Find all pairs of integers keys (a, b) for affine ciphers for which the encryption function c = (ap + b) mod 26 is the same as the corresponding decryption function.
Find all pairs of integers keys (a, b) for affine ciphers for which the encryption function c = (ap + b) mod 26 is the same as the corresponding decryption function.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter1: Vectors
Section1.1: The Geometry And Algebra Of Vectors
Problem 29EQ: Write out the addition and multiplication tables for 4.
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Find all pairs of integers keys (a, b) for affine ciphers for which the encryption function c = (ap + b) mod 26 is the same as the corresponding decryption function.
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