8.1-8.2 Hash Functions, A Simple Hash Example

• I was pretty confused on why we would want to implement a hash function. Obviously there would be speed advantages to sending less information but I didn't understand why we would cut out information from our message to do this.
• I guess the most interesting part, although I didn't understand why we did it, is that we could send a shorter message and save time. We can also use this for digital signatures, which I'm interested in learning about.