Security

Certificate-Based Single Sign-On Mechanism for Multi-Platform Distributed Systems

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Executive Summary

In this paper the authors propose a single sign-on mechanism based on certificates generated on request for client applications. Single sign-on mechanisms ensure the use of user credentials for accessing multiple resources where the user is requested to enter its credentials only once. This ensures a reduction of the number of passwords used which can significantly improve security of systems by minimizing the likelihood of a password being compromised. Communication between client applications and servers is done using secure channels based on security protocols. In order to minimize the overhead needed for accessing multiple servers, instead of using protocols such as SSL or its more recent version TLS, they designed a set of new protocols based on Guttman's authentication tests.

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