Towards Wireless Security Without Computational Assumptions

Wireless security has been an active research area since the last decade. A lot of studies of wireless security use cryptographic tools, but traditional cryptographic tools are normally based on computational assumptions, which may turn out to be invalid in the future. Consequently, it is very desirable to build cryptographic tools that do not rely on computational assumptions. In this paper, the authors focus on a crucial cryptographic tool, namely 1-out-of-2 oblivious transfer. This tool plays a central role in cryptography because they can build a cryptographic protocol for any polynomial-time computable function using this tool. They present a novel 1-out-of-2 oblivious transfer protocol based on wireless channel characteristics, which does not rely on any computational assumption.

Provided by: University of Science and Technology of China Topic: Mobility Date Added: Jul 2010 Format: PDF

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