17 search results - page 3 / 4 » Fair Electronic Cash Based on a Group Signature Scheme |
FC
2006
Springer
15 years 1 months ago
2006
Springer
In this paper, we present two failures in the blind signatures based voting system Votopia [2] which has been tested during the last World Soccer Cup. We then propose a fix which r...
TIFS
2010
14 years 7 months ago
2010
A fair contract signing protocol allows two potentially mistrusted parities to exchange their commitments (i.e., digital signatures) to an agreed contract over the Internet in a f...
102
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WWW
2005
ACM
15 years 10 months ago
2005
ACM
A fair contract signing protocol allows two potentially mistrusted parities to exchange their commitments (i.e., digital signatures) to an agreed contract over the Internet in a f...
87
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DRM
2003
Springer
15 years 2 months ago
2003
Springer
In PODC 2003, Park, Chong, Siegel and Ray [22] proposed an optimistic protocol for fair exchange, based on RSA signatures. We show that their protocol is totally breakable already...
ACSC
2007
IEEE
15 years 3 months ago
2007
IEEE
In this paper we shall introduce a new electronic payment concept based on the popular direct debit payment model, entitled periodical payments. The direct debit model currently i...