i++)
{
var bitKey = ByteHelper.ConvertByteToBoolArray(keyBytes[i]);
var bitCrypt = ByteHelper.ConvertByteToBoolArray(cryptBytes[i]);
var plainText = new bool[8];
for (int j = 0; j < 8; j++)
{
plainText[j] = XOR(bitKey[j], bitCrypt[j]);
}
plaintextBytes[i] = ByteHelper.ConvertBoolArrayToByte(plainText);
}
Message = Encoding.ASCII.GetString(plaintextBytes);
}
public AKRule(byte value)
{
_value = ByteHelper.ConvertByteToBoolArray(value);
}
