Understanding Cryptography by Christof Paar and Jan Pelzl - Chapter 1 Solutions - Ex1.11 - 3 mins
This problem deals with the affine cipher with the key parameters a = 7, b = 22.
- Decrypt the text above.
- Who wrote the line?
This solution is verified as correct by the official Solutions for Odd-Numbered Questions manual.
1. Given that we possess the key, we can decrypt this directly:
2. Lewis Carroll wrote this in one of his poems.
I wrote a python script which can perform affine cipher encryptions/decryptions.