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——————————————————————————————— PlayFair cipher is a polygram or polygraphic cipher which means it operates on block of characters (2 characters in this case) instead of single characters.
Polygram or Polygraphic ciphers work with block of characters rather than single character itself.
In this video tutorial we will understand the concept, encryption and decryption process of Playfair Cipher.
Playfair Cipher operates on block of 2 characters each during encryption and decryption process.
In this video tutorial we study the basic principles of Network security and also see the concept of Cryptography by understanding a basic example.
Principles of Network Security to be discussed in this video are as follows:
Confidentiality
Authentication
Integrity
Non-repudiation
Access Control
Availability
We will also learn the concept of Cryptography in this tutorial. Here’s the definition of Cryptography:
Cryptography is the art of achieving security by encoding messages to make them non-readable
This video is a continuation of the previous video so make sure you check that video as well so that you get to know some basics of Network security.
Download the FREE Network Security App on Google Playstore for Android – https://play.google.com/store/apps/details?id=com.intelisenze.networksecuritytutorials
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