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Contract signature in e-commerce
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DOI：10.1016/j.compeleceng.2011.02.001.png)
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摘要
En 中文
In this paper, we propose a notion of contract signature used in e-commerce applications. We propose a contract signature scheme based on the discrete logarithm assumption. The contract signature scheme adopts a digital multi-signature scheme in public-key cryptography to facilitate fair signature exchange over network. This proposed solution allows multiple signers of a contract signature to exchange their partial signatures which are fully ambiguous for any third party (i.e., 1 out of infinity ambiguity) to construct a valid contract signature. In case any signer releases the partial signature to others, the signer does not bind to the contract. (C) 2011 Elsevier Ltd. All rights reserved.
Keyword:
OPTIMISTIC FAIR EXCHANGE
PROTOCOL
SCHEME
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