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Article: British Secret Service Creates Website to Recruit Self-Taught Hack
Cute. Looks like there are three stages in the challenge. It took me about two hours to solve the first stage.
I'm pretty impressed with the level of challenge so far. You need to know cryptography and low level systems stuff pretty well to get through the first problem, and there's a pretty devilish twist you need to figure out before you can proceed.
Bomber...thought those were just 0's and 1's. Ok this I don't know. I tried treating it as if they were binary codes but it gave me strange answers like the first line: c d g e h d a ssecond line: - k d b... I give up this is getting no where. what are all 3 changes ?
does any one know the encryption key ?