Memory protection in hypervisor environments
US11726922B2 · kind B2 · utility
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4References
20Claims
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Key dates
| Filing date | Feb 25, 2020 |
| Grant date | Aug 15, 2023 |
| Priority date | — |
| Expiry date | Oct 11, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/50
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods, systems, and computer program products for memory protection in hypervisor environments are provided herein. A method includes maintaining, by a memory management layer of a hypervisor environment, a blockchain-based hash chain associated with a page table of the memory management layer, the page table corresponding to a plurality of memory pages; and verifying, by the first memory management layer, content obtained in connection with a read operation for a given one of the plurality of memory pages based at least in part on hashes maintained for the given memory page in the blockchain-based hash chain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.