A Strong Proxy Signature Scheme with Proxy Signer Privacy Protection

  • Authors:
  • K. Shum;Victor K. Wei

  • Affiliations:
  • -;-

  • Venue:
  • WETICE '02 Proceedings of the 11th IEEE International Workshops on Enabling Technologies: nfrastructure for Collaborative Enterprises
  • Year:
  • 2002

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Abstract

Mambo, et al. [3] discussed the delegation of signature power to a proxy signer. Lee, et al. [5]constructed a strong non-designated proxy signature scheme in which the proxy signer had strong non-repudiation. In this paper, we present an enhancement to their scheme such that the identity of the proxy signer is hidden behind an alias. The identity can be revealed only by the alias authority. We also discuss other applications of this technique.