✦ LIBER ✦

Contract signature in e-commerce

✍ Scribed by Lein Harn; Chu-Hsing Lin

Book ID: 104014625
Publisher: Elsevier Science
Year: 2011
Tongue: English
Weight: 177 KB
Volume: 37
Category: Article
ISSN: 0045-7906
DOI: 10.1016/j.compeleceng.2011.02.001

No coin nor oath required. For personal study only.

✦ Synopsis

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 1 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.

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