Privacy Preserving Bluetooth Low Energy Pairing
AssigneeApple Inc.
InventorsChen GANIR, Yann LY-GAGNON, Anjali S. SANDESARA, Lochan VERMA
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Abstract
A wireless device configured to transmit a pairing request message to an accessory device, decode, based on signals received from the accessory device, a pairing response message, establish a connection with the accessory device, decode, based on signals received from the accessory device, information identifying the accessory device, generate an identity resolving key (IRK) uniquely associated with the accessory device and a long-term key (LTK) associated with the accessory device and store the IRK and the LTK.
Claims20
A method performed by a wireless device, comprising:
- transmitting a pairing request message to an accessory device;
- receiving a pairing response message from the accessory device;
- establishing a connection with the accessory device;
- receiving information identifying the accessory device;
- generating an identity resolving key (IRK) uniquely associated with the accessory device and a long-term key (LTK) associated with the accessory device;
- and
- storing the IRK and the LTK.
An apparatus of a wireless device, the apparatus comprising processing circuitry configured to:
- configure transceiver circuitry to transmit a pairing request message to an accessory device;
- decode, based on signals received from the accessory device, a pairing response message;
- establish a connection with the accessory device;
- decode, based on signals received from the accessory device, information identifying the accessory device;
- generate an identity resolving key (IRK) uniquely associated with the accessory device and a long-term key (LTK) associated with the accessory device;
- and
- store the IRK and the LTK.
Dependencies are inferred from the claim text.