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This site is dedicated to the quest for knowledge and wisdom, through science, mathematics, philosophy, invention, and technology.
The following Encrypted Message System is useful for various types of Secret Code
and Cipher systems. Designed for IE browser.
Some of the cipher systems implemented here are useful for solving:
many of James Sanborn's sculptures, inc. Kryptos, the Cyrillic Projector, Antipodes, Covert Ops Fragments (Zola Spy / English / Cyrillic), and Binary Systems,
some of Simon Singh's "The Code Book" Cipher Challenges ( 1, 2, 3, 4, 5, 6, 7, 8, 9, 10), (and the people who solved them CodeBook.org)
the Antilles Cipher Challenge http://www.ti89.com/cryptotut/challenge.htm
the Edgar A. Poe Ciphers,
at least one of the Beale Ciphers,
some of Dan Brown's Ciphers - The DaVinci Code, Digital Fortress,
the Smithy Code - from Judge Smith who ruled on the DaVinci Code trail,
Harry Potter and the Sorcerer's Stone, Mirror of Erised
at least one of the Feynman Ciphers,
the Elonka Code,
John Wilson's RuneQuest Cipher Challenge,
Michelle Barette's Egyptian Pharaoh Cipher Puzzle,
and perhaps others... (see Elonka's list of Famous Unsolved Codes).
You can also find some frequency counters, digram counters, pair distance calculators, avg IC calculation (Index of Coincidence), variance functions, etc...
Find Lanaki Cryptography lessons at: http://www.fortunecity.com/skyscraper/coding/379/lesson1.htm
You can find descriptions of some these code types at: http://www.cryptogram.org/cdb/aca.info/aca.and.you/chap08.html
Another excellent resource with many examples: The Crypto Tutorial - hint: the Mod-Trans/Linear-affine formula solves a lot of these...
And, of course, Music for solving Secret-Codes!:
The easy way to see how things work is to use the "Pick a code" drop-down box and then hit the "Decrypt" button
Breakdown of types of Secret Writing
|SECRET WRITING-->||STEGANOGRAPHY (hidden)|
|CRYPTOGRAPHY (scrambled)-->||TRANSPOSITION (rearrangement of message letters)|
|SUBSTITUTION (rearrangement of alphabet used)-->||CODE (replace words)|
|CIPHER (replace letters)|
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