Mobile device security using a secure execution context
US11336684B2 · kind B2 · utility
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2References
19Claims
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Inventors
Key dates
| Filing date | Mar 5, 2020 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Jul 4, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A device includes a secure execution context that is segregated from an operating system of the device. A security application executing in the operating system interfaces with the secure execution context to obtain verified data. The secure execution context may verify that operating system files are free of malware, obtain sensor readings that may be cryptographically signed, verify functioning of a baseband processor, and verify other aspects of the function and security of the device. The verified data may be used for various purposes such as verifying location of the device, training a machine learning model, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.