Patent · US Active

Method and apparatus for secure hardware analysis

US9141776B2 · kind B2 · utility

0Cited by

7References

16Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Christian Gehrmann · Lund, SE
Kent Damberg · Alvalade, PT
Bernard Smeets · Dalby, SE

Key dates

Filing date	Apr 30, 2008
Grant date	Sep 22, 2015
Priority date	—
Expiry date	May 22, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG06F2221/2129
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A Hardware Analysis Module (“HAM”) embedded in an integrated circuit (IC) implements a dedicated hardware-controlled access control procedure. The secure hardware analysis features are unlocked by a key unit subject to successful completion of an access control procedure. The access control procedure prevents unlocking of the secure hardware analysis features by an unauthorized or compromised key unit by including an embedded control command in an authentication challenge sent by the HAM to the key unit during the access control procedure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.