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PODC
1998
ACM
13 years 10 months ago
Optimal Efficiency of Optimistic Contract Signing
A contract is a non-repudiable agreement on a given contract text, i.e., a contract can be used to prove agreement between its signatories to any verifier. A contract signing sche...
Birgit Pfitzmann, Matthias Schunter, Michael Waidn...
FC
2010
Springer
209views Cryptology» more  FC 2010»
13 years 10 months ago
Three-Round Abuse-Free Optimistic Contract Signing with Everlasting Secrecy
We introduce the novel notion of Verifiable Encryption of Chameleon Signatures (VECS), and then use it to design a three-round abuse-free optimistic contract signing protocol. Key...
Xiaofeng Chen, Fangguo Zhang, Haibo Tian, Qianhong...
ACISP
2004
Springer
14 years 6 days ago
Analysis and Improvement of Micali's Fair Contract Signing Protocol
In PODC 2003, Micali presented a fair electronic exchange protocol for contract signing with an invisible trusted party [17]. The protocol was filed as a US patent No 5666420 in 1...
Feng Bao, Guilin Wang, Jianying Zhou, Huafei Zhu
WKDD
2010
CPS
217views Data Mining» more  WKDD 2010»
14 years 1 months ago
Two-round Multi-Party Contract Signing
—A multi-party contract signing (MPCS) protocol allows a set of parties to exchange messages with each other to reach a state in which either each of them has a pre-agreed contra...
Xiangdong Li, Qiusheng Zheng