Data processing device
US10650168B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2016 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Feb 12, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2149
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data processing device with a processor, a memory and an access control mechanism, the device having secure and non-secure modes, the memory having secure and non-secure regions, the secure region containing cryptographic data, and the access control mechanism preventing the processor from reading the cryptographic data when the device is operating in the non-secure mode. Also, methods of manufacturing and authenticating such a device, manufacturing an item of electronic equipment that includes such a device, a computer program for storing data on such a device, secure data processing hardware including such a computer program and a method of updating data stored in an item of electronic equipment including such a data processing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.