Two cryptographers encrypt a secret password consisting only of nonnegative integers less than min(11, 17) using an affine cipher. They agree to use thesame positive integer a in the following way: the affine key of the first cryptographer is → ax (mod 11) and the affine key of the second isxax (mod 17) (where their result is the least residue modulo 11, 17, respectively). For example, if their affine keys are →→ 3x (mod 5) andx + 3x (mod 7), and the secret password is "1,2,3", then they would produce the ciphertext3,1, 1 and 3, 6, 2,respectively.Assume that we know that the first digit of the secret password is 1, and suppose that the encrypted message of the first cryptographer is of the formand the encrypted message of the second cryptographer is of the form(where the asterisks are numbers that we could not intercept).Enter the least positive integer a that could be used in their keys.Type your answer...7******8***...***

The least positive integer a that could be used in their keys is 54.Explanation:Step 1: First find…

Answered: Two cryptographers encrypt a secret…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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