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Natzor's cryptology challenge (NC1)
Link | by Natzor on 2007-06-10 17:14:14 (edited 2007-06-11 23:36:02)


link: http://www.darknovagames.com/cypher.jpg


Clues?
1. The challenge has 2 steps. Reach the text, then decrypt it.
2. &, |, and _. You will need _ to break the cypher. (fill in the blank)
3. You WON'T be using _ with a constant.
4. *There is no multiplication or devision involved.
5. The second word in the cyphered text is 'but'.
6. Decryption of each letter is based on position, not of the previous letter.
7. In attempt to decrypt this, should you come across the number 256, you should be able to substiture it with 100 without loss of important data.

*You will 99% most likely find it easier to use a combination of one + or minus, and one * or /, in the equation that uses _. HOWEVER, once you get this far, it will be to your great advantage to simplify that equation and make a new variable that all you need to do is modify it manually per itteration.

If you are not a programmer, or cannot otherwise design decoding mechanisms, this challenge will be quite near impossible for you.

If you win, send your encrypted text to natsogames(aT)yahoo(doT)com (or just PM me here)

Winners:
1.Gendou
2.
3.

Re: Natzor's cryptology challenge (NC1)
Link | by gendou on 2007-06-11 00:11:44
Well, Trent, I managed to get both files.
So far so good...


Re: Natzor's cryptology challenge (NC1)
Link | by Natzor on 2007-06-11 00:16:11
Hahaha :D
If the length of my encrypted file is not long enough for reasonable decryption just let me know, I can make it a bit longer.

- Natzor

Re: Natzor's cryptology challenge (NC1)
Link | by gendou on 2007-06-11 00:43:52 (edited 2007-06-11 00:47:42)
i don't understand clue #2.
at first i thought it was hinting at a binary operation to be performed on pairs of numbers.
but, there is an odd number of them, so that rules out the possibility.
maybe its the a unary operation...?


maybe it's XOR (^ operator in PHP)?


Re: Natzor's cryptology challenge (NC1)
Link | by Natzor on 2007-06-11 00:50:36
You will use _, the rest of the clue is simply to allude to what _ is.

Re: Natzor's cryptology challenge (NC1)
Link | by gendou on 2007-06-11 03:06:41
i almost solved it, but, Romio dies half way through...


Re: Natzor's cryptology challenge (NC1)
Link | by Natzor on 2007-06-11 08:08:29
Ahaha!

Re: Natzor's cryptology challenge (NC1)
Link | by gendou on 2007-06-11 12:43:58
finished and sent! i figured out my problem, i was ignoring lines with the value "0".


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