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Question

Bob uses the RSA cryptosystem to allow people to send him encrypted messages. He selects the

parameters:

p=3,q=17,e=3,d=11


Alice wants to send the message m = 5 to Bob. Select the cyphertext that she sends.

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New Doc 2020-01-06 17.55.57_1.jpg

P= 3 , 9=17 , e=3
d = 1l
compute n = Pq
3 x 17 = 51
2 )
Compute the totient of the product
9 ( 7 ) = ( p - 1 ) (4-1)
= ( 3 -1) ( 17 - 1 )
32
'e is . Given 3
which is
in b /w
3
+ 32
d is given...

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