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» Fair Exchange of Signatures with Multiple Signers
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ASIACRYPT
2008
Springer
13 years 6 months ago
Ambiguous Optimistic Fair Exchange
Optimistic fair exchange (OFE) is a protocol for solving the problem of exchanging items or services in a fair manner between two parties, a signer and a verifier, with the help o...
Qiong Huang, Guomin Yang, Duncan S. Wong, Willy Su...
DRM
2003
Springer
13 years 10 months ago
Breaking and repairing optimistic fair exchange from PODC 2003
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...
Yevgeniy Dodis, Leonid Reyzin
IANDC
2008
115views more  IANDC 2008»
13 years 4 months ago
Fair multi-party contract signing using private contract signatures
A multi-party contract signing protocol allows a set of participants to exchange messages with each other with a view to arriving in a state in which each of them has a pre-agreed...
Aybek Mukhamedov, Mark Dermot Ryan
EUROCRYPT
2004
Springer
13 years 10 months ago
Concurrent Signatures
We introduce the concept of concurrent signatures. These allow two entities to produce two signatures in such a way that, from the point of view of any third party, both signatures...
Liqun Chen, Caroline Kudla, Kenneth G. Paterson