Patent · US Expired

Method for activating or deactivating data stored in a memory arrangement of a microcomputer system

US6948071B2 · kind B2 · utility

28Cited by

6References

17Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Klaus Schneider · Tiefenbronn, DE
Ralf Angerbauer · Heubach, DE
Alexander Heindl · Abensberg, DE

Key dates

Filing date	May 31, 2002
Grant date	Sep 20, 2005
Priority date	—
Expiry date	May 13, 2023

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2209/84
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method is for activating or deactivating at least one part of data stored in a memory arrangement of a microcomputer system, in particular one part of a program stored there. In the event of a manipulation of data stored in the memory arrangement by unauthorized third parties, a method having the following method steps may prevent utilization of the manipulated data reliably and effectively:a microcomputer-individual identifier is stored in a signed or encoded fashion a specifiable memory area of the memory arrangement;when the microcomputer system is started up, the signature of the identifier is checked or the identifier is decoded; andas a function of the result of the identifier, one part of the data is activated or deactivated.

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