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

How can data to be exchanged between networks, Q. How can data to be exchan...

Q. How can data to be exchanged between Networks? Internetwork Links in an internetwork

What are the advantages and disadvantages of routing table, What are the ad...

What are the advantages and disadvantages of the three types of routing tables? The three types of routing tables are fixed, dynamic, and fixed central. The fixed table must be

Illustrate keep alive and time-waited timer, Q. Illustrate Keep alive and T...

Q. Illustrate Keep alive and Time-Waited Timer? Keep alive timer To prevent a long inactive connection between two TCPs - Either client or server crash

Encryption authentication - point to point , Encryption Authentication ...

Encryption Authentication One common  technique  used to encrypt and authenticate in VPNs is IP security. IP sec  is a collection of protocols designed by the IETF( Internet En

Step to configure the host computers, Configure the Host Computers Ste...

Configure the Host Computers Step 1: Configure host computers. Configure the static IP address, subnet mask, and gateway for every host computer based on the configuration

Programs for implement tools for digital sound, You must write the 6 progra...

You must write the 6 programs described below. All of these are command-line tools that follow the Unix style of passing switches and arguments on the command line. As such, your p

What is workstation, What is workstation? A workstation is a node in ne...

What is workstation? A workstation is a node in network that is more useful and can occur local information processing or graphics processing. A workstation generally has an in

Tools that an attacker can use to crack wep, Question: Consider that yo...

Question: Consider that you have to configure a small WLAN of 8 computers using Wired Equivalent Privacy (WEP) and that you have to best make use of its available security f

What is arcnet, What is ARCNet? The  Attached  Resource Computer Networ...

What is ARCNet? The  Attached  Resource Computer Network (ARCNet) standard was formed in 1977 at the Data Point Corporation by a scientist  -  John Murphy. ARCNet uses the toke

How intranets encourage integration of applications, How Intranets encourag...

How Intranets encourage integration of applications Intranets encourage integration of applications; such as the simple word processing application could be easily linked with

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