Rail-fence cipher is a transposition cipher technique which means that in this technique, then characters in the plain text are not substituted but they are jumbled up amongst each other in a particular way to get the cipher text.
This technique is simple and easy to crack, hence used along with some other cipher technique.
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:
1. Confidentiality
2. Authentication
3. Integrity
4. Non-repudiation
5. Access Control
6. 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.
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