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HMAC Basics

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What is a HMAC and what is its purpose?

A HMAC is a keyed-hash message authentication code that uses an additional secret key as input to the hash function. Its purpose is to provide origin authentication and integrity assurance.

Why is it important to use a secret key in HMAC?

Using a secret key in HMAC adds an extra layer of security by ensuring that only the intended parties who possess the secret key can verify the authenticity and integrity of the message.

What does HMAC provide in terms of security?

HMAC provides origin authentication and integrity assurance, which helps ensure that messages are not tampered with and can be trusted to come from the expected source.

What are some examples of symmetric encryption algorithms?

Data Encryption Standard (DES), 3DES, and Advanced Encryption Standard (AES) Signup and view all the answers

What is the premise of symmetric encryption algorithms?

Each communicating party knowing the pre-shared key Signup and view all the answers

What are some examples of asymmetric encryption algorithms?

Rivest, Shamir, and Adleman (RSA) and the public key infrastructure (PKI) Signup and view all the answers