Method of detecting manipulation of a programmable memory device of a digital controller

US8140216B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Immanuel Krauter · Munderkingen, DE
• Claus Moessner · Ispringen, DE
• Axel Aue · Strohberg, DE

Key dates

• Filing date: Mar 30, 2009
• Grant date: Mar 20, 2012
• Expiry date: Mar 30, 2029

Classification

• Technology area (CPC G): Physics
• CPC primary: G05B2219/24142
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A method of detecting manipulation of a programmable memory device of a digital controller for a motor vehicle is described; data and control programs for operation of the controller and for control/regulation of certain functions of the motor vehicle can be stored in the memory device. To permit especially reliable detection of manipulation in the simplest possible way, in conjunction with each programming/reprogramming operation of the programmable memory device, information regarding the programming/reprogramming operation is stored in a separate memory area of the memory device where only reading and programming are possible, and in order to detect manipulation, the content of the separate memory area is read out and compared with given information.