SophiaPretty

(5)

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About SophiaPretty

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Teaching Since: Jul 2017
Last Sign in: 304 Weeks Ago, 2 Days Ago
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  • MBA,PHD, Juris Doctor
    Strayer,Devery,Harvard University
    Mar-1995 - Mar-2002

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  • Manager Planning
    WalMart
    Mar-2001 - Feb-2009

Category > Computer Science Posted 20 Dec 2017 My Price 5.00

using a three-message mutual authentication protocol,

  1. Suppose we are using a three-message mutual authentication protocol, and Alice initi- ates contact with Bob. Suppose we wish Bob to be a stateless server, and therefore it is inconvenient to require him to remember the challenge he sent to Alice. Letâs modify the exchange so that Bob sends both the challenge and a challenge encrypted with a key that only he knows, to Alice:

Alice to Bob: âIâm Aliceâ

Bob to Alice: R, KBob(R)

Alice to Bob: KBob(R), KAliceâBob(R)

Is this protocol secure?

Answers

SophiaPretty
(5)
Status NEW Posted 20 Dec 2017 11:12 AM My Price 5.00

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