
Any change to the message will result in a completely different hash being generated. The message can be the contents of an email or any sort of digital content. It takes a single input - a message - and produces a message digest, often called a hash. However, let's start by looking at a simple message digest algorithm. (HMAC)? Could you provide an example of an instance where one is a better option than the other?Īs we’ll discuss, the biggest difference between MAC and HMAC involves how each hashes its encrypted messages.
