Cryptology ePrint Archive: Report 2014/101

Dishonest Majority Multi-Party Computation for Binary Circuits

Enrique Larraia and Emmanuela Orsini and Nigel P. Smart

Abstract: We extend the Tiny-OT two party protocol of Nielsen et al (CRYPTO 2012) to the case of $n$ parties in the dishonest majority setting. This is done by presenting a novel way of transferring pairwise authentications into global authentications. As a by product we obtain a more efficient manner of producing globally authenticated shares, which in turn leads to a more efficient two party protocol than that of Nielsen et al.

Category / Keywords: cryptographic protocols /

Date: received 11 Feb 2014

Contact author: {Enrique LarraiadeVega at bristol ac uk,Emmanuela Orsini@bristol ac uk,nigel@cs bris ac uk

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Version: 20140214:180050 (All versions of this report)

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