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	DPAC: A Reuse-Oriented Password Authentication Framework for Improving Password Security
	Wang, Hua ; Guo, Yao ; Chen, Xiangqun
	2008
英文摘要	Traditionally, password authentication is distributed to each application, so developers have to take countermeasures by themselves to defend passwords against various threats. This requires a great amount of effort, a lot of which is repetitive. The high cost poses a potential hindrance to the adoption of countermeasures. This paper proposes a new reuse-oriented password authentication framework, called Desktop Password Authentication Center (DPAC), to reuse counter-measures among applications, thus reducing the cost of defending passwords against threats. In DPAC, we move the task of authentication, as well as the responsibility for protecting passwords, from applications to a dedicated Authentication Center (AuthCenter), so that countermeasures only need to be taken in AuthCenter and afterwards are reused by all applications. This solution can eliminate a lot of repetitive work and reduce the cost significantly. We demonstrate the feasibility of DPAC by implementing a prototype, in which we migrate the widely used OpenSSH to DPAC and implement two example countermeasures.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000263156000052&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Computer Science, Information Systems; Computer Science, Theory & Methods; Engineering, Electrical & Electronic; EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1109/HASE.2008.22
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/261091]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Wang, Hua,Guo, Yao,Chen, Xiangqun. DPAC: A Reuse-Oriented Password Authentication Framework for Improving Password Security. 2008-01-01.

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