Collberg, ChristianThomborson, C.2009-04-082009-04-082000-02Computer Science Technical Reports 170 (2000)1173-3500http://hdl.handle.net/2292/3504We identify three types of attack on the intellectual property contained in software, and three corresponding technical defences. A potent defense against reverse engineering is obfuscation, a process that renders software unintelligible but still functional. A defense against software piracy is watermarking, a process that makes it possible to determine the origin of software. A defense against tampering is tamper-proofing, so that unauthorized modifications to software (for example to remove a watermark) will result in non-functional code. We briefly survey the available technology for each type of defense.https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htmTechnical ReportFields of Research::280000 Information, Computing and Communication SciencesThe author(s)