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Nihilist Cipher

Nihilist Cipher

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Nihilist Cipher

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  1. Nihilist Cipher

  2. History • Dates back to late 19th century, early 21st • Used by nihilists in Russia against czarist regime

  3. Implementation • 6x6 Square • Follows keyword format • Requires two keywords

  4. Implementation

  5. Cryptanalysis • Can be attacked similarly to the Vigenere cipher • Uses normal addition • Keyword analyzation • Same keyword is used for encryption & decryption • Distribution relevant to vowels • Diagram/Trigram frequency analysis

  6. Bibliography • http://www.animal.ahrgr.de/showAnimationDetails.php3?lang=en&anim=215 • Nihilist cipher. (2007, April 24). In Wikipedia, The Free Encyclopedia. Retrieved 11:32, September 20, 2007, from http://en.wikipedia.org/w/index.php?title=Nihilist_cipher&oldid=125516929 • http://university.cyberarmy.net/kb/tiki-print.php?page=russian%20cipher%201 • http://webopedia.com/TERM/S/symetric_encryption.html