Patent ID: 8095660

Claim:
A method for allowing an invited principal to access a resource/attribute of an inviting principal, the method comprising the steps of: during an invitation process when said invited principal is invited to access the resource/attribute of said inviting principal the following steps are performed: creating at a first device a first identifier associated with said invited principal and delivering said first identifier to a second device and a third device; creating at said first device a second identifier associated with said invited principal and delivering said second identifier to said second device and a fourth device; during a discovery process when said invited principal attempts to discover the resource/attribute of said inviting principal the following steps are performed: receiving at a fifth device from said third device information containing the first identifier associated with said invited principal; sending from said fifth device said first identifier in a request message to said second device; and performing access control at said second device to determine if said invited principal is authorized to access the resource/attribute of said inviting principal.