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Title: An offline electronic payment system based on an untraceable blind signature scheme
Authors: Morimoto, Yasuhiko
G. G. Md. Nawaz Ali
Md. Abdullah Al Rahat Kutubi
Kazi Md. Rokibul Alam
Rafaf Tahsin
Chong, Peter Han Joo
Keywords: RSA
Electronic Payment System
Engineering::Electrical and electronic engineering
Issue Date: 2017
Source: Md. Abdullah Al Rahat Kutubi., Kazi Md. Rokibul Alam., Rafaf Tahsin., G. G. Md. Nawaz Al., Chong, P. H. J., & Morimoto, Y. (2017). An offline electronic payment system based on an untraceable blind signature scheme. KSII Transactions on Internet and Information Systems, 11(5), 2628-2645. doi:10.3837/tiis.2017.05.018
Series/Report no.: KSII Transactions on Internet and Information Systems
Abstract: This paper proposes a new offline electronic payment (e-payment) system that satisfies the major security requirements of e-payment, i.e. anonymity, unlinkability, unforgeability, double spending control, conditional traceability, and fraud prevention. The central idea is the use of Hwang et al.’s RSA-based untraceable blind signature (BS), which disables the link between the e-coin and its owner and ensures the anonymity of both the customer and the merchant. It attaches an expiration, a deposit and the transaction dates to each e-coin in order to manage the database of the bank effectively, to correctly calculate the interest on the e-coin and to aid arbitration if a dishonest customer attempts to double-spend the coin. It also ensures the anonymity of the customer as long as the coin is spent legitimately. Only when a fraudulent e-coin transaction is detected can the bank, with the help of the central authority (a trusted entity), determine the identity of the dishonest customer. The system is referred to as offline since the bank does not need to be concurrently involved in transactions between a customer and a merchant. Finally, analyses of the performance of the prototype and the primary security requirements of the proposed system are also presented.
DOI: 10.3837/tiis.2017.05.018
Rights: © 2017 KSII. This is an open-access article distributed under the terms of the Creative Commons Attribution License.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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