History-Free Aggregate Message Authentication Codes

  title={History-Free Aggregate Message Authentication Codes},
  author={Oliver Eikemeier and Marc Fischlin and Jens-Fabian G{\"o}tzmann and Anja Lehmann and Dominique Schr{\"o}der and Peter Schr{\"o}der and Daniel Wagner},
Aggregate message authentication codes, as introduced by Katz and Lindell (CTRSA 2008), combine several MACs into a single value, which has roughly the same size as an ordinary MAC. These schemes reduce the communication overhead significantly and are therefore a promising approach to achieve authenticated communication in mobile ad-hoc networks, where communication is prohibitively expensive. Here we revisit the unforgeability notion for aggregate MACs and discuss that the definition does not… CONTINUE READING


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