White Papers

A Dynamic Birthmark for Java

Overview Code theft is a threat for companies that consider code as a core asset. A birthmark can help them to prove code theft by identifying intrinsic properties of a program. Two programs with the same birthmark are likely to share a common origin. Birthmarking works in particular for code that was not protected by tamper-resistant copyright notices that otherwise could prove ownership. This paper proposes a dynamic birthmark for Java that observes how a program uses objects provided by the Java Standard API. Such a birthmark is difficult to foil because it captures the observable semantics of a program. In an evaluation, API Birthmark reliably identified XML parsers and PNG readers before and after obfuscating them with state-of-the-art obfuscation tools.

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Publisher: Association for Computing Machinery
File Format: PDF
Date Published: Jan 3, 2009
Format: White Papers
Topics: Java, XML, Programming Languages

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