Hacking Unix 2nd-A4
Email Security
Security and trust in e payment
Ch15
Network Security Protecting An Organizations Network.
POSTECH ITEC559 Su 03 1 ITEC559 Secure Internet Protocols Lecture 11 POSTECH Prof. Jong Kim © 2003 JKIM@POSTECH.
Security: Packet Level Authentication and Pub/Sub Security Solution Dr. Dmitrij Lagutin Helsinki Institute for Information Technology (HIIT) 4.10.2011.
Unit 3(1)
Hashing
(a) Alice and Bob are back together. Today Alice wants to send Bob a message that is secret and also authenticated, so that Bob "knows" the message came.
Email Security 1. email is one of the most widely used and regarded network services currently message contents are not secure may be inspected either.
COMP043-Cryptology Week 4 – Certs and Sigs. Digital Signatures Digital signatures provide –Integrity –Authenticity and –Non-repudiation How do they work?