Intersection of the row and column

Assignment Help Computer Engineering

Reference no: EM13972142

Consider a secret-key cipher that has a 26 ´ 26 matrix with the columns headed by ABC ... Z and the rows also named ABC ... Z. Plaintext is encrypted two characters at a time. The first character is the column; the second is the row. The cell formed by the intersection of the row and column contains two ciphertext characters. What constraint must the matrix adhere to and how many keys are there?

Reference no: EM13972142

Questions Cloud

Indicate each account affected whether the account is : How is the adjustment recorded. Indicate each account affected, whether the account is increased or decreased, and the amount of the increase or decrease. If the adjustment in (a) was omitted, which items would be erroneously stated on (1) the income..

What is the expected rate of return on this stock : Rambo Enterprises, Inc. stock has a beta of 1.12. The risk-free rate of return is 2.46 percent and the market risk premium is 5.26 percent. What is the expected rate of return on this stock?

What is height h of rocket when engine is turned off at time : A weather rocket of mass m is launched vertically up from a horizontal platform. The rocket engine burned for a short time T with a time dependent thrust F(t)=bt^2, where b is a constant and t is the time. Assuming air friction is negligible, What..

Discuss what a prepared organization is to kaufman. : Discuss what a prepared organization is to Kaufman. Do you believe this is what it will take to effectively deal with the health care bubble? What are some suggestions that you have based upon this article and your own research?

Intersection of the row and column : The cell formed by the intersection of the row and column contains two ciphertext characters. What constraint must the matrix adhere to and how many keys are there?

What qualities do you feel essential to effective governor : What qualities do you feel are essential to an effective governor? Explain why you feel they are essential. Use facts not opinions to support your claim.

Define the term statement of cash flows : Define the term "Statement of Cash Flows." Explain why and how the statement of cash flows is important information you would need to run a business? In your opinion, do the three three main sections of the statement of cash flows also apply to you a..

What company does to show their social responsibility : Describe any additional ways the company may continue their social responsibility

The project will not produce any cash flows : Smith Inc. is considering a project with an initial cost of $1.07 million. The project will not produce any cash flows for the first two years. Starting in year 3, the project will produce cash inflows of $667,000 a year for 6 years. This project is ..

User Account

All Pages