Answered: How many different Vignere keys of…

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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1. How many different Vignere keys of length 4 are there for coding the English alphabet? The last string must be of size 2 to get to 26.

Expert Solution

Vigenere Keys

The encryption of alphabetical text is done via the method of Vigenere Cipher
Poly alphabetic replacement method is utilized for this purpose and it basically a code dependent on substitution which is utilizing different replacement letters in order .
The encryption of the content is finished utilizing the Vigenère table.
- The table comprises of the letter sets worked out multiple times in various columns, every letters in order are moved consistently to one side contrasted with the previous set of letters, comparing to the 26 potential Caesar Ciphers.
- At various points in the encryption cycle, the code utilizes an alternate letter set from one of the lines.
- The letters in order are utilized at each point and relies upon a repeating word.

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