Public-Key Encryption from Different Assumptions Benny Applebaum Boaz Barak Avi Wigderson.
ECE454/CS594 Computer and Network Security Dr. Jinyuan (Stella) Sun Dept. of Electrical Engineering and Computer Science University of Tennessee Fall 2011.
1 Kerberos Anita Jones November, 2006. 2 Kerberos * : Objective Assumed environment Assumed environment –Open distributed environment –Wireless and Ethernetted.
NS-H0503-02/11041 IP Security. NS-H0503-02/11042 TCP/IP Example.
Chapter 11 Cryptographic Hash Functions. “Each of the messages, like each one he had ever read of Stern's commands, began with a number and ended with.
Understanding Networked Applications: A First Course Chapter 14 by David G. Messerschmitt.
Cryptography Introduction Last Updated: Aug 20, 2013.
Topics in Cryptography Lecture 7 Topic: Side Channels Lecturer: Moni Naor.
Foundations of Cryptography Lecture 12 Lecturer: Moni Naor.
Classical Cryptography. What is cryptography? kryptos – “hidden” grafo – “write” Keeping messages secret Usually by making the message unintelligible.
802.11 security Courtesy of William Arbaugh with Univ. of Maryland Jesse Walker with Intel Gunter Schafer with TU Berlin Bernard Aboba with Microsoft.
Operating Systems Unit 11: – Security Operating Systems.
