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 finalPermutationKey() { string key = "133457799BBCDFF1"; string[] key_string = new string[17]; key_string[1] = " 000110 110000 001011 101111 111111 000111 000001 110010"; key_string[2] = " 011110 011010 111011 011001 110110 111100 100111 100101"; key_string[3] = " 010101 011111 110010 001010 010000 101100 111110 011001"; key_string[4] = " 011100 101010 110111 010110 110110 110011 010100 011101"; key_string[5] = " 011111 001110 110000 000111 111010 110101 001110 101000"; key_string[6] = " 011000 111010 010100 111110 010100 000111 101100 101111"; key_string[7] = " 111011 001000 010010 110111 111101 100001 100010 111100"; key_string[8] = " 111101 111000 101000 111010 110000 010011 101111 111011"; key_string[9] = " 111000 001101 101111 101011 111011 011110 011110 000001"; key_string[10] = " 101100 011111 001101 000111 101110 100100 011001 001111"; key_string[11] = " 001000 010101 111111 010011 110111 101101 001110 000110"; key_string[12] = " 011101 010111 000111 110101 100101 000110 011111 101001"; key_string[13] = " 100101 111100 010111 010001 111110 101011 101001 000001"; key_string[14] = " 010111 110100 001110 110111 111100 101110 011100 111010"; key_string[15] = " 101111 111001 000110 001101 001111 010011 111100 001010"; key_string[16] = " 110010 110011 110110 001011 000011 100001 011111 110101"; BitArray[] excepted_keys = new BitArray[17]; for (int i = 1; i < 17; i++) { excepted_keys[i] = this.fromStringToBitArray(key_string[i], 48); } Key test_key = new Key(key); test_key.initialPermutation(); test_key.splitting(); test_key.shifts(); test_key.finalPermutation(); for (int i = 1; i < 17; i++) { CollectionAssert.AreEqual(excepted_keys[i], test_key.keys[i], "Excepted:\n" + this.bitArrayToString(excepted_keys[i]) + " Actual\n" + this.bitArrayToString(test_key.keys[i])); } }