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A public-key watermarking technique for IP designs

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3 Author(s)
Abdel-Hamid, A.T. ; Dept. of Electr. & Comput. Eng., Concordia Univ., Montreal, Que., Canada ; Tahar, S. ; Aboulhamid, E.M.

Sharing IP blocks in today's competitive market poses significant high security risks. Creators and owners of IP designs want assurances that their content will not be illegally redistributed by consumers, and consumers want assurances that the content they buy is legitimate. Recently, digital watermarking emerged as a candidate solution for copyright protection of IP blocks. In this paper, we propose a new approach for watermarking IP designs based on the embedding of the ownership proof as part of the IP design's finite state machine (FSM). The approach utilizes coinciding as well as unused transitions in the state transition graph of the design. Our approach increases the robustness of the watermark and allows a secure implementation, hence enabling the development of the first public-key IP watermarking scheme at the FSM level. We also define for our approach, and use experimental measures to prove its robustness.

Published in:

Design, Automation and Test in Europe, 2005. Proceedings

Date of Conference:

7-11 March 2005