Talk:Solitaire (cipher)

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Revision as of 08:08, 13 May 2011 by imported>Howard C. Berkowitz (→‎Understanding the cipher: new section)
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 Definition:  A stream cipher that uses a shuffled deck of cards as its main mechanism. [d] [e]
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Understanding the cipher

Sandy, this is probably mostly my curiosity; I don't have the book at hand. This sounds like, however, a polyalphabetic substitution with a cryptoperiod of 52. Challenging for manual cryptanalysis, but not for machine analysis.

Do the jokers stay in the deck and complicate the cryptotext with nulls? Is there any kind of cipher feedback? Howard C. Berkowitz 09:08, 13 May 2011 (CDT)

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