I dont know what other forum to put this on...sooo. ;P <P>I remember reading a while back about some code book that had a bunch of cryptography puzzles in it. Like a puzzle book, i guess. <P>I wanted ...
The FBI today challenged anyone in the online community to break a cipher code on its site. The code was created by FBI cryptanalysts. The bureau invited hackers to a similar code-cracking challenge ...
1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...
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