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Journal of Electronic Testing

, Volume 22, Issue 3, pp 301–303 | Cite as

Security Extension for IEEE Std 1149.1

  • Franc Novak
  • Anton Biasizzo
Article

Abstract

A security extension for IEEE Std 1149.1 is proposed. It provides a locking mechanism which prevents unauthorised users to interfere via test bus with the system normal operation. The security extension requires small hardware overhead and allows full conformance with IEEE Std 1149.1.

Keywords

test boundary-scan security 

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References

  1. 1.
    “IEEE Standard for In-System Configuration of Programmable Devices”, IEEE Std 1532-2002, Institute of Electrical and Electronics Engineers, ISBN: 0738135070, 01-Dec, 2002.Google Scholar
  2. 2.
    “IEEE Standard Test Access Port and Boundary-Scan Architecture”, IEEE Std 1149.1-2001, Institute of Electrical and Electronics Engineers, ISBN: 0738129445, 14-Jun, 2001.Google Scholar
  3. 3.
    N.G. Jacobson, “Intest security circuit for boundary-scan architecture”, United States Patent 6,499,124, December 24, 2002.Google Scholar

Copyright information

© Springer Science + Business Media, LLC 2006

Authors and Affiliations

  1. 1.Jozef Stefan InstituteLjubljanaSlovenia

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