Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 19 Jul 2017 My Price 2.00

complementation property

1. Prove that the DES cipher satisfies the complementation property (see page 229).

2. Let k be the encipherment key for a Caesar cipher. The decipherment key differs; it is 26 – k. One of the characteristics of a public key system is that the encipherment and decipherment keys are different. Why then is the Caesar cipher a classical cryptosystem, not a public key cryptosystem? Be specific.

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Maurice Tutor
(5)
Status NEW Posted 19 Jul 2017 12:07 PM My Price 2.00

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