The hardest part was how DES worked. I understood the SHA-1 section easily since I have coded it before. DES was new. It wasn't that hard to follow. It reminds me a lot of ElGamal encryption in the way that it works.
The coolest part was DES. It was interesting to see how our pair of information doesn't really gives a lot of information about the document, but provides a way to check it very easily.
Monday, November 9, 2009
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