Direct access test scheme for IP core protection
Resource
Advanced System Integrated Circuits 2004. Proceedings of 2004 IEEE Asia-Pacific Conference on
Journal
2004 IEEE Asia-Pacific Conference on Advanced System Integrated Circuits
Pages
262-265
Date Issued
2004-08
Date
2004-08
Author(s)
DOI
N/A
Abstract
In this paper, we propose a novel direct access test scheme for intellectual property (IP) protection. The principles of new watermarking IP protection procedures depend on current IP-based design flow. The core concept is embedding a watermark generator and a test circuit into the IP core at the behavior design level. This method adopts the direct access test scheme. The ownership right is proven during the direct access test process. The watermark does not need to be designed case-by-case according to different IPs. On real designs, our approaches have low hardware overhead, tracking cost, processing time cost, and probability of coincidence. This scheme can protect the soft IP core at various design levels. It is still easy to detect the ownership rights of the IP provider after the chip has been manufactured and packaged Experimental results have demonstrated that the proposed direct access test scheme-based watermarking approaches are indeed practical. The IP provider will be able to trace a company that has engaged in the unauthorized reselling of copies of the IP.
Type
conference paper
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