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More and more websites are allowing or requiring users to input their e-mail addresses to be used either as identities or for other purposes. Although username-based identity and password problems resulting from user behaviors have been a research focus for quite some time, the serious issues related to using e-mail address as an identity and the associated online behaviors of users have not been...
Over the past years Web applications increased in number and complexity (driven by ldquoWeb 2.0rdquo paradigm). Users need to manage different passwords to authenticate at these applications. Modern Web-based single sign-on solutions that reduce the complexity for usage and management of the userspsila credentials can be categorized in federated (typically SAML) or user-centric identity management...
In today's age of Web applications connected via Web services, accountability has become both crucial and harder to achieve. The management of authentication, authorization, and accountability in these applications is therefore a very important and difficult problem to solve. In this article, we describe how audit logging can be built into the Web services infrastructure.
We introduce the notion of StemCerts, a digital certificate scheme that allows the user to modify some fields of a digital certificate while keeping it valid. The owner can modify a StemCert in a limited and controlled fashion without interacting with the certification authority which issued it. By modifying her identity, the user can achieve "pseudonymous anonymity" - but the CA can still...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.