Thread: DES S-Box

  1. #1
    Registered User
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    Sep 2011
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    DES S-Box

    Someone is able to explain in detail the construction and operation of the DES S-Box, which from n input bits input, produces an output of m bits, with m <n?
    How can I get these properties?
    The process is reversible? How can I get the initial bits from those produced by the S-Box?

    Thanks in advance for your answers.

  2. #2
    Registered User meganewbie's Avatar
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    Apr 2009
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    USA, CA
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