SSL Complete Guide 2021: HTTP to HTTPS - SHA Hashing Algorithm and HMAC Overview

The video tutorial covers various hash algorithms, including SHA-1, SHA-256, and SHA-512, explaining their hash lengths and usage. It demonstrates how to generate hashes using command line on a Mac and online tools. The tutorial also introduces the HMAC algorithm, highlighting its use of a secret key for added security and authentication.

What are the different hash types that can be generated online as mentioned in the text?

What is the significance of the secret key in the HMAC process?

How does the HMAC algorithm enhance security?