Answered: In Affine Cipher the Key = (x,ß); where…

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In Affine Cipher the Key = (x,ß); where n, α,β ΕΖ 1. gcd(x,M)=1 2. 1

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

In Affine Cipher the Key = (x,ß); where n,
α,β ΕΖ
1. gcd(x,M)=1
2. 1<x <M
3. 0≤ß <M
Encryption Formula f(x)=xx+ß (mod M)
Let The set remainders of mod 24={0,
1,2, ...,23}.
Find the total number of possible a's are?
Inverse of each a value

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