Provably Secure Implicit Certificate Schemes

  • Authors:
  • Daniel R. L. Brown;Robert P. Gallant;Scott A. Vanstone

  • Affiliations:
  • -;-;-

  • Venue:
  • FC '01 Proceedings of the 5th International Conference on Financial Cryptography
  • Year:
  • 2002

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Abstract

Optimal mail certificates, introduced in [12], are efficient types of implicit certificates which offer many advantages over traditional (explicit) certificates. For example, an optimal mail certificate is small enough to fit on a two-dimensional digital postal mark together with a digital signature. This paper defines a general notion of security for implicit certificates, and proves that optimal mail certificates are secure under this definition.