×

Security techniques for device assisted services

  • US 10,694,385 B2
  • Filed: 07/13/2018
  • Issued: 06/23/2020
  • Est. Priority Date: 01/28/2009
  • Status: Active Grant
First Claim
Patent Images

1. A system, comprising:

  • a processor of a communications device configured to;

    implement a service profile executed at least in part in a secure execution environment for assisting control of the communications device use of a service on a wireless network, wherein the service profile includes a plurality of service policy settings, and wherein the service profile is associated with a service plan that provides for access to the service on the wireless network;

    operate a host service control link in the secure execution environment to connect securely to a network service controller through a first control channel, the host service control link to receive one or more messages from the network service controller through the first control channel, and based on the one or more messages, to update one or more of the service policy settings;

    monitor use of the service based on the service profile; and

    verify the use of the service based on the monitored use of the service;

    a memory of the communications device coupled to the processor and configured to provide the processor with instructions, the memory comprising a secure partition accessible only from the secure execution environment; and

    a secure modem subsystem including;

    a wireless modem to communicate with the wireless network;

    a modem control link to connect securely to the network service controller through a second control channel.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×