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Book Chapter

Dynamic Self-Checking Techniques for Improved Tamper Resistance

Book Series	Lecture Notes in Computer Science
Publisher	Springer Berlin / Heidelberg
ISSN	0302-9743 (Print) 1611-3349 (Online)
Volume	Volume 2320/2002
Book	Security and Privacy in Digital Rights Management
DOI	10.1007/3-540-47870-1
Copyright	2002
ISBN	978-3-540-43677-5
DOI	10.1007/3-540-47870-1_9
Pages	77-124
Subject Collection	Computer Science
SpringerLink Date	Tuesday, January 01, 2002

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Dynamic Self-Checking Techniques for Improved Tamper Resistance

Bill Horne⁵, Lesley Matheson⁵, Casey Sheehan⁵ and Robert E. Tarjan⁵

(5)	STAR Lab, InterTrust Technologies, 4751 Partick Henry Dr., Santa Clara, CA, 95054

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.