Understanding MAC and HMAC: Secure Message Authentication Explained 🔐

In this video we explore the concepts of MACs. We first explore why Hashing alone is not enough, which leads us into the definition of a MAC. Then we define the most commonly used MAC... the HMAC. // CHAPTERS // 0:00 - Message Authentication Codes 0:38 - Hashing isn't enough for Integrity 2:04 - Hashing vs Encryption (two different problems) 2:37 - MAC Simply Explained 3:58 - MACs vs HMACs 5:38 - MAC Algorithms 5:57 - MACs can be included with Encryption in AEAD Ciphers 6:16 - Full Crypto Essentials series: pracnet.net/ce // FULL SERIES - Cryptography Essentials // This video is part of a 16-part series covering the essentials of modern Cryptography. Explained simply, and technically accurate. The full series is available here: 📋 https://www.youtube.com/playlist?list=PLIFyRwBY_4bQvq5PuJASilkHSVGLZtceZ (or use this shortcut: pracnet.net/ce) 00 Series Introduction 01 Hashing 02 Keys / Secret Keys 03 Symmetric Cryptography 04 Encryption 05 MAC / HMAC 06 Pseudo Random Function 07 Asymmetric Cryptography 08 Asymmetric Encryption (RSA) 09 Signatures 10 RSA Signatures 11 DSA Signatures 12 Key Exchanges 13 RSA Key Exchanges 14 DH Key Exchanges 15 Elliptic Curve Cryptography // SUPPORT PRACTICAL NETWORKING // If this content benefited you, then here are TOTALLY FREE ways to show your appreciation: - 👍 Like to help this video reach more viewers - 💬 Comment to boost the channel's visibility - 🔔 Subscribe to help me attract sponsors (this is the number they care about)