Title:
NOTARIZED FEDERATED IDENTITY MANAGEMENT
Document Type and Number:
WIPO Patent Application WO2008020991
Kind Code:
B1
Abstract:
The exemplary embodiments of this invention provides notarized federated identity management that may have application like supporting efficient user authentication when providers are unknown to each other and/or for avoiding direct communication between identity providers and service providers, which provides improved privacy protection for users. In one non-limiting, exemplary embodiment, a method includes: receiving through a data communication network an assertion generated by a first entity; notarizing the assertion to obtain a corresponding notarized assertion; and in response to receiving from a second entity via the same or a different data communication; network a query corresponding to the assertion, returning the corresponding notarized assertion. The method further includes: determining a user private key for the user identity information; and returning the user private key to the user as data to be stored on a storage medium.
Inventors:
GOODRICH MICHAEL T (US)
YAO DANFENG (US)
TAMASSIA ROBERTO (US)
YAO DANFENG (US)
TAMASSIA ROBERTO (US)
Application Number:
PCT/US2007/017047
Publication Date:
October 02, 2008
Filing Date:
July 30, 2007
Export Citation:
Assignee:
UNIV BROWN (US)
GOODRICH MICHAEL T (US)
YAO DANFENG (US)
TAMASSIA ROBERTO (US)
GOODRICH MICHAEL T (US)
YAO DANFENG (US)
TAMASSIA ROBERTO (US)
International Classes:
H04K1/00; G06Q20/00
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