SHARE
SPREAD
HELP

The Tradition of Sharing

Help your friends and juniors by posting answers to the questions that you know. Also post questions that are not available.

To start with, Sr2Jr’s first step is to reduce the expenses related to education. To achieve this goal Sr2Jr organized the textbook’s question and answers. Sr2Jr is community based and need your support to fill the question and answers. The question and answers posted will be available free of cost to all.

Sharing the knowledge gained, is a generous way to change our world for the better. -Sr2Jr

 

#
Authors:
William Stallings
Chapter:
Classical Encryption Techniques
Exercise:
Problems
Question:12 | ISBN:9781292158587 | Edition: 7

Question


3.12

a. How many possible keys does the Playfair cipher have? Ignore the fact that
some keys might produce identical encryption results. Express your answer as an
approximate power of 2.
b. Now take into account the fact that some Playfair keys produce the same encryption results. How many effectively unique keys does the Playfair cipher have?

TextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbook

Sorry the answer is not available at the moment…

If you are able to find the answer, please make sure to post it here. So that your Juniors have smile on their lips and feel happy.

Spread the 'tradition of sharing'.