Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/90495
Title: Intellectual property authentication by watermarking scan chain in design-for-testability flow
Authors: Cui, Aijiao
Chang, Chip Hong
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Computer hardware, software and systems
Issue Date: 2008
Source: Cui, A., & Chang, C. H. (2008). Intellectual property authentication by watermarking scan chain in design-for-testability flow. Proceedings of 2008 IEEE International Symposium on Circuits and Systems (pp. 2645-2648), Seattle,WA,USA.
Abstract: This paper proposes an intellectual property (IP) protection scheme at the Design-for-Testability (DfT) stage of VLSI design flow. Additional constraints generated by the owner’s digital signature have been imposed on the NP-hard problem of ordering the scan cells to achieve a watermarked solution which minimizes the penalty on power and cost of testing. As only the order of the scan cells is varied, the number of test vectors for the desired fault coverage is not affected. The advantage of this scheme is the ownership legitimacy can be publicly authenticated on-site by IP buyers after the chip has been packaged by loading a specific verification code into the scan chain. We propose to integrate the scan chain watermarking with dynamic watermarking of the IP core to make the design hard-to-attack while the ownership is easy-totrace. The proposed scheme is applied to an optimization instance of scan cell ordering targeting at test power reduction. The results on several MCNC benchmarks show that the watermarking scheme has a very low probability of solution coincidence and hence provides strong proof of authorship.
URI: https://hdl.handle.net/10356/90495
http://hdl.handle.net/10220/6320
DOI: 10.1109/ISCAS.2008.4542000
Rights: © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. http://www.ieee.org/portal/site This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Conference Papers

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