Cryptology ePrint Archive: Report 2005/362

On a (Flawed) Proposal to Build More Pairing-Friendly Curves

Michael Scott and Paulo S. L. M. Barreto

Abstract: In a recent letter, Cui, Duan and Chan propose a generalisation of the Scott-Barreto method to build a larger family of MNT curves, and they claim that their proposal is also applicable to other curve construction methods. Here we show that the Cui-Duan-Chan technique is irrecoverably flawed.

Category / Keywords: public-key cryptography / pairing-based cryptography, elliptic curves

Date: received 7 Oct 2005

Contact author: pbarreto at larc usp br

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Version: 20051009:095008 (All versions of this report)

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