Security Extension for IEEE Std 1149.1

Authors:
Franc Novak;Anton Biasizzo
Affiliations:
Jozef Stefan Institute, Ljubljana, Slovenia 1000;Jozef Stefan Institute, Ljubljana, Slovenia 1000
Venue:
Journal of Electronic Testing: Theory and Applications
Year:
2006

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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.