What do you mean by substitutional ciphers, Computer Networking

Assignment Help:

Q. What do you mean by Substitutional Ciphers?

Substitutional Ciphers

1002_What do you mean by Substitutional Ciphers.png

Monoalphabetic Substitution

1805_What do you mean by Substitutional Ciphers1.png

Polyalphabetic Substitution

- Transpositional - characters retain their plaintext form but change their positions to create ciphertext.

- Text is organized into a two-dimensional table and columns are interchanged according to a key.

- Character frequencies are still preserved, however.


Related Discussions:- What do you mean by substitutional ciphers

List the advantages of arcnet, List the advantages of ARCNet. Here are ...

List the advantages of ARCNet. Here are some of the ARCNet's benefits: 1.  It is extremely reliable. 2. ARCNet is simple to install and troubleshoot. 3. It has an exce

What do you mean by addressing, Q. What do you mean by Addressing? Add...

Q. What do you mean by Addressing? Addressing Require to uniquely and universally identify every device to allow global communication Internet address or IP address is us

State the nyquist theorem, State the Nyquist theorem The Nyquist theore...

State the Nyquist theorem The Nyquist theorem is thermo of mathematics and has nothing to deal with technology. It says that if you have the function whose Fourier spectrum doe

Explain in detail about wireless network, Explain in detail about wireless ...

Explain in detail about wireless network Think about unseen terminal problem. Imagine a wireless network consist of five stations, A through E, such that each one them is in r

Firewall architectures-screening router, Screening Router In this setu...

Screening Router In this setup network router acts as a firewall. It checks all incoming and outgoing packets according to the predefined rules. This filter is placed at the c

Explain pipeline processing, Pipeline Processing Pipelining is a scheme...

Pipeline Processing Pipelining is a scheme to realize, overlapped parallelism in the proposed way out of a problem on a digital computer in an economical way. To understand the

What is the cladding, A layer of a glass surrounding the center fiber of gl...

A layer of a glass surrounding the center fiber of glass under a fiber-optic cable.

When would we use isdn, We use IDSN supports high speed voice, data and vid...

We use IDSN supports high speed voice, data and video and is a good choice for many small businesses.

Explain network services, Explain Network Services Network services are...

Explain Network Services Network services are the thing that a network can do. The main networking services are File Services: This contains file transfer, storage, data m

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd