I think that it is cool that PKC can be extended just a little more to provide digital signatures and verifications. I guess I never thought of using d to encrypt and e to decrypt, but of course it works exactly the same.
I am also very interested in learning about discrete logs. I don't exactly understand how they are used yet, or why it is hard to do them in reverse. I suppose, though, that we will be spending plenty of time on them in the future.
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