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An Efficient Micropayment System using a Session Key  

Jeong Yoon Su (충북대학교 전기전자컴퓨터공학부)
Baek Seung-Ho (충북대학교 전기전자컴퓨터공학부)
Hwang Yoon Cheol (충북대학교 전기전자컴퓨터공학부)
Oh Chung Shick (한국과학기술정보연구원)
Lee Sang-ho (충북대학교 전기전자컴퓨터공학부)
Publication Information
Journal of KIISE:Information Networking / v.32, no.4, 2005 , pp. 462-470 More about this Journal
Abstract
A hash chain is highly efficient and attractive structure to use in electronic cash. Previous systems using hash chain are used extensively in various cryptography applications such as one-time passwords, server-supported signatures and microments. However, The most hash chain based systems using fro-paid method provide anonymity but have the problem to increase payment cost. Therefore, in this paper, we propose a new hash chain based microment system which improves efficiency using session key and guarantees user anonymity through blind signature in the withdrawal process of the root value without disclosing privacy Information.
Keywords
micropayment; hash-chain; session key;
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