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Re^2: z340crack : A Tool For Brute-Force Cracking The Zodiac Serial Killer's Z340 Cipher.

by jffry (Hermit)
on Aug 22, 2011 at 17:15 UTC ( #921697=note: print w/ replies, xml ) Need Help??


in reply to Re: z340crack : A Tool For Brute-Force Cracking The Zodiac Serial Killer's Z340 Cipher.
in thread z340crack : A Tool For Brute-Force Cracking The Zodiac Serial Killer's Z340 Cipher.

I now realize the joke is on me. There is no place in the while ($z>=0) loop that $z will ever get set to below 0. No wonder I've been running this now for 45 days without end!


Comment on Re^2: z340crack : A Tool For Brute-Force Cracking The Zodiac Serial Killer's Z340 Cipher.
Re^3: z340crack : A Tool For Brute-Force Cracking The Zodiac Serial Killer's Z340 Cipher.
by bpoag (Monk) on Sep 20, 2012 at 17:36 UTC
    This script will run forever, producing output and dumping a key when 3 or more "signal words" are found in the noise. Seeing upwards of 3 would yeild a key that would be close enough to a solution that the remainder could be deciphered by human eyes. It's a comprimise between the need for building a very fast engine, and the need to have a strict dictionary check of every possible word. Given the enormous keyspace we're dealing with, it's mathematically unlikely to yeild a full solution in our lifetime. This tool attempts to render partial solutions which warrant human appraisal.

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