HMAC & Message Authentication Codes (MACs) - Why Hashing alone is NOT ENOUGH for data integrity
This is one of the many videos in the mini-series of HTTPS
• HTTPS 101
Read it as article from:
/ hmac-message-authentication-codes-why-hash...
https://dev.to/jaypmedia/hmac-message...
Any developer should understand the importance of TLS, and understanding Message Authentication Codes is a critical prerequisite.
Understand in this video why hashing alone won't do it for integrity, and learn why HMAC is used in TLS
0:00 Introduction
0:40 Bit Flipping Attack
1:14 Hashing
1:55 The problem with Hashing
2:19 What is HMAC
3:25 MAC algorithms
3:51 HMAC in TLS
4:07 HMAC is flexible
4:17 HMAC is standardized
4:32 Security of HMAC
5:25 Why HMAC modifies key internally
5:55 THE END