Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

An affine cipher is a type of simple substitution where each letter is encrypted according to the rule c = (a*p + b) mod 26

An affine cipher is a type of simple substitution where each letter is encrypted according to the rule c = (a*p + b) mod 26 (see the Appendix for a discussion of mod). Here, p, c, a, and b are each numbers in the range 0 to 25, where p represents the plaintext letter, c the ciphertext letter, and a and b are constants. For the plaintext and ciphertext, 0 corresponds to "a," 1 corresponds to "b," and so on. Consider the ciphertext QJKES REOGH GXXRE OXEO, which was generated using an affine cipher. Determine the constants a and b and decipher the mes- sage. Hint: Plaintext "t" encrypts to ciphertext "H" and plaintext "o" encrypts to ciphertext "E."

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Relational Database And SQL

Authors: Lucy Scott

3rd Edition

1087899699, 978-1087899695

More Books

Students also viewed these Databases questions

Question

What is conservative approach ?

Answered: 1 week ago

Question

What are the basic financial decisions ?

Answered: 1 week ago