1. CMSC 426/626 Notes Krishna M. Sivalingam UMBC [email_address] 2. Based on: Cryptography and Network Security Third Edition by William Stallings Lecture slides by Lawrie…

1. Cryptography and Network Security Chapter 15 Fifth Edition by William Stallings Lecture slides by Lawrie Brown 2. Chapter 15 – User Authentication We cannot enter into…

1. Network Security Classical Encryption Techniques 2. 2 Outline • Introduction • Symmetric Cipher Model • Substitution Techniques • Transposition Techniques •…

1. INTRODUCTION • Communication is very important to transfer information to other party through machines and face to face. • Communication is very important whether…

1. FTT 30462 / JED 30101 Introduction to Broadcast Journalism Gary Sieber 2. Introduction What is “News”? 3. Introduction What is “News”? Dictionary says: 1) New…

1. Clear Communication 2.   3. No one wouldcommunicatemuch in society if theyknewhow often theymisunderstoodothers. 4. Yesterday’s Communication 5. Yesterday’s Communication…

1. Energise Involve Enable 2. Clear View• Soft Skills Are:Skills, abilities and traits thatpertain to personality,attitude, and behavior• Soft Skills Are Not:Formal or…

1. Wi-Fi 2. CONTENTS Introduction History What is Wi-Fi How Wi-Fi works Wi-Fi Standards Topologies Security Advantages Disadvantages Application…

Slide 1The Diffie-Hellman Algorithm Slide 2 Overview Introduction Implementation Example Applications Conclusion Slide 3 Introduction Discovered by Whitfield Diffie and Martin…

Slide 1Cryptography and Network Security Chapter 6 Block Cipher Modes of Operation Slide 2 Multiple Encryption & DES clear a replacement for DES was neededclear a replacement…