| Publisher | Brown University | ||
|---|---|---|---|
| Format | 216.1KB PDF | Date added | 16 May 2006 |
| Topics | Security Management, Web Services | ||
| Downloads | 24 | ||
This paper proposes a notarized federated identity management model that supports efficient user authentication when providers are un-known to each other. The model introduces a notary service, owned by a trusted third-party, to dynamically notarize assertions generated by identity providers. An additional feature of the model is the avoidance of direct communications between identity providers and service providers, which provides improved privacy protection for users. The paper presents an efficient implementation of the notarized federated identity management model based on the Secure Transaction Management System (STMS). The paper also gives a practical solution for mitigating aspects of the identity theft problem and discusses its use in the notarized federated identity management model.
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