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Unformatted text preview: rmal academic disciplines: the need for the proper interaction of cryptography and cryptanalysis. This arises out of the fact that in the absence of real communications requirements, it is easy to propose a system that appears unbreakable. Many academic designs are so complex that the would–be cryptanalyst doesn’t know where to start; exposing flaws in these designs is far harder than designing them in the first place. The result is that the competitive process, which is one strong motivation in academic research, cannot take hold. When Martin Hellman and I proposed public–key cryptography in 1975 , one of the indirect aspects of our contribution was to introduce a problem that does not even appear easy to solve. Now an aspiring cryptosystem designer could produce something that would be recognized as clever—something that did more than just turn meaningful text into nonsense. The result has been a spectacular increase in the number of people working in cryptography, the number of meetings held, and the number of books and papers published. In my acceptance speech for the Donald E. Fink award—given for the best expository paper to appear in an IEEE journal—which I received jointly with Hellman in 1980, I told the audience that in writing “Privacy and Authentication,” I had an experience that I suspected was rare even among the prominent scholars who populate the IEEE awards ceremony: I had written the paper I had wanted to study, but could not find, when I first became seriously interested in cryptography. Had I been able to go to the Stanford bookstore and pick up a modern cryptography text, I would probably have learned about the field years earlier. But the only things available in the fall of 1972 were a few classic papers and some obscure technical reports. The contemporary researcher has no such problem. The problem now is choosing where to start among the thousands of papers and dozens of books. The contemporary researcher, yes, but what about the contemporary programmer or engineer who merely wants to use cryptography? Where does that person turn? Until now, it has been necessary to spend long hours hunting out and then studying the...
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This note was uploaded on 10/18/2010 for the course MATH CS 301 taught by Professor Aliulger during the Fall '10 term at Koç University.
- Fall '10