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1992-01-28
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ZCrypt v1.2 Encryption Utility
Contest.Doc file
January 27, 1992
For all you code breakers out there, we are sponsoring a code
breaking contest. There will be a $1000 reward for breaking a
fast LFSR w/Adder code (the /Y option)**, and a $3000 reward for
breaking the Bit-Basher code (the /Z option). "Breaking" a code
is defined below.
You must register your copy of ZCrypt v1.2 to be eligible for the
contest (no exceptions!). See the Register.doc file for
registration information.
A winner is guaranteed. Clues will be posted until someone finds
a solution. We will do our best to make the clues give
cryptanalysts an advantage. We are looking for clever attacks,
not a brute-force try-all-the-remaining-possibilities solution.
Suggestions for clues are welcomed.
Here is what you have to do to break a code:
Given: Alg-Y.ct (created via "ZCrypt Alg-Y.ct /Y") and
Alg-Z.ct (created via "ZCrypt Alg-Z.ct /Z"), both of
which are provided on the distribution disk.
Problem: Find the Key which correctly decrypts
one of the files. Send us the key (and decrypted
text) and tell us how you found it.
Send your solution by certified mail to:
Micanopy MicroSystems
4139-49 SW Archer Road
Gainesville, FL 32608
Two solutions postmarked within 30 days of each other, and within
the same "clue" period, will be considered a tie. The reward
will then go to the person who registered first.
** The fast LFSR w/Adder code (/Y option) has been broken.
As of this date, the Bit-Basher (/z option) remains unbroken.