Just some fun pages about cryptograms, codes and ciphers.

• Caesar Cipher Translator This online program comes in handy when solving Vigenere Ciphers by hand. (ADDED Aug 16, 2010)
• Symmetry in Polyalphabetic Tableaus Putting the concept of symmetry to use in helping to solve polyalphabetics. (ADDED Aug 14, 2010)
• The Half-Deck Cipher A secure method of enciphering text using hald a deck of playing cards. (ADDED Aug 2, 2010)
• A New/Old Code is a code that not only encrypts your messages for security, but makes them smaller by as much as half. (ADDED July 19, 2010)
• A New Selection of Cryptograms to work. These include several more difficult types of cryptograms such as Patristocrats and Vigeneres. More different types coming later. (ADDED July 14, 2010)
• Proof That Chaocipher = Sliding Tile Cipher (ADDED July 7, 2010)
• The Game Tile Cipher (UPDATED July 7, 2010)
• A C++ Program for automatically solving cryptograms. Includes downloadable source code and dictionary file. (ADDED July 1, 2010)
• Online Cryptographic Coincidence Analysis For determining key length of a polyalphabetic cipher. (ADDED June 2010)
• Online Cryptographic Letter Frequency Analysis For collecting statistics about single alphabet and polyalphabetic letter frequencies. (ADDED June 2010)
• Pattern Word Dictionary (UPDATED June 2010)
• Using coincidence to attack polyalphabetic ciphers (UPDATED June 2010)
• Build a simple polyalphabetic cipher machine
• Build Captain Gary's Secret Decoder Rule
• The Skiptogram - an easy mechanical encoding device
• Build a working WWII Enigma Cipher Machine
• How I cracked the "Bored Guru" Cipher Challenge

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