Preserving Transparency and Accountability in Optimistic Fair Exchange of Digital Signatures
نویسندگان
چکیده
منابع مشابه
P2OFE: Privacy-Preserving Optimistic Fair Exchange of Digital Signatures
How to sign an electronic contract online between two parties (say Alice and Bob) in a fair manner is an interesting problem, and has been studied for a long time. Optimistic Fair Exchange (OFE) is an efficient solution to this problem, in which a semi-trusted third party named arbitrator is called in to resolve a dispute if there is one during an exchange between Alice and Bob. Recently, sever...
متن کاملPOFE: Privacy-Preserving Optimistic Fair Exchange of Digital Signatures
How to sign an electronic contract online between two parties (say Alice and Bob) in a fair manner is an interesting problem, and has been studied for a long time. Optimistic Fair Exchange (OFE) is an efficient solution to this problem, in which a semi-trusted third party named arbitrator is called in to resolve a dispute if there is one during an exchange between Alice and Bob. Recently, sever...
متن کاملOptimistic Fair Exchange of Digital Signatures Optimistic Fair Exchange of Digital Signatures
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متن کاملOptimistic Fair Exchange of Ring Signatures
An optimistic fair exchange (OFE) protocol is an effective tool helping two parties exchange their digital items in an equitable way with assistance of a trusted third party, called arbitrator, who is only required if needed. In previous studies, fair exchange is usually carried out between individual parties. When fair exchange is carried our between two members from distinct groups, anonymity...
متن کاملGeneric Construction of Privacy-Preserving Optimistic Fair Exchange Protocols
Privacy-preserving optimistic fair exchange (POFE) is a kind of protocols which aim to solve the fairness problem in the exchange of digital signatures between two parties and in the meanwhile protect their privacy. In POFE, no one else including the semi-trusted third party in charge of arbitration can confirm an exchange even after resolving a dispute. In this paper we present a black-box con...
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ژورنال
عنوان ژورنال: IEEE Transactions on Information Forensics and Security
سال: 2011
ISSN: 1556-6013,1556-6021
DOI: 10.1109/tifs.2011.2109952