Method and apparatus for on-the-fly out of band temporary key derivation and assignment for pairing

Patent metadata

Field	Value
Publication number	US-12439260-B2
Application number	US-202318104156-A
Country	US
Kind code	B2
Filing date	Jan 31, 2023
Priority date	Jan 31, 2023
Publication date	Oct 7, 2025
Grant date	Oct 7, 2025

Abstract

A backend management server includes a hardware processor to code instructions of an automatic peripheral device pairing management system to receive a peripheral device identification (PD ID) associated with a wireless peripheral device from a manufacturer and the backend management server generating a temporary key to be associated with the wireless peripheral. The hardware processor to execute code instructions of a temporary key wrapping agent to wrap the temporary key in a transport private key and sending the transport private key-wrapped temporary key and PD ID for the wireless peripheral device to an assigned backend-coupled information handling system. A copy of the transport private key-wrapped temporary key is sent to the wireless peripheral device upon receiving a matching PD ID in a wireless peripheral device pairing query. The backend-coupled information handling systems may then verify and pair with the wireless peripheral device upon matching the temporary keys at both devices.

First claim

What is claimed is:

1. An information handling system operating as a backend management server comprising:
a hardware processor;
a memory device;
a power management unit (PMU) to provide power to the processor and memory device;
the hardware processor to execute computer readable program code of an automatic peripheral device pairing management system to receive a peripheral device identification (PD ID) and purchaser information of a purchaser of a wireless peripheral device from a manufacturer of the wireless peripheral device and generate an out-of-band (OOB) temporary key;
the hardware processor conducting a pairing assignment of the wireless peripheral device with a backend-coupled information handling system based on the purchaser information, wherein the purchaser information comprises one or more of: a street address of the purchaser, purchase date of the wireless peripheral device and purchaser identification;
the hardware processor to execute computer readable program code of a temporary key wrapping agent to wrap the OOB temporary key in a transport private key;
a network interface device sending the OOB temporary key wrapped in the transport private key as a transport private key-wrapped temporary key with a PD ID and sending instructions to the backend-coupled information handling system to store the transport private key-wrapped temporary key and PD ID associated with the peripheral device assigned to the backend-coupled information handling system, wherein the instructions are for the backend-coupled information handling system to send a copy of the transport private key-wrapped temporary key to the wireless peripheral device upon receiving a PD ID from the wireless peripheral device (PD) in a pairing query that matches the stored PD ID; and
the network interface device sending instructions to the backend-coupled information handling system to use a public key provided on the fly, with a wireless adapter at the backend-coupled information handling system, to pair the wireless peripheral device with the backend-coupled information handling system upon verifying matching of an unwrapped copy of the stored transport private key-wrapped temporary key with an unwrapped transport private key-wrapped temporary key received from the wireless peripheral device, wherein the pairing is performed using a short-range wireless technology used for connecting devices.

2. The information handling system of claim 1 further comprising:
the network interface device sending instructions to the backend-coupled information handling system including data describing peripheral device verification requirements that require the transport private key-wrapped temporary key to be unwrapped to yield the OOB TK via the public key provided on the fly at the backend-coupled information handling system and to match a peripheral device temporary key at the wireless peripheral device unwrapped from the copy of the transport private key-wrapped temporary key sent to the wireless peripheral device.

3. The information handling system of claim 1 further comprising:
the hardware processor generates the temporary key of the transport private key-wrapped temporary key for the backend-coupled information handling system via a hash function with a serial number of the associated wireless peripheral device received from the manufacturer and used as seed data into the hash function.

4. The information handling system of claim 1 further comprising:
the network interface device to transmit a public key to the manufacturer to be stored on and used by the wireless peripheral device to unwrap the transport private key-wrapped temporary key used to verify the pairing of the wireless peripheral device assigned to the backend-coupled information handling system when the peripheral device provides the PD ID.

5. The information handling system of claim 1 further comprising:
the network interface device sending instructions to the backend-coupled information handling system including a received signal strength indicator (RSSI) threshold level to be used at the backend-coupled information handling system to detect a RSSI value to compare to the RSSI threshold level prior to initiating pairing with the wireless peripheral device.

6. The information handling system of claim 1 wherein sending the transport private key-wrapped temporary key and PD ID associated with the peripheral device includes transmitting the transport private key-wrapped temporary key and PD ID via an encrypted communication channel to the backend-coupled information handling system.

7. The information handling system of claim 1 further comprising:
receiving the PD ID associated with the peripheral device received from a manufacturer of the peripheral device includes receiving the PD ID via a secure transport layer security encrypted channel.

8. A backend-coupled information handling system comprising:
a hardware processor;
a memory device;
a power management unit (PMU) to provide power to the processor and memory device;
the hardware processor executing computer readable program code of an automatic peripheral device pairing management system pairing agent to receive purchaser information of a purchaser of a wireless peripheral device from a manufacturer of the wireless peripheral device, a peripheral device identification (PD ID) and a transport private key-wrapped temporary key associated with the wireless peripheral device from a backend management server, wherein the backend management server establishes the PD ID and transport private key-wrapped temporary key associated with the wireless peripheral device during a pairing assignment to the backend-coupled information handling system;
the hardware processor conducting the pairing assignment of the wireless peripheral device with the backend-coupled information handling system based on the purchaser information, wherein the purchaser information comprises one or more of: a street address of the purchaser, purchase date of the wireless peripheral device and purchaser identification;
the memory device accessible by the hardware processor storing the transport private key-wrapped temporary key and PD ID associated with the wireless peripheral device and assigned to the backend-coupled information handling system;
a wireless adapter establishing an out-of-band (OOB) short-range wireless communication with the wireless peripheral device to receive a PD ID in a pairing request from the wireless peripheral device and the backend-coupled information handling system transmitting a copy of the transport private key-wrapped temporary key to the wireless peripheral device;
the hardware processor determining when there is a match of the received PD ID from the wireless peripheral device with the stored PD ID, wherein a request for a public key is transmitted upon successfully determining there is a match; and
the hardware processor to unwrap an out-of-band temporary key (OOB TK) from the transport private key-wrapped temporary key using the public key received on the fly, and use the unwrapped OOB TK to verify a matching peripheral device temporary key at the wireless peripheral device to establish a wireless link with the wireless peripheral device, wherein the wireless link is established pair the wireless peripheral device with the backend-coupled information handling system using a short-range wireless technology used for connecting devices.

9. The backend-coupled information handling system claim 8 further comprising:
the wireless adapter establishing the OOB short-range wireless communication with the wireless peripheral device includes detecting whether the peripheral device identification (PD ID) provided by the wireless peripheral device

Assignees

• Dell Products Lp

Inventors

• Boyapalle Anantha K
• Wong Kai Leong
• Grobelny Nicholas D

Classifications

• H04W12/041

  Key generation or derivation · CPC title

• H04W12/037 Primary

  of the control plane, e.g. signalling traffic · CPC title

• H04L9/0819

  Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) (network architectures or network communication protocols for key distribution in a packet data network H04L63/062) · CPC title

• H04W12/50 Primary

  Secure pairing of devices · CPC title