Cryptography And Network Security Atul Kahate Ppt =link=

A MAC uses a secret key along with a hash function. It provides both integrity (data hasn't changed) and authentication (sender knows the key). HMAC (Hash-based MAC) is a widely used implementation.

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Before diving into the slides, it is important to understand why the book translates so well into presentations. A MAC uses a secret key along with a hash function

Examples of cryptographic hash functions: For visual aids or ready-made slides based on

’s widely used textbook and related presentation materials covers the fundamental mechanics of securing data in transit and at rest. 1. Introduction to Security Basics

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There are two main types of cryptography: symmetric key cryptography and asymmetric key cryptography. Symmetric key cryptography uses the same secret key for both encryption and decryption, whereas asymmetric key cryptography uses a pair of keys: a public key for encryption and a private key for decryption. Hash functions are another type of cryptography that is used to ensure data integrity.