| 摘要 |
The present invention extends to trusted third party authentication for Web services. Web services trust and delegate user authentication responsibility to a trusted third party that acts as an identity provider for the trusting Web services. The trusted third party authenticates users through common authentication mechanisms, such as, for example, username/password and X.509 certificates and uses initial user authentication to bootstrap subsequent secure sessions with Web services. Web services construct user identity context using a service session token issued by the trusted third party and reconstruct security states without having to use a service-side distributed cache.
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