A Secure and Efficient Off-line Electronic Payment System forWireless Networks | Zendy

Horea Oros | Zendy; Constantin Popescu | Zendy

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A Secure and Efficient Off-line Electronic Payment System forWireless Networks

Author(s) -

Horea Oros,

Constantin Popescu

Publication year - 2010

Publication title -

international journal of computers communications and control

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.422

H-Index - 33

eISSN - 1841-9844

pISSN - 1841-9836

DOI - 10.15837/ijccc.2010.4.2513

Subject(s) - electronic cash , anonymity , computer science , computer security , digital signature , payment , payment system , computer network , electronic money , electronic funds transfer , world wide web , hash function

An electronic cash system allows the exchange of digital coins with value assured by the bank’s signature and with concealed user identity. In an electronic cash system, a user can withdraw coins from the bank and then spends each coin anonymously and unlinkably. In this paper we propose a secure and efficient off-line electronic payment system based on bilinear pairings and group signature schemes. The anonymity of the customer is revocable by a trustee in case of a dispute. Because the amount of communication in the payment protocol is about 480 bits, the proposed off-line electronic payment system can be used in wireless networks with limited bandwidth.

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