A new MAC construction alred and a specific instance ALPHA-MAC

  • Authors:
  • Joan Daemen;Vincent Rijmen

  • Affiliations:
  • STMicroelectronics, Belgium;IAIK, Graz University of Technology

  • Venue:
  • FSE'05 Proceedings of the 12th international conference on Fast Software Encryption
  • Year:
  • 2005

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Abstract

We present a new way to construct a MAC function based on a block cipher. We apply this construction to AES resulting in a MAC function that is a factor 2.5 more efficient than CBC-MAC with AES, while providing a comparable claimed security level.