Patent ID: 9253588
Filing Date: 2016-02-02
CPC Classification: G06Q,H04L,H04W

Claim Text:
1. In a wireless transmit/receive unit (WTRU) that comprises a first trusted subystem, a second trusted subsystem, and a third trusted subsystem, a method comprising: storing and providing, by the first trusted subsystem credentials related to a manufacturer of the WTRU; sending by the first trusted subsystem, a certificate and a request for a mobile network operator to take control of an execution environment of the WTRU, the certificate installed by the execution environment so as to establish the second trusted subsystem of the WTRU such that the second trusted subsystem of the WTRU is controlled by the mobile network operator; storing and providing, by the second trusted subsystem, credentials related to the mobile network operator; and storing and providing, by the third trusted subsystem, credentials related to a user of the WTRU, wherein the first trusted subsystem, the second trusted subsystem, and the third trusted subsystem are separate and insulated on the WTRU from one another such that their respective credentials cannot be accessed by the other trusted subsystems, and wherein the second trusted subsystem and the third trusted subsystem are configured to communicate with each other through a trusted virtual subscriber identity module (vSIM) service link.