Patent · US Active

Processing unit that detects manipulations thereof, device comprising two processing units, method for testing a processing unit and a device comprising two processing units

US8914621B2 · kind B2 · utility

0Cited by

3References

21Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Franz Klug · Munich, DE
Andreas Wenzel · Munich, DE

Key dates

Filing date	Apr 2, 2009
Grant date	Dec 16, 2014
Priority date	—
Expiry date	Jan 24, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG06F21/75
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A processing unit having a control unit configured to execute after a reset phase a sequence of test instructions to detect a manipulation of the processing unit before the control unit decodes a first instruction for a normal operation.

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