Cryptographic certification of secure hosted execution environments
US9425965B2 · kind B2 · utility
23Cited by
65References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2012 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | Feb 13, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/034
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Implementations for providing a persistent secure execution environment with a hosted computer are described. A host operating system of a computing system provides an encrypted checkpoint to a persistence module that executes in a secure execution environment of a hardware-protected memory area initialized by a security-enabled processor. The encrypted checkpoint is derived at least partly from another secure execution environment that is cryptographically certifiable as including another hardware-protected memory area established in an activation state to refrain from executing software not trusted by the client system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.