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http://dx.doi.org/10.3745/KIPSTC.2003.10C.5.575

Design and Implementation of Digital Contract System on the Mobile Environment : M-XContract  

Hwang, Ki-Tae (한성대학교 컴퓨터공학부)
Kim, Nam-Yun (한성대학교 정보공학부)
Publication Information
The KIPS Transactions:PartC / v.10C, no.5, 2003 , pp. 575-584 More about this Journal
Abstract
Due to hardware resource limit and system incompatibility of the mobile device, and low bandwidth of wireless communication, there are a few difficulties in introducing the digital contract system based on wired communication to M-Commerce. To get over the difficulties, this paper defines a digital contract based upon XML and then addresses the design and implementation of M-XContract, a digital contract system for the mobile environment. M-XContract system has been constructed with the digital contract server, M-ESign module which contracts with the customer on the PDA and transfers the contract digitally signed to the server, M-EDecoder module which shows the contract to the customer from the server, and X-Auth which is a contract authoring tool. To evaluate the run-time performance of the M-XContract, we measured the digital signature generation time and transfer time to the server. The evaluation results show that the M-Xcontract is an efficient model for the mobile contract system.
Keywords
Digital Signature; Mobile; XML; PKI; Digital Contract; M-Commerce;
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