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Single sign-on is critical for the usability of distributed systems. While there are several authentication mechanisms which support single sign-on (e.g. Kerberos and X.509), it may be difficult to modify a particular legacy application to utilize an authentication scheme other than username/password. A simple solution for single sign-on involves transmitting a user's password over the network. However, it is undesirable to expose a user's private password in an insecure environment. This paper describes the efforts to create "Session passwords" which are short-lived passwords transmitted in lieu of a user's private password. The implementation utilizes the MyProxy X.509 credential service as an authentication service. The authors demonstrate their solution in the MAEviz application portal, a Java Web Start application for earthquake risk management and analysis.

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Format:PDFSize:1,556 KB
Date:Nov 2006
Pages:7

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