Secure data downloading, recovery and upgrading
US6341373B1 · kind B1 · utility
85Cited by
32References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 1, 2000 |
| Grant date | Jan 22, 2002 |
| Priority date | — |
| Expiry date | Dec 1, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/57
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention provides an improved method and system for secure downloading, recovery, and upgrading of data. A client device receives information from a server device using a reliable software modules stored in permanent memory in the client device. The reliable software modules perform software and data integrity tests, and locate and retrieve data for recovery or upgrade of the client device. The client device confirms the trustworthiness of the received information device by comparing digital signatures or digests for the information it receives with known digital certificates in the reliable software module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.