Patent ID: 7184988
Filing Date: 2007-02-27
Classification: G06Q

Abstract:
1. In an infrastructure in which some of a plurality of entities provide cryptographically supported services, a method of registering a subscriber entity of a plurality of entities at a principal entity of a plurality of entities, the method comprising: the subscriber entity requesting service from the principal entity by sending a request message to a registrar entity of the plurality of entities; the registrar entity verifying the subscriber entity and forwarding the request for service to the principal entity; the principal entity storing the forwarded request and transmitting an acknowledgement message to the registrar entity, the acknowledgement stating acceptance and authentication/authorization information that the subscriber entity requires to obtain or access the requested service; and the registrar entity verifying the authenticity of the received acknowledgement message, and, if correct, forwarding the acknowledgement message to the subscriber entity, wherein the request message contains an indication of a type of service requested by the subscriber entity and contains one or more selected from the following: (a) a unique reference to the subscriber entity; (b) attributes about the subscriber entity; (c) authentication information to be used to authenticate use of the service; (d) transactional verification information; (e) a representation by the subscriber entity agreeing to what the subscriber entity accepts; (f) a preferred service relationship; or (g) a subscriber entity's authenticator.