CT-RSA '02 Proceedings of the The Cryptographer's Track at the RSA Conference on Topics in Cryptology
Requirements for network payment: the NetCheque perspective
COMPCON '95 Proceedings of the 40th IEEE Computer Society International Conference
A public key cryptosystem and a signature scheme based on discrete logarithms
IEEE Transactions on Information Theory
A new mobile payment system with formal verification
International Journal of Internet Technology and Secured Transactions
A Low Computational-Cost Electronic Payment Scheme for Mobile Commerce with Large-Scale Mobile Users
Wireless Personal Communications: An International Journal
A robust e-commerce service: Light-weight secure mail-order mechanism
Electronic Commerce Research and Applications
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Nowadays, electronic commerce is booming on the Internet and becoming more popular. Many kinds of electronic services have been developed. The most successful are the electronic payment systems such as the electronic cash/check and wallet. Most electronic payment systems are based on an elaborate discrete logarithm that raises an important issue regarding efficiency. Therefore, Hsien et al. proposed an electronic traveler's check system in 2001 using a discrete logarithm. In this paper, we propose a new electronic traveler's check system based on one-way hash function to improve efficiency and cost. Furthermore, our proposed scheme supports an on-line and off-line electronic traveler's check system of practical flexibility for use in the real world.