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

Framing techniques of datalink layer, java program to implement framing tec...

java program to implement framing techniques of datalink layer

Which layer is known as error detection layer, Data link layeris called as...

Data link layeris called as error detection layer

What is source route and ospf, What is source route and OSPF? Source r...

What is source route and OSPF? Source route It is a series of IP addresses identifying the route a datagram must follow. A source route might optionally be included in an

What is sonet, What is Sonet Synchronous Optical Network is a fiber opt...

What is Sonet Synchronous Optical Network is a fiber optic technology that can transmit high-speed data audio, used for text and video. Single clock handles timing of transm

How many timers does igrp have, How many timers does IGRP has

How many timers does IGRP has

State the security concerns, State the Security concerns The history of...

State the Security concerns The history of security concerns is not new. They have been of great worry to man and for many centuries man has been endeavouring to devise new tec

What is multi-mode fiber, What is Multi-mode fiber Multi-mode fiber use...

What is Multi-mode fiber Multi-mode fiber uses LEDs like the light-generating devices while single-mode fiber generally uses lasers. FDDI specifies the utilization of dual r

What are the drawbacks of wireless devices, What are the drawbacks of wirel...

What are the drawbacks of wireless devices One drawback is security. Every random delivery man who happens to be in building can listen on network. Another weakness is reliabil

Define ike (internet key exchange), Can you define IKE (Internet Key Exchan...

Can you define IKE (Internet Key Exchange)?

Physical configurations sonet sdh , Physical Configurations Transport ...

Physical Configurations Transport signal multiplexer de multiplexer. It either signal from multiple sources into a STS singles or de multiplexes and STS signal into diffe

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages