Key rotation for encrypted storage media
US8943328B2 · kind B2 · utility
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11References
20Claims
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Key dates
| Filing date | Jan 29, 2010 |
| Grant date | Jan 27, 2015 |
| Priority date | — |
| Expiry date | Apr 7, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/06
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An I/O module is provided to service I/O requests from a host to access storage media. Data blocks of the storage media are encrypted with an old key, and the I/O module performs key rotation to cause data blocks to be re-encrypted with a new key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.