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Secure automotive on-board protocols: A case of over-the-air (OTA) firmware updates

: Idrees, S.; Schweppe, H.; Roudier, Y.; Wolf, M.; Henniger, O.; Scheuermann, D.

Preprint urn:nbn:de:0011-n-1747274 (572 KByte PDF)
MD5 Fingerprint: 4ca884185bce489be9cdfd79bf64f08e
The original publication is available at
Created on: 6.8.2011

Strang, T.:
Communication technologies for vehicles. Third international workshop, Nets4Cars/Nets4Trains 2011 : Oberpfaffenhofen, Germany, March 23 - 24, 2011; Proceedings
Berlin: Springer, 2011 (Lecture Notes in Computer Science 6596)
ISBN: 3-642-19785-X (Print)
ISBN: 978-3-642-19785-7 (Print)
ISBN: 978-3-642-19786-4 (Online)
ISSN: 0302-9743
International Workshop on Communication Technologies for Vehicles (Nets4Cars/Nets4Trains) <3, 2011, Oberpfaffenhofen>
Conference Paper, Electronic Publication
Fraunhofer SIT ()
security protocol; security architecture; secure firmware updates over the air; software functionality

The software running on electronic devices is regularly up- dated, these days. A vehicle consists of many such devices, but is operated in a completely dierent manner than consumer devices. Update opera- tions are safety critical in the automotive domain. Thus, they demand for a very well secured process. We propose an on-board security archi- tecture which facilitates such update processes by combining hardware and software modules. In this paper, we present a protocol to show how this security architecture is employed in order to achieve secure rmware updates for automotive control units.