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Reseach Article

An Efficient Off-Line E-Cash System based on Signcryption without Bilinear Pairings

by Hassan M. Elkamchouchi, Eman F. Abou Elkheir, Yasmine Abouelseoud
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 91 - Number 15
Year of Publication: 2014
Authors: Hassan M. Elkamchouchi, Eman F. Abou Elkheir, Yasmine Abouelseoud
10.5120/15954-5199

Hassan M. Elkamchouchi, Eman F. Abou Elkheir, Yasmine Abouelseoud . An Efficient Off-Line E-Cash System based on Signcryption without Bilinear Pairings. International Journal of Computer Applications. 91, 15 ( April 2014), 1-7. DOI=10.5120/15954-5199

@article{ 10.5120/15954-5199,
author = { Hassan M. Elkamchouchi, Eman F. Abou Elkheir, Yasmine Abouelseoud },
title = { An Efficient Off-Line E-Cash System based on Signcryption without Bilinear Pairings },
journal = { International Journal of Computer Applications },
issue_date = { April 2014 },
volume = { 91 },
number = { 15 },
month = { April },
year = { 2014 },
issn = { 0975-8887 },
pages = { 1-7 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume91/number15/15954-5199/ },
doi = { 10.5120/15954-5199 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T22:12:47.608089+05:30
%A Hassan M. Elkamchouchi
%A Eman F. Abou Elkheir
%A Yasmine Abouelseoud
%T An Efficient Off-Line E-Cash System based on Signcryption without Bilinear Pairings
%J International Journal of Computer Applications
%@ 0975-8887
%V 91
%N 15
%P 1-7
%D 2014
%I Foundation of Computer Science (FCS), NY, USA
Abstract

There is an increased activity in research and development conducted to improve current payment systems in parallel with the progress of Internet. Signcryption combines the functionalities of encryption and digital signing in a single logical step. It is a cryptographic primitive that provides confidentiality, integrity, authentication and non-repudiation. Identity-based cryptography serves as an efficient alternative to the traditional certificate-based cryptosystems. This paper introduces an efficient electronic payment system based on signcryption without bilinear pairings. This e-cash system is more efficient than other schemes employing bilinear pairings and involves less computational cost. In the proposed protocol, the token is issued and authenticated by the bank to prevent double spending problem. The customer delegates his signing capability to the merchant. The bank verifies the identities of both the original signer (customer) and the proxy signer (merchant) and ensures the originality of the transaction. Unlike the existing e-payment systems, the problem of double spending of e-cash does not arise because each transaction is made uniquely identifiable. Hence, no separate protocol is needed to check double-spending. The performance and the security analysis of the proposed e-cash system are discussed revealing its strength from the viewpoint of security and efficiency with regard to computations required.

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Index Terms

Computer Science
Information Sciences

Keywords

E-cash payment system Signcryption Bilinear Pairings E-Commerce Security