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Telecommunication systems -- Security measures

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View Resource Chaffing and Winnowing: Confidentiality without Encryption

This paper, provided by Ronald L. Rivest, professor of Electrical Engineering and Computer Science at the Massachusetts Institute of Technology, proposes a new method of computer message security. The method is called "chaffing and winnowing." Messages are broken up into packets and each packet is appended with a "message authentication code" (MAC). Then "chaff," fake packets with fake MACs, is...

http://people.csail.mit.edu/rivest/Chaffing.txt