Oblivious Transfer based on Key Exchange

Details Oblivious Transfer based on Key Exchange Oblivious Transfer based on Key Exchange

2007-05-02

arxiv.org/abs/0705.0178v1

Cryptologia, Volume 32, Issue 1 January 2008, pages 37 - 44

Computer Science

Cryptography and Security

10 pages

Scientific paper

10.1080/01611190701593228

Key-exchange protocols have been overlooked as a possible means for implementing oblivious transfer (OT). In this paper we present a protocol for mutual exchange of secrets, 1-out-of-2 OT and coin flipping similar to Diffie-Hellman protocol using the idea of obliviously exchanging encryption keys. Since, Diffie-Hellman scheme is widely used, our protocol may provide a useful alternative to the conventional methods for implementation of oblivious transfer and a useful primitive in building larger cryptographic schemes.

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