Protection of data from virtual machine clones via paravirtualization
US8775715B2 · kind B2 · utility
21Cited by
0References
26Claims
0Family size
Assignee
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Key dates
| Filing date | May 30, 2012 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Dec 29, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2009/45587
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method for protecting secure data from virtual machine clones are disclosed. In accordance with one embodiment, a hypervisor receives a message from a guest operating system hosted by a first virtual machine, where the message identifies a memory location (e.g., of main memory, of a storage device, etc.) for a secure datum. After the hypervisor receives a direct-copy command to clone the first virtual machine, the hypervisor creates a second virtual machine via direct copy, where the second virtual machine is not provided access to the secure memory location during its creation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.