Fair Comparison and Evaluation of Quantization Schemes for PHY-based Key Generation

Konferenz: OFDM 2014 - 18th International OFDM Workshop 2014 (InOWo'14)
27.08. - 28.08.2014 in Essen, Deutschland

Tagungsband: Proceedings of the 18th International OFDM Workshop 2014 (InOWo’14)

Seiten: 5Sprache: EnglischTyp: PDF

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Guillaume, Rene; Mueller, Andreas (Robert Bosch GmbH, Stuttgart, Germany)
Zenger, Christian T.; Paar, Christof (Horst Goertz Institute for IT-Security, Ruhr-University Bochum, Bochum, Germany)
Czylwik, Andreas (Chair of Communication Systems, University Duisburg-Essen, Duisburg, Germany)

The generation of symmetric cryptographic keys out of wireless channel properties represents a promising approach for the establishment of secured communication links. Despite the tremendous number of different channel-based key generation protocols, there is little research on security evaluation and fair comparison of those systems. We present suitable metrics and a source model for a security evaluation of quantization schemes for physical layer security systems. By analyzing recent key generation techniques, we evaluate performances and security tradeoffs.