System and method for performing a conjunctive keyword search over encrypted data
US7783899B2 · kind B2 · utility
12Cited by
2References
34Claims
0Family size
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Key dates
| Filing date | Dec 9, 2004 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Nov 22, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F21/6245
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method for providing a conjunctive keyword search over encrypted data is presented. A plurality of encrypted data is maintained. Each encrypted data includes a plurality of keyword fields that each contain a keyword. The keywords for the keyword fields are encrypted for each encrypted data. A capability is generated for two or more such encrypted keywords that includes a plurality of parameters defining a conjunctive keyword search. The capability is sent from a requestor to a server. The capability is applied to the encrypted keywords with the server to generate a result and the result is provided to the requestor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.