Unformatted text preview: research literature before being able to design the sort of cryptographic utilities glibly described in popular articles. This is the gap that Bruce Schneier’s Applied Cryptography has come to fill. Beginning with the objectives of communication security and elementary examples of programs used to achieve these objectives, Schneier gives us a panoramic view of the fruits of 20 years of public research. The title says it all; from the mundane objective of having a secure conversation the very first time you call someone to the possibilities of digital money and cryptographically secure elections, this is where you’ll find it. Not satisfied that the book was about the real world merely because it went all the way down to the code, Schneier has included an account of the world in which cryptography is developed and applied, and discusses entities ranging from the International Association for Cryptologic Research to the NSA. When public interest in cryptography was just emerging in the late seventies and early eighties, the National Security Agency (NSA), America’s official cryptographic organ, made several attempts to quash it. The first was a letter from a long–time NSA employee allegedly, avowedly, and apparently acting on his own. The letter was sent to the IEEE and warned that the publication of cryptographic material was a violation of the International Traffic in Arms Regulations (ITAR). This viewpoint turned out not even to be supported by the regulations themselves—which contained an explicit exemption for published material—but gave both the public practice of cryptography and the 1977 Information Theory Workshop lots of unexpected publicity. A more serious attempt occurred in 1980, when the NSA funded the American Council on Education to examine the issue with a view to persuading Congress to give it legal control of publications in the field of cryptography. The results fell far short of NSA’s ambitions and resulted in a program of voluntary review of cryptographic papers; researc...
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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