1. Cryptography Secrecy Ciphers Secret Key Cryptography Key Exchange Public Key Cryptography Digital Signatures Internet applications What does it say? 2. Secrecy Scenario:Alice…
Slide 1 Week 2 - Friday Slide 2 What did we talk about last time? Substitution ciphers Vigenère ciphers One-time pad Slide 3 Slide 4 Slide 5 Michael Franzese…
Introduction to Programming Stream ciphers Pseudorandom Generators Online Cryptography Course Dan Boneh Dan Boneh 1 Review Cipher over (K,M,C): a pair of “efficient”…
15: Network Security Basics Last Modified: * Importance of Network Security? Think about… The most private, embarrassing or valuable piece of information you’ve ever…
Introduction to Programming Stream ciphers Pseudorandom Generators Online Cryptography Course Dan Boneh Dan Boneh 1 Review Cipher over (K,M,C): a pair of “efficient”…
CS121 CS363 Week 3 - Friday Last time What did we talk about last time? Modular arithmetic Shift ciphers Transposition ciphers Substitution ciphers Vigenère ciphers One-time…
Motivation Data confidentiality in network always a problem Many security components inadequate RSA backdoor Rivest: A math error in chip can lead to easy crypto break-in…