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PODC
1998
ACM
13 years 8 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 8 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
13 years 10 months 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»
13 years 12 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