On the implementation of a pairing-based cryptographic protocol in a constrained device

  • Authors:
  • Sébastien Canard;Nicolas Desmoulins;Julien Devigne;Jacques Traoré

  • Affiliations:
  • Orange Labs, Applied Crypto Group, Caen, France;Orange Labs, Applied Crypto Group, Caen, France;Orange Labs, Applied Crypto Group, Caen, France,UCBN, GREYC, Caen, France;Orange Labs, Applied Crypto Group, Caen, France

  • Venue:
  • Pairing'12 Proceedings of the 5th international conference on Pairing-Based Cryptography
  • Year:
  • 2012

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Abstract

In this paper, we consider a pairing-based cryptographic protocol and the way to implement it on a restricted device such as a mobile phone or a smart card. Our aim is to show the different ways to do it, regarding (i) the capacity for the restricted device to implement a bilinear pairing and/or (ii) the performance regarding the implemented bilinear pairing. We show that there are different possibilities and study the security and efficiency of each of them. To illustrate our purpose, we make use of the Boneh-Boyen-Shacham group signature, which needs one on-line pairing computation.