Restricted message signing

  • Authors:

  • Toshihiko Matsuo

  • Affiliations:

  • NTT DATA CORPORATION, Shinkawa, Chuo-ku, Tokyo, Japan

  • Venue:
  • ASIACCS '06 Proceedings of the 2006 ACM Symposium on Information, computer and communications security
  • Year:
  • 2006

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Abstract

In this paper, we present a new variant of digital signature scheme, restricted message signing. This signature scheme restricts a signer such that he or she can sign any message except for ones in the specific message set. We expect it to be a useful primitive for various cryptographic applications. We propose the first construction of the restricted message signing and prove it secure in the random oracle model.