Table of Contents
Telesystem Lecture 9 Network Management & Security L.O. Strömberg
Today’s Lecture
SECURITY
Terms
Threats
Cryptographic History
1900 B.C. Egyptian Cipher Hieroglyphs
487 B.C. Greek Skytale
50-60 B.C. Caeser’s Cipher
1605 A.D. The Cipher Wheel
1923- The Enigma
The Enigma
Simplified Enigma
We will now code “L”
We code “O”
We code “S”
“BUF” = “LOS”
“AAAAAAAAAA”
Boris Hagelin’s M-209
Lorenz SZ42 and Siemens T52C Geheimschreiber
1943- Colossus, the World’s first electronic computer
Today’s Crypto Equipment
Crypto Systems
Smart Cards
Cryptoanalysis
Historical Intercepts, I Agents in Sweden get new crypto instructions from Moscow
Historical Intercepts, II Stig Wennerström hands over secret information to Moscow in 1942
Modern State-of-the-Art Crypto Analysis
Algorithms
Algorithms
Public-Key Cryptosystem
Public Crypto Key Escrow
Access Control
Privacy
Authentication
Secure E-mail
Secure Transactions
Electronic Trade
EFTs
International Rules
Network Management
Network Management - why do we need it ?
Network Management - Functionality
Network Management Station
VPN - Virtual Private Networks
SNMP v 2 Simple Network Management Protocol
Structure of Management Info
Electronic Mail: SMTP Simple Mail Transfer Protocol
Summary
Recommended Reading
Contact Information
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Author: Dr. L.O. Stromberg
Email: fredrik@it.kth.se
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