Monday, October 25, 2010

6.5-6.7, 7.1, due on October 27

1. Treaty verification was a little bit hard to understand. The sentence which says
"...but then x would probably not be a meaningful message, so A would realize that something had been changed" was confusing to me. I guess I don't understand how this is a reverse RSA like the text says. Also, section 6.7 used the word "non-repudiation" a couple of times. What does this mean?

2. I hadn't really thought about the possibility of more public key systems. Reading about this makes me curious as to what other kinds of one-way functions exist and are used in cryptography. It was also cool that the RSA challenge was completed in such a relatively short time. This reminds me of when I was trying to figure out number 10 of last week's homework.

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