48 search results - page 2 / 10 » Optimistic Fair Exchange Using Trusted Devices |
ICISC
2001
13 years 6 months ago
2001
In 1999, Bao et al. proposed [5] a multi-party fair exchange protocol of electronic items with an offline trusted third party. In this protocol, a coalition including the initiator...
FC
2001
Springer
13 years 9 months ago
2001
Springer
In this paper, we propose a new practical fair exchange protocol allowing the exchange of an electronic item against a signature. The protocol is based on the Guillou-Quisquater s...
CONCUR
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. A contract signing protocol lets two parties exchange digital signatures on a pre-agreed text. Optimistic contract signing protocols enable the signers to do so without i...
ICISC
2000
13 years 6 months ago
2000
In this paper we consider the optimistic approach of the non-repudiation protocols. We study a non-repudiation protocol with off-line trusted third party and we keep on with the de...
DRM
2003
Springer
13 years 10 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...