What is the formula used for decoding the ciphered text using affine cipher(a,b are constants and x is the numerical equivalent of a letter to be encrypted)? 1. (a^-1) (x-b)%26 2. (ax+b)%26 3. (b^-1)(x-a)%26 4. (b^-1)(x-a)

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter8: Data And Network Communication Technology
Section: Chapter Questions
Problem 41VE
icon
Related questions
Question

What is the formula used for decoding the ciphered text using affine cipher(a,b are constants and x is the numerical equivalent of a letter to be encrypted)?

1. (a^-1) (x-b)%26 2. (ax+b)%26 3. (b^-1)(x-a)%26 4. (b^-1)(x-a)

Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Encryption and decryption
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Systems Architecture
Systems Architecture
Computer Science
ISBN:
9781305080195
Author:
Stephen D. Burd
Publisher:
Cengage Learning
Fundamentals of Information Systems
Fundamentals of Information Systems
Computer Science
ISBN:
9781305082168
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
Oracle 12c: SQL
Oracle 12c: SQL
Computer Science
ISBN:
9781305251038
Author:
Joan Casteel
Publisher:
Cengage Learning
Principles of Information Systems (MindTap Course…
Principles of Information Systems (MindTap Course…
Computer Science
ISBN:
9781305971776
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
Principles of Information Security (MindTap Cours…
Principles of Information Security (MindTap Cours…
Computer Science
ISBN:
9781337102063
Author:
Michael E. Whitman, Herbert J. Mattord
Publisher:
Cengage Learning
C++ Programming: From Problem Analysis to Program…
C++ Programming: From Problem Analysis to Program…
Computer Science
ISBN:
9781337102087
Author:
D. S. Malik
Publisher:
Cengage Learning