public void createMessage()
{
string message = "0123456789ABCDEF";
BitArray excepted_message;
string given_message_table = "00000001 00100011 01000101 01100111 10001001 10101011 11001101 11101111";
// message
excepted_message = this.fromStringToBitArray(given_message_table, 64);
Message test_message = new Message(message, 0);
CollectionAssert.AreEqual(excepted_message, test_message.bitMsg, "Excepted:\n" + this.bitArrayToString(excepted_message) + " Actual\n" + this.bitArrayToString(test_message.bitMsg));
}
public void decryptMessage()
{
string message = "0123456789ABCDEF";
BitArray excepted_message;
string excepted_message_string = "00000001 00100011 01000101 01100111 10001001 10101011 11001101 11101111";
excepted_message = this.fromStringToBitArray(excepted_message_string);
Key key = new Key("133457799BBCDFF1");
key.initialPermutation();
key.splitting();
key.shifts();
key.finalPermutation();
Message test_message = new Message(message, 0);
test_message.initialPermutation();
test_message.splitting();
Iteration.setKeys(key.keys);
Iteration iteration = new Iteration(test_message.msg_left_side, test_message.msg_right_side);
for (int i = 1; i <= 16; i++)
{
iteration.ePermutation(i);
iteration.xorWithKey(i);
iteration.sBoxing(i);
iteration.pPermutation(i);
iteration.afterIteration(i);
}
test_message.reverseConnecting(iteration.leftSide[16], iteration.rightSide[16]);
test_message.finalPermutation();
test_message = new Message(test_message.bitMsg);
test_message.initialPermutation();
test_message.splitting();
key.reverseKey();
Iteration.setKeys(key.keys);
iteration = new Iteration(test_message.msg_left_side, test_message.msg_right_side);
for (int i = 1; i <= 16; i++)
{
iteration.ePermutation(i);
iteration.xorWithKey(i);
iteration.sBoxing(i);
iteration.pPermutation(i);
iteration.afterIteration(i);
}
test_message.reverseConnecting(iteration.leftSide[16], iteration.rightSide[16]);
test_message.finalPermutation();
CollectionAssert.AreEqual(excepted_message, test_message.bitMsg, "Excepted:\n" + this.bitArrayToString(excepted_message) + " Actual\n" + this.bitArrayToString(test_message.bitMsg));
}
public void splittingMessage()
{
string message = "0123456789ABCDEF";
BitArray excepted_left_message;
BitArray excepted_right_message;
string message_left_side = "11001100 00000000 11001100 11111111";
string message_right_side = "11110000 10101010 11110000 10101010";
excepted_left_message = this.fromStringToBitArray(message_left_side, 32);
excepted_right_message = this.fromStringToBitArray(message_right_side, 32);
Message test_message = new Message(message, 0);
test_message.initialPermutation();
test_message.splitting();
CollectionAssert.AreEqual(excepted_left_message, test_message.msg_left_side, "Excepted:\n" + this.bitArrayToString(excepted_left_message) + " Actual\n" + this.bitArrayToString(test_message.msg_left_side));
CollectionAssert.AreEqual(excepted_right_message, test_message.msg_right_side, "Excepted:\n" + this.bitArrayToString(excepted_right_message) + " Actual\n" + this.bitArrayToString(test_message.msg_right_side));
}
public void loadMsg()
{
string path = "test.bin";
Message msg = new Message(path);
CollectionAssert.AllItemsAreNotNull(msg.bitMsg);
}
public void initialPermutation()
{
Message msg = new Message("testowanie.bin");
msg.initialPermutation();
Message expected = new Message("expected.bin");
CollectionAssert.AreEqual(expected.bitMsg, msg.bitMsg, "expected:" + expected.bitMsg.ToString() + "result:" + msg.bitMsg.ToString());
}
public static BitArray makeMessage(byte[] bit_message)
{
Message message = new Message(bit_message);
message.initialPermutation();
message.splitting();
Iteration iteration = new Iteration(message.msg_left_side, message.msg_right_side);
Iteration.setKeys(Utils.key.keys);
for (int i = 1; i <= 16; i++)
{
Utils.oneIteration(iteration, i);
}
message.reverseConnecting(iteration.leftSide[16], iteration.rightSide[16]);
message.finalPermutation();
return message.bitMsg;
}