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Information Security of Embedded Systems 9.1.2010: Design of Secure Systems Prof. Dr. Holger Schlingloff Institut für Informatik und Fraunhofer FIRST.

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Presentation on theme: "Information Security of Embedded Systems 9.1.2010: Design of Secure Systems Prof. Dr. Holger Schlingloff Institut für Informatik und Fraunhofer FIRST."— Presentation transcript:

1 Information Security of Embedded Systems : Design of Secure Systems Prof. Dr. Holger Schlingloff Institut für Informatik und Fraunhofer FIRST

2 Embedded Security © Prof. Dr. H. Schlingloff Structure 1. Introductory example 2. Embedded systems engineering 1.definitions and terms 2.design principles 3. Foundations of security 1.threats, attacks, measures 2.construction of safe systems 4. Design of secure systems 1.design challenges 2.safety modelling and assessment 3.cryptographic algorithms 5. Communication of embedded systems 1.remote access 2.sensor networks 6. Algorithms and measures 1.digital signatures 2.key management 3.authentification 4.authorization 7. Formal methods for security 1.protocol verification 2.logics and proof methods

3 Embedded Security © Prof. Dr. H. Schlingloff Recap –Security Assessment Common Criteria general model catalogue of recommendations: threats, goals, requirements guideline on evaluation methodology and process (EAL)

4 Embedded Security © Prof. Dr. H. Schlingloff Cryptology

5 Embedded Security © Prof. Dr. H. Schlingloff Cryptosystems

6 Embedded Security © Prof. Dr. H. Schlingloff 20106

7 Embedded Security © Prof. Dr. H. Schlingloff Stream Cyphers and Block Cyphers

8 Embedded Security © Prof. Dr. H. Schlingloff Cryptanalysis

9 Embedded Security © Prof. Dr. H. Schlingloff Attack Models

10 Embedded Security © Prof. Dr. H. Schlingloff Cypher Classification

11 Embedded Security © Prof. Dr. H. Schlingloff

12 Embedded Security © Prof. Dr. H. Schlingloff

13 Embedded Security © Prof. Dr. H. Schlingloff

14 Embedded Security © Prof. Dr. H. Schlingloff DES, Data Encryption Standard

15 Embedded Security © Prof. Dr. H. Schlingloff

16 Embedded Security © Prof. Dr. H. Schlingloff AES, Advanced Encryption Standard

17 Embedded Security © Prof. Dr. H. Schlingloff AES rounds

18 Embedded Security © Prof. Dr. H. Schlingloff

19 Embedded Security © Prof. Dr. H. Schlingloff Implementations

20 Embedded Security © Prof. Dr. H. Schlingloff Evaluating Block Cyphers


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