Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 29 Aug 2017 My Price 5.00

ECB mode

With the ECB mode, if there is an error in a block of the transmitted
ciphertext, only the corresponding plaintext block is affected. However, in the CBC
mode, this error propagates. For example, an error in the transmitted C1 (Figure
2.9) obviously corrupts P1 and P2.
a. Are any blocks beyond P2 affected?
b. Suppose that there is a bit error in the source version of P1. Through how
many ciphertext blocks is this error propagated? What is the effect at the
receiver?

Answers

Maurice Tutor
(5)
Status NEW Posted 29 Aug 2017 10:08 AM My Price 5.00

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