Digital key derivation distribution between a secure element and ultra-wide band module
US12328572B2 · kind B2 · utility
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27Claims
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Key dates
| Filing date | Apr 23, 2021 |
| Grant date | Jun 10, 2025 |
| Priority date | — |
| Expiry date | Apr 23, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Certain aspects of the present disclosure provide techniques for secure digital key derivation for a ranging session between a first device (e.g., a user equipment (UE)) and a second device (e.g., a vehicle). According to certain aspects, a first device maintains a secure ranging in a secure element (SE) at the first device. The first device further fetches, from the SE, one or more other keys derived from the secure ranging key. The first device further uses the one or more other keys to secure a ranging session between the first device and a second device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.