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http://dx.doi.org/10.3745/KIPSTD.2007.14-D.3.373

A Threshold Ring Group Signature for Ubiquitous Electronic Commerce  

Sung, Soon-Hwa (충남대학교 차세대통신인력양성사업단)
Publication Information
The KIPS Transactions:PartD / v.14D, no.4, 2007 , pp. 373-380 More about this Journal
Abstract
Ubiquitous electronic commerce can offer anytime, anywhere access to network and exchange convenient informations between individual and group, or between group and group. To use secure ubiquitous electronic commerce, it is essential for users to have digital signature with the properties of integrity and authentication. The digital signature for ubiquitous networks is required neither a trusted group manager, nor a setup procedure, nor a revocation procedure etc. because ubiquitous networks can construct or deconstruct groups anytime, anwhere as occasion demands. Therefore, this paper proposes a threshold ring signature as digital signature for secure ubiquitous electronic commerce using the ring signature without forgery (integrity) and the (n,t) ring signature solving the problem cannot prove the fact which a message is signed by other signer. Thus the proposed threshold ring signature is ubiquitous group signature for the next generation.
Keywords
Ring signature; Threshold ring signature; Ubiquitous electronic commerce; Integrity; Authentication;
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