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Encryption Blog
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Doug McLean | 03 Sep 2004 | 1 comment

Abstract

Access to computer services has conventionally been managed by means of secret passwords and centralized authentication databases. This method dates back to early timeshare systems. Now that applications have shifted to the Internet, it has become clear that the use of passwords is not scalable or secure enough for this medium. As an alternative, this paper discusses ways to implement federated identity management using strong cryptography and the same PGP® key infrastructure that is widely deployed on the Internet today.

Beyond Passwords

The inherent security weakness and management complexities of password-based authentication and centralized authorization databases make such systems inadequate for the real-world requirements of today's public networks. However, by applying the same proven cryptographic technology used today for securing email, we can construct a robust authentication system with the...