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Securing Home Networks

Securing Home Networks. Tsutomu Matsumoto Professor, Yokohama National University. Taxonomy of Home Networks . Network of Audio, Visual, Communication Devices and Personal Computers Network of Facility Control Devices including Sensors for Physical Security

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Securing Home Networks

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  1. Securing Home Networks Tsutomu Matsumoto Professor, Yokohama National University

  2. Taxonomy of Home Networks • Network of Audio, Visual, Communication Devices and Personal Computers • Network of Facility Control Devices including Sensors for Physical Security • Network of Electrical Appliances

  3. Architecture of Concern How to achieve quality of security almost equivalent as that achieved by Wired Network of Appliances Wireless Network of Appliances General Network Security Mechanisms such as Firewalls, etc. Air-Conditioner Refrigerator The Internet Washing Machine etc

  4. Conventional Security Issues • Confidentiality • Integrity • Availability • Use of appropriate Cryptography and Network Security Technologies • Make appropriate Standards to gain Interoperability among multi-vendor appliances

  5. Typical Example Appliance 2 Appliance 1 Appliance 3 F 1 F 3 F 2 C & S 1 C & S 3 C & S 2 Wireless Medium F : Functional Part C & S : Communication and Security Part

  6. The Real Issue for Security • The allowed computational complexity or the cost for mechanisms to enhance security may be highly limited • Often the appliances DO NOT have their Identifiers in digital form • Key Management including Key Establishment, Key Revocation, and Key Renewal needs Innovative Technologies • How to achieve acceptable Quality of Security in such a tough environment

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