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 is the hash length of the SHA-1 algorithm?

• 512 bits

• 160 bits

• 128 bits

• 256 bits

Which command is used to generate a SHA-256 hash on a Mac?

• shasum -a 1

• shasum -a 256

• shasum -a 512

• shasum -a 128

What happens to the hash when the input data is changed?

• The hash remains the same

• The hash becomes reversible

• The hash changes slightly

• The hash changes completely

Which of the following is NOT a hash algorithm mentioned in the video?

• SHA-1

• SHA-256

• MD5

• AES

What is the primary purpose of the HMAC algorithm?

• To reverse a hash

• To encrypt data

• To compress data

• To add a secret key to the hashing process

How does the HMAC algorithm enhance security?

• By using a longer hash

• By using a secret key

• By using a faster algorithm

• By using a reversible process

What is required to generate the same HMAC hash on both sides?

• The same hashing algorithm

• The same secret key

• The same operating system

• The same input data