Cryptographic Pattern Matching

  • Authors:
  • Christoffer Rosenkilde Nielsen;Flemming Nielson;Hanne Riis Nielson

  • Affiliations:
  • Informatics and Mathematical Modelling, Technical University of Denmark, Richard Petersens Plads, bldg. 321, DK-2800 Kongens Lyngby, Denmark;Informatics and Mathematical Modelling, Technical University of Denmark, Richard Petersens Plads, bldg. 321, DK-2800 Kongens Lyngby, Denmark;Informatics and Mathematical Modelling, Technical University of Denmark, Richard Petersens Plads, bldg. 321, DK-2800 Kongens Lyngby, Denmark

  • Venue:
  • Electronic Notes in Theoretical Computer Science (ENTCS)
  • Year:
  • 2007

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Abstract

We construct a language extension for process calculi for modelling the exchange of cryptographically composed data. More specifically, we devise a succinct syntax for terms and patterns that captures the intention behind perfect cryptography. The proposed language extension is independent of the choice of process calculus and is applicable to any calculus that supports exchange of data. Initially we restrict the model to symmetric cryptography, but we also show how it can be extended with support for asymmetric encryption and digital signatures.