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Physical implementation of oblivious transfer using optical correlated randomness.

ABSTRACT: We demonstrate physical implementation of information-theoretic secure oblivious transfer based on bounded observability using optical correlated randomness in semiconductor lasers driven by common random light broadcast over optical fibers. We demonstrate that the scheme can achieve one-out-of-two oblivious transfer with effective key generation rate of 110?kb/s. The results show that this scheme is a promising approach to achieve information-theoretic secure oblivious transfer over long distances for future applications of secure computation such as privacy-preserving database mining, auctions and electronic-voting.

SUBMITTER: Ito T

PROVIDER: S-EPMC5559580 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Physical implementation of oblivious transfer using optical correlated randomness.

Ito Tomohiro T Koizumi Hayato H Suzuki Nobumitsu N Kakesu Izumi I Iwakawa Kento K Uchida Atsushi A Koshiba Takeshi T Muramatsu Jun J Yoshimura Kazuyuki K Inubushi Masanobu M Davis Peter P

Scientific reports 20170816 1

We demonstrate physical implementation of information-theoretic secure oblivious transfer based on bounded observability using optical correlated randomness in semiconductor lasers driven by common random light broadcast over optical fibers. We demonstrate that the scheme can achieve one-out-of-two oblivious transfer with effective key generation rate of 110 kb/s. The results show that this scheme is a promising approach to achieve information-theoretic secure oblivious transfer over long distan ...[more]

PMID: 28814719

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Project description:BACKGROUND:Advances such as targeted muscle reinnervation and pattern recognition control may provide improved control of upper limb myoelectric prostheses, but evaluating user function remains challenging. Virtual environments are cost-effective and immersive tools that are increasingly used to provide practice and evaluate prosthesis control, but the relationship between virtual and physical outcomes-i.e., whether practice in a virtual environment translates to improved physical performance-is not understood. METHODS:Nine people with transhumeral amputations who previously had targeted muscle reinnervation surgery were fitted with a myoelectric prosthesis comprising a commercially available elbow, wrist, terminal device, and pattern recognition control system. Virtual and physical outcome measures were obtained before and after a 6-week home trial of the prosthesis. RESULTS:After the home trial, subjects showed statistically significant improvements (p <?0.05) in offline classification error, the virtual Target Achievement Control test, and the physical Southampton Hand Assessment Procedure and Box and Blocks Test. A trend toward improvement was also observed in the physical Clothespin Relocation task and Jebsen-Taylor test; however, these changes were not statistically significant. The median completion time in the virtual test correlated strongly and significantly with the Southampton Hand Assessment Procedure (p =?0.05, R =?-?0.86), Box and Blocks Test (p =?0.007, R =?-?0.82), Jebsen-Taylor Test (p =?0.003, R =?0.87), and the Assessment of Capacity for Myoelectric Control (p =?0.005,R =?-?0.85). The classification error performance only had a significant correlation with the Clothespin Relocation Test (p =?0.018, R =?.76). CONCLUSIONS:In-home practice with a pattern recognition-controlled prosthesis improves functional control, as measured by both virtual and physical outcome measures. However, virtual measures need to be validated and standardized to ensure reliability in a clinical or research setting. TRIAL REGISTRATION:This is a registered clinical trial: NCT03097978 .

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Physical implementation of oblivious transfer using optical correlated randomness.

Publications

Physical implementation of oblivious transfer using optical correlated randomness.

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