Secure Implementation of the Stern Authentication and Signature Schemes for Low-Resource Devices

  • Authors:
  • Pierre-Louis Cayrel;Philippe Gaborit;Emmanuel Prouff

  • Affiliations:
  • XLIM-DMI, Université de Limoges, Limoges Cedex, France 87060;XLIM-DMI, Université de Limoges, Limoges Cedex, France 87060;Oberthur Technologies, Nanterre Cedex, France 92726

  • Venue:
  • CARDIS '08 Proceedings of the 8th IFIP WG 8.8/11.2 international conference on Smart Card Research and Advanced Applications
  • Year:
  • 2008

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Abstract

In this paper we describe the first implementation on smartcard of the code-based authentication protocol proposed by Stern at Crypto'93 and we give a securization of the scheme against side channel attacks. On the whole, this provides a secure implementation of a very practical authentication (and possibly signature) scheme which is mostly attractive for light-weight cryptography.