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Reseach Article

An Off-Line Electronic Payment Scheme based on Publicly Verifiable Secret Sharing

Published on December 2011 by Mustapha Hedabou
Network Security and Cryptography
Foundation of Computer Science USA
NSC - Number 2
December 2011
Authors: Mustapha Hedabou
1b5bcd2e-51de-4bbb-a6f0-1e8007e2b9bb

Mustapha Hedabou . An Off-Line Electronic Payment Scheme based on Publicly Verifiable Secret Sharing. Network Security and Cryptography. NSC, 2 (December 2011), 15-19.

@article{
author = { Mustapha Hedabou },
title = { An Off-Line Electronic Payment Scheme based on Publicly Verifiable Secret Sharing },
journal = { Network Security and Cryptography },
issue_date = { December 2011 },
volume = { NSC },
number = { 2 },
month = { December },
year = { 2011 },
issn = 0975-8887,
pages = { 15-19 },
numpages = 5,
url = { /specialissues/nsc/number2/4329-spe022t/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Special Issue Article
%1 Network Security and Cryptography
%A Mustapha Hedabou
%T An Off-Line Electronic Payment Scheme based on Publicly Verifiable Secret Sharing
%J Network Security and Cryptography
%@ 0975-8887
%V NSC
%N 2
%P 15-19
%D 2011
%I International Journal of Computer Applications
Abstract

In this paper, we introduce a new efficient technique allowing to render an off-line e-cash system traceable without need to a trusted party. The main idea is the use of the publicly verifiable secret sharing technique in order to revoke the anonymity of double spending users. The anonymity of honest users is still provided. Security analysis shows that the proposed technique does not undermine the security requirements of a traceable off-line e-cash scheme, including anonymity. A concrete construction of a traceable off-line e-cash system based on a particular blind signature scheme combined with the proposed technique is also given.

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Index Terms

Computer Science
Information Sciences

Keywords

E-cash Threshold secret sharing