Relational database management encryption system
US7269729B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2001 |
| Grant date | Sep 11, 2007 |
| Priority date | — |
| Expiry date | Jan 10, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0825
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed is a method of internally encrypting data in a relational database, comprising the steps of providing a security dictionary comprising one or more security catalogs, receiving data from a user associating said data with a database column and at least one authorized user, generating a working encryption key, internally encrypting said working encryption key using a public key from an authorized user, storing said encrypted working key in a security catalog, and using said working key to internally encrypt said data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.