Chapter 15. Authentication


Car locks are there to keep the honest people honest.

 --Something my brother Robert once told me. (He sells cars.)

Now for the big one...

If you are familiar with authentication schemes, then this section should be comfortable for you. If not, then perhaps it’s time for a fresh pot of tea. Some people find their first experience with the innards of password security to be a bit intimidating, possibly because the encryption formulae are sometimes made to look a lot like mathematics. Authentication itself isn’t really that complex, though. The basic idea is that the would-be users need to prove that they are who they say they are in order to get what they want. The proof is usually in the form of something private or secret ...

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