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An Optimization of Credit-Based Payment for Electronic Toll Collection Systems

Goichiro HANAOKA, Tsuyoshi NISHIOKA, Yuliang ZHENG, Hideki IMAI

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Summary :

Credit-based electronic payment systems are considered to play important roles in future automated payment systems. Like most other types of payment systems, however, credit-based systems proposed so far generally involve computationally expensive cryptographic operations. Such a relatively heavy computational load is preventing credit-based systems from being used in applications which require very fast processing. A typical example is admission-fee payment at the toll gate of an expressway without stopping a vehicle that travels at a high speed. In this article, we propose a very fast credit-based electronic payment protocol for admission-fee payment. More specifically, we propose a payment system between a high-speed vehicle and a toll gate which uses only very simple and fast computations. The proposed system makes use of an optimized Key Pre-distribution System (or KPS) to obtain high resistance against collusion attacks.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E83-A No.8 pp.1681-1690
Publication Date
2000/08/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Information Security

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