1. I had a hard time understanding DES in class last time, and reading about it again confused me still. I was the most confused with the Output Feedback, just reading it and looking at the diagram made me super confused. We should definitely go over it in class. We could go over the Counter and Cipher Feedback as well, but those two weren't quite as hard to understand.
2. I liked reading about how the RSA held a couple contests to break a DES cipher. I actually was really surprised that the first time it only took 5 months! I was honestly expecting at least a year. But it was even more surprising to see that the second contest a year later only took about 40 days! That's such a big difference in so little time. It really does show that the DES cipher is pretty dated with new technology coming out. I'm excited to see if there is anything even more hard(and confusing) to crack.
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