Design and Implementation of TPM-based Vehicle Data Logging System for Tamper-Resistant Data Collection
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초록
The ability to record the driving data in a tamper-resistant manner is a precursor to widespread deployment of digital tachograph because the driving data is potentially sensitive and must be verifiably accurate. The deployment of the digital tachograph has been mandatory for all business vehicles in Korea since 2012. As its next step, a networked digital tachograph has been developed for real-time monitoring of the driving time, breaks, as well as rest periods undertaken by a driver. In this paper, we propose a tamper-resistant logging system for the networked digital tachograph, called T-Box. To provide the tamper-resistant logging, we devised a hash-chain based logging mechanism using a monotonic counter of TPM, in which even the drivers cannot modify or falsify the driving data. To evaluate the feasibility and computation efficiency of the proposed logging mechanism, we built a prototype on an ARM-based embedded board. The evaluation results show that the proposed method can perform 995.85 logging transactions per second.
Abstract
The ability to record the driving data in a tamper-resistant manner is a precursor to widespread deployment of digital tachograph because the driving data is potentially sensitive and must be verifiably accurate. The deployment of the digital tachograph has been mandatory for all business vehicles in Korea since 2012. As its next step, a networked digital tachograph has been developed for real-time monitoring of the driving time, breaks, as well as rest periods undertaken by a driver. In this paper, we propose a tamper-resistant logging system for the networked digital tachograph, called T-Box. To provide the tamper-resistant logging, we devised a hash-chain based logging mechanism using a monotonic counter of TPM, in which even the drivers cannot modify or falsify the driving data. To evaluate the feasibility and computation efficiency of the proposed logging mechanism, we built a prototype on an ARM-based embedded board. The evaluation results show that the proposed method can perform 995.85 logging transactions per second.
참고문헌 (13)
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