Reference : Schedulability Analysis of CAN and CAN FD Authentication
Scientific congresses, symposiums and conference proceedings : Unpublished conference
Engineering, computing & technology : Computer science
Schedulability Analysis of CAN and CAN FD Authentication
Ikumapayi, Omolade [University of Colorado Colorado Springs]
Olufowobi, Habeeb [University of Texas at Arlington]
Daily, Jeremy [Colorado State University]
Hu, Tingting mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Computer Science (DCS) >]
Cibrario Bertolotti, Ivan [National Research Council of Italy]
Bloom, Gedare [University of Colorado Colorado Springs]
29th IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS 2023)
from 09-05-2023 to 12-05-2023
San Antonio, Texas
[en] Ensuring the data integrity of messages transmitted over the Controller Area Network (CAN) bus and other vehicular networks is achieved through the implementation of cryptographic authentication protocols. However, these protocols raise concerns about a significant increase in response time due to the restrictions on CAN frame size and bandwidth. This paper presents a comprehensive analysis of the impact on response time of CAN and CAN Flexible Data-rate (CAN FD) messages with the implementation of cryptographic message authentication codes (MACs) and the periodic transmission of these codes. Our evaluation is based on a randomized schedulability experiment to provide insights into the overhead incurred by adding authentication to the frame payloads.
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