17 search results - page 3 / 4 » Fair Electronic Cash Based on a Group Signature Scheme |
FC
2006
Springer
13 years 9 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
13 years 4 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...
WWW
2005
ACM
14 years 6 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...
DRM
2003
Springer
13 years 11 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
14 years 4 days 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...