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Study of Off-line Authentication Model for Mobile Electronic Commerce

Author: ChenWenXing
Tutor: ZhangYi
School: Chongqing University of Posts and Telecommunications
Course: Communication and Information System
Keywords: Mobile Electronic Commerce Identity Authentication Combined Public Key BAN logic End-to-End protocol
CLC: F713.36
Type: Master's thesis
Year: 2009
Downloads: 57
Quote: 0
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Abstract


With the fast development of mobile communication technology and internet, Mobile Electronic Commerce has become the new direction of Electronic Commerce becauseof its character: convenience and immanence. At the same time, the security of Mobile Electronic Commerce has also become more and more austere.In wired networks, PKI got the widespread approbation in guaranteeing the information security, identity authentication, information integrity and non-repudiation. WPKI has been improved compared with PKI in mobile communication fields. However, WPKI system didn’t resolve the problem of security really because of small memory, low computing capacity in mobile terminal and low band in wireless network. The CPK algorithm based on identity is much suitable for mobile environment owing to it’s small expenditure, off-line character.In this paper, Combined Public Key (CPK) principle has been analyzed in detail and Off-line Authentication Model for Mobile Electronic Commerce has been offered considering the requirement of security for Mobile Electronic Commerce. Public key factor matrix is small and can be saved in smart card in mobile terminal. Customer public key can be computed through customer ID and a given mapping algorithm. Because of supporting multi-ID-field and multi-security-field character in CPK algorithm, customer can realize General Card in different Mobile Electronic Commerce conveniently. In the Off-line Authentication Model, owing to no certificate query and verification process, mobile terminal and application server can realize bidirectional identity authentication through signature and signature verification. In this paper, end-to-end identity authentication and key agreement protocol for this model has been proposed and the aim of bidirectional identity authentication and key agreement can be reached through two messages. Subsequently, we analyze the protocol by BAN logic.At present, the study for authentication system based-on CPK is on the statement of initial stage and the application of the system on Mobile Electronic Commerce is little. In this paper, simulator implement on function for the model has been realized. Because the essential of authentication system is to manage the public key, we compare the efficiency on obtaining public key of CPK system with WPKI system and CPK is more excellent. At last, the advantages and the shortcomings for Mobile Electronic Commerce Authentication System are analyzed in details comparing with WPKI system.

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CLC: > Economic > Trade and Economic > Domestic Trade and Economic > The circulation of commodities and the market > Sale of goods > E-commerce,online trading
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