Dynamic Self-Checking Techniques for Improved Tamper Resistance

  • Authors:
  • Bill Horne;Lesley R. Matheson;Casey Sheehan;Robert Endre Tarjan

  • Affiliations:
  • -;-;-;-

  • Venue:
  • DRM '01 Revised Papers from the ACM CCS-8 Workshop on Security and Privacy in Digital Rights Management
  • Year:
  • 2001

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Abstract

We describe a software self-checking mechanism designed to improve the tamper resistance of large programs. The mechanism consists of a number of testers that redundantly test for changes in the executable code as it is running and report modifications. The mechanism is built to be compatible with copy-specific static watermarking and other tamper-resistance techniques. The mechanism includes several innovations to make it stealthy and more robust.