Paper 2006/208 Original: eprint.iacr.org/2006/208 ↗

Private Information Retrieval Using Trusted Hardware

Shuhong Wang
Xuhua Ding
Robert Deng
Feng Bao
Abstract

Many theoretical PIR (Private Information Retrieval) constructions have been proposed in the past years. Though information theoretically secure, most of them are impractical to deploy due to the prohibitively high communication and computation complexity. The recent trend in outsourcing databases fuels the research on practical PIR schemes. In this paper, we propose a new PIR system by making use of trusted hardware. Our system is proven to be information theoretically secure. Furthermore, we derive the computation complexity lower bound for hardware-based PIR schemes and show that our construction meets the lower bounds for both the communication and computation costs, respectively.

Metadata
Available format(s)
PDF
Category
Applications
Publication info
Preprint.
History
2006-06-27: last updated
2006-06-26: published
Short URL
https://ia.cr/2006/208
License
https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2006/208,
      author = {Shuhong Wang and Xuhua Ding and Robert Deng and Feng Bao},
      title = {Private Information Retrieval Using Trusted Hardware},
      howpublished = {Cryptology {ePrint} Archive, Paper 2006/208},
      year = {2006},
      url = {https://eprint.iacr.org/2006/208}
}
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