Secure data downloading, recovery and upgrading
US6381741B1 · kind B1 · utility
70Cited by
45References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 18, 1998 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | May 18, 2018 |
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 down-loading, 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.