Method and system for secure data sharing
US10637833B2 · kind B2 · utility
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3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2014 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | May 6, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2127
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of protecting data is disclosed herein. The method comprises: encrypting a data in a protected data item using a first encryption key; and encrypting the first encryption key in the protected data item using a second encryption key that is unique to the protected data item, wherein the unique second encryption key is derived from a third encryption key in the protected data item and to a plurality of protected data items comprising a common characteristic shared with the protected data item.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.