Method and apparatus for securing portions of memory
US7631160B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2001 |
| Grant date | Dec 8, 2009 |
| Priority date | — |
| Expiry date | Jun 29, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/1483
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides a method and apparatus for securing portions of a memory. The method includes identifying information for protection and indicating at least one physical address of a memory that houses the information as at least one of read and write disabled. The method includes receiving a request from a program to access the information. The method further includes accessing the information in response to determining that the program has the authority to access the information. The apparatus includes a memory comprising a privileged code. The privileged code is capable of receiving a request to protect selected information and indicating at least one physical address of a memory housing the information as at least one of read and write disabled. The privileged code is capable of receiving a request from a program to access the information. The privileged code is further capable of accessing the information in response to determining that the program has the authority to access the information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.