Engineering
Engineering, 15.02.2020 00:57, zekrader18

Given a 5x5 matrix for Playfair cipher 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?

answer
Answers: 3

Other questions on the subject: Engineering

image
Engineering, 04.07.2019 18:10, viicborella
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Answers: 1
image
Engineering, 04.07.2019 18:10, aaliyah80
The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false
Answers: 1
image
Engineering, 04.07.2019 18:10, Strick1530
Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
Answers: 2
image
Engineering, 04.07.2019 18:10, genyjoannerubiera
Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)
Answers: 1
Do you know the correct answer?
Given a 5x5 matrix for Playfair cipher a. How many possible keys does the Playfair cipher have? Igno...

Questions in other subjects:

Konu
Mathematics, 18.03.2021 06:30
Konu
Mathematics, 18.03.2021 06:30