Method for encrypting database supporting composable SQL query
US11734448B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2022 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Aug 16, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2107
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed is a database encryption method supporting composable SQL query, which mainly comprises the following steps: (1) a user encrypting and preprocessing data based on the encryption scheme provided by the present disclosure and uploading an encryption result and preprocessed data to a service provider; (2) setting and uploading a SQL query instructions: the user uploads the query instruction to the service provider according to actual needs, and uploads auxiliary parameters for the query instruction at the same time; (3) data query: the service provider performs SQL query according to the query instruction and auxiliary parameters received from the user, saves a calculation result, updates the data and returns a query result to the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.