Patent application title: METHODS AND APPARATUS FOR USE IN TRANSFERRING AN ASSIGNMENT OF A SECURE CHIP SUBSCRIPTION MANAGERS
Inventors:
Jean-Phillipe Paul Cormier (Ottawa, CA)
David Philip Hole (Southampton, GB)
Nicholas James Russell (Newbury, GB)
Nicholas James Russell (Newbury, GB)
Daniel Francis O'Loughlin (Aptos, CA, US)
Assignees:
BlackBerry Limited
CERTICOM CORP.
IPC8 Class: AH04W8802FI
USPC Class:
455558
Class name: Radiotelephone equipment detail interface attached device (e.g., interface with modem, facsimile, computer, etc.) card control element
Publication date: 2014-06-19
Patent application number: 20140171151
Abstract:
Techniques for use in transferring an assignment of a secure chip of a
wireless device from a current subscription manager (SM) of a current
mobile network operator (MNO) to a new SM of a new MNO are described. In
one illustrative example, the current SM receives a request for
transferring the assignment and produces transfer permission data in
response. The transfer permission data includes an identifier of the
secure chip, an identifier of the current SM, and a digital signature of
the current SM. The current SM then sends to the secure chip a transfer
permission message which includes the transfer permission data. The
transfer permission data indicates a permission for the secure chip to
transfer the assignment from the current SM to the new SM. Additional
techniques are performed by the secure chip, and the new SM, as
described.Claims:
Description:
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