防篡改JTAG TAP设计可实现对JTAG寄存器和P1687片上仪表的DRM

2010 IEEE International Symposium on Hardware-Oriented Security and Trust (HOST) Pub Date : 2010-06-13 DOI:10.1109/HST.2010.5513119

C. J. Clark

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引用次数: 61

摘要

本文描述了一种防篡改的JTAG Tap设计，该设计使用SHA256安全哈希和真随机数生成器(TRNG)来创建一个低门开销的基于挑战/响应的访问系统，用于IC测试和片上内部。该系统可用于使能1149.1 TAP指令或可控制对IEEE P1687片上仪器的访问。TAP所有者(IC的制造商)可以使用基于JTAG的DRM(数字版权管理)软件来管理哪些最终用户可以访问TAP或IC的TAP可访问区域。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Anti-tamper JTAG TAP design enables DRM to JTAG registers and P1687 on-chip instruments

This paper describes an anti-tamper JTAG Tap design which uses SHA256 secure hash and a true random number generator (TRNG) to create a low gate overhead challenge/response based access system for IC test and on-chip internals. The system may be used to enable 1149.1 TAP instructions or may control access to an IEEE P1687 on-chip instrument. The TAP owner (manufacturer of the IC) may then use DRM (Digital Rights Management) based JTAG software to manage which end users have access to the TAP or TAP accessible areas of the IC.

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来源期刊

2010 IEEE International Symposium on Hardware-Oriented Security and Trust (HOST)

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