Method and apparatus for controlling access to encrypted data
US9342699B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 6, 2013 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Jun 21, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for controlling access to encrypted data is provided. The device comprises: a processor and a memory, the processor configured to: control access to encrypted data, stored at the memory, the encrypted data categorized according to a plurality of categories, using a respective encryption key for each category in the plurality of categories; and, control access to a given encryption key according to given criteria associated with a given category, respective criteria different for each respective category, access to the given encryption key including one or more of, when the respective criteria are met: generating the given encryption key and decrypting the given encryption key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.