Method for processing information in an electronic device, a system, an electronic device and a processing block
US7437574B2 · kind B2 · utility
20Cited by
93References
85Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2002 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Mar 15, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2107
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Processing information in an electronic device is carried out by at least one processing block for controlling the operation of the electronic device, and a memory. At least a first private key is used for processing information. At least a protected mode and a normal mode are established in the processing block. Part of the memory can be accessed only in said protected mode. At least said first private key is stored in the memory that is accessible in said protected mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.