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 23 Sep 2017 My Price 3.00

B encrypts a message

Consider the following scheme by which B encrypts a message for A.

1. A chooses two large primes P and Q that are also relatively prime to (P - 1)and (Q - 1).

2. A publishes N = PQ as its public key.

3. A calculates P and Q such that PP ≡1 (mod Q - 1) and QQ ≡1 (mod P - 1).

4. B encrypts message M as C = MNmod N.

5. A finds M by solving M ≡Cp(mod Q) and M ≡CQ(mod P).

a. Explain how this scheme works.

b. How does it differ from RSA?

c. Is there any particular advantage to RSA compared to this scheme?

Answers

Maurice Tutor
(5)
Status NEW Posted 23 Sep 2017 09:09 AM My Price 3.00

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