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Fault-Channel Watermarks

  • We introduce a new approach for securing intellectual property in embedded software implementations by using the response of an implementation to fault injections. In our approach, the implementation serves as its own watermark that is recorded through its fault effects. There is no additional code for the watermark. A simulator that maps the fault injections to the executed instructions aids an automated characterization of program code. We provide a proof-of-concept implementation of our watermarking approach using an 8-bit ATMega163 microcontroller and several assembly implementations of AES encryption. The results show that our method is well-suited for detection of identical software copies. In addition, our method shows robust performance in detection of software copies with a large number of added dummy instructions.

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Document Type:Conference Object
Author:Peter Samarin, Alexander Skripnik, Kerstin Lemke-Rust
Parent Title (English):Foresti, Lopez (Eds.): Information Security Theory and Practice. 10th IFIP WG 11.2 International Conference, WISTP 2016, Heraklion, Crete, Greece, September 26-27, 2016, Proceedings. Lecture Notes in Computer Science, Vol. 9898
First Page:204
Last Page:219
Date of first publication:2016/09/17
Tag:Embedded software; Fault analysis; Fault-channel watermarks; IP protection; Watermarking
Departments, institutes and facilities:Fachbereich Informatik
Dewey Decimal Classification (DDC):0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
Entry in this database:2016/10/24