Patent · US Active

Method and device for avoiding manipulation of a data transmission

US9894081B2 · kind B2 · utility

1Cited by

1References

5Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Dirk Wagner · Schiffweiler, DE
Andreas Soenkens · Kornwestheim, DE
Frank Ahnert · Ludwigsburg, DE
Juergen Schramm · Bietigheim-Bissingen, DE
Thomas Hartgen · Ludwigsburg, DE
Werner Stadler · Heidelberg, DE

Key dates

Filing date	Apr 19, 2017
Grant date	Feb 13, 2018
Priority date	—
Expiry date	Apr 19, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH04L63/1466
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method and device for avoiding manipulation of a data transmission. A message containing a message authentication code is received at a processing unit, the message from the processing unit is transferred to a hardware module, a check value as a function of the received message is computed in the hardware module, the received message authentication code and the check value are compared in the hardware module, a result of the comparison is transferred from the hardware module to the processing unit as an output variable, the message authentication code received in the message from the processing unit is checked in the processing unit based on the output variable.

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