Verifying Integrity of Decision Diagrams

  • Authors:
  • Rolf Drechsler

  • Affiliations:
  • -

  • Venue:
  • SAFECOMP '98 Proceedings of the 17th International Conference on Computer Safety, Reliability and Security
  • Year:
  • 1998

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Abstract

Decision Diagrams (DDs) are the state-of-the-art data structure in CAD of integrated circuits. They are used in many safety critical applications, like verification. In this paper security aspects of implementation techniques of DDs are discussed. A recursive checksum technique is presented for on-line and off-line checks. These methods are used to verify the integrity of DDs. The correctness of the data structures can be verified by (nearly) no overhead. Experimental results are presented to demonstrate the efficiency of this approach.