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Title: An experimental implementation of oblivious transfer in the noisy storage model
Authors: Erven, C.
Ng, N.
Gigov, N.
Laflamme, R.
Wehner, S. 
Weihs, G.
Issue Date: 3-Dec-2014
Citation: Erven, C., Ng, N., Gigov, N., Laflamme, R., Wehner, S., Weihs, G. (2014-12-03). An experimental implementation of oblivious transfer in the noisy storage model. Nature Communications 5 : -. ScholarBank@NUS Repository.
Abstract: Cryptography's importance in our everyday lives continues to grow in our increasingly digital world. Oblivious transfer has long been a fundamental and important cryptographic primitive, as it is known that general two-party cryptographic tasks can be built from this basic building block. Here we show the experimental implementation of a 1-2 random oblivious transfer protocol by performing measurements on polarization-entangled photon pairs in a modified entangled quantum key distribution system, followed by all of the necessary classical postprocessing including one-way error correction. We successfully exchange a 1,366 bit random oblivious transfer string in ∼3 min and include a full security analysis under the noisy storage model, accounting for all experimental error rates and finite size effects. This demonstrates the feasibility of using today's quantum technologies to implement secure two-party protocols. © 2014 Macmillan Publishers Limited.
Source Title: Nature Communications
ISSN: 20411723
DOI: 10.1038/ncomms4418
Appears in Collections:Staff Publications

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