NDLI: Secure Broadcast with One-Time Signatures in Controller Area Networks

Content Provider	IEEE Xplore Digital Library
Author	Groza, B. Murvay, S.
Copyright Year	2011
Abstract	We use one-time signatures to assure authenticity for messages that are broadcast over a Controller Area Network (CAN). The advantage is that we can use the simplest one-way functions which are computationally efficient while authentication does not depend on disclosure delays as in the case of protocols based on one-way chains and time synchronization. As the size of the one-time signatures is proportional to the bit length of the signed message, another benefit in using them is due to the reduced size of messages that are broadcast in CAN. To avoid the use of authentication trees, which will allow multiple uses of the one-time signature, but increases the size of signatures as well as memory requirements, we use an upper layer of key-chains with time synchronization in order to commit the public keys that can be further used for signing at any instant. The theoretical results are followed by experimental results on development boards equipped with Free scale S12, a commonly used automotive grade microcontroller. We also benefit from the acceleration offered by the XGATE coprocessor available on S12X derivatives which significantly increases computational performances. To further increase efficiency we also design and use a hardware random number generator which saves computational time that otherwise will be spent to derive fresh key material.
Starting Page	371
Ending Page	376
File Size	215380
Page Count	6
File Format	PDF
ISBN	9781457709791
DOI	10.1109/ARES.2011.62
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-22
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	CAN Protocols Public key Authentication White noise broadcast authentication Generators Synchronization one-time signature
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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