A. Steffen, 14.09.2013, 0-Overview.pptx 1 Information Security 2 (InfSi2) Prof. Dr. Andreas Steffen Institute for Internet Technologies and Applications.

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Presentation transcript:

A. Steffen, , 0-Overview.pptx 1 Information Security 2 (InfSi2) Prof. Dr. Andreas Steffen Institute for Internet Technologies and Applications (ITA) Overview

A. Steffen, , 0-Overview.pptx 2 Random Sources Cryptographical Building Blocks Block Ciphers Stream Ciphers Symmetric Key Cryptography AuthenticationConfidentiality Encryption Hash Functions Challenge Response IVs MACs MICs Message Digests Nonces Secret Keys Smart Cards DH RSA Public Key Cryptography Elliptic Curves Digital Signatures Data Integrity Secure Network Protocols and Platforms Non- Repudiation Pseudo Random

A. Steffen, , 0-Overview.pptx 3 Security Protocols for the OSI Stack Application layerPlatform Security, Web Application Security, VoIP Security, SW Security Transport layerTLSNetwork layerIPsecData Link layer[PPTP, L2TP], IEEE 802.1X, IEEE 802.1AE, IEEE i (WPA2) Physical layerQuantum CryptographyCommunication layersSecurity protocols

A. Steffen, , 0-Overview.pptx 4 Overview, Constant Cryptographic Strength, Elliptic Curves Agenda of “InfSi2 – Network & Platform Security” Physical Layer Security (Quantum Crypto, Random Numbers) Link Layer Security (MAC, WLAN, 3G/4G, 802.1X, RADIUS) Network Layer Security (Virtual Private Networks, IPsec) Platform Security (Trusted Platform Module, Attestation) Platform Security (Virtualization, Separation) Network Layer Security (Internet Key Exchange) Network Layer Security (DNSSEC) Session Layer Security (VoIP Security via SRTP, MIKEY) Network Access Control (Firewalls, Intrusion Detection/Prevention) Network Access Control (Trusted Network Connect) Platform Security (Smartcards, Hardware Security Modules) Platform Security Threats (Buffer Overflows, Rootkits) Network Anonymity (Mix Chains, Tor)

A. Steffen, , 0-Overview.pptx 5 Recommended Literature – Network Security William Stallings, Network Security Essentials, Fifth Edition, International Edition, 448 pages, 2013, Pearson Education, Inc., ISBN amazon.de