Answer
Yes.
Work Step by Step
Consider the Caesar cipher with shift 13. The encipher function is $x+13$ and the decipher function is $x-13=x+13$.
Discrete Mathematics and Its Applications, Seventh Edition
by Rosen, Kenneth
Published by
McGraw-Hill Education
ISBN 10:
0073383090
ISBN 13:
978-0-07338-309-5
Chapter 4 - Section 4.6 - Cryptography - Exercises - Page 304: 10
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