Patent ID: 7694142

Claim:
A method of authorizing a display job on a display device in a first domain via a network, the method comprising: receiving, by an authorization member of a second domain, a chain of trust from an authorization member of the first domain, wherein the chain of trust comprises, an access certificate sent from a display device of the first domain to allow the authorization member of the first domain to grant at least one other member rights to access and perform a display job on the display device, and an assignment certificate generated by the authorization member of the first domain for assigning at least a portion of the member access rights to the second domain; extending, by the authorization member of the second domain, the chain of trust by adding a user certificate to the received chain of trust, the added user certificate indicating an assignment or delegation of the member access rights to the display device of the first domain; and sending, by the authorization member of the second domain, the extended chain of trust to a first member in the second domain.