The Security of a Mix-Center Based on a Semantically Secure Cryptosystem

  • Authors:
  • Douglas Wikström

  • Affiliations:
  • -

  • Venue:
  • INDOCRYPT '02 Proceedings of the Third International Conference on Cryptology: Progress in Cryptology
  • Year:
  • 2002

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Abstract

We introduce a definition of a re-encryption mix-center, and a definition of security for such a mix-center. Then we prove that any semantically secure public key system, which allows re-encryption, can be used to construct a secure mix-center.