Patent · US Expired

Relational database management encryption system

US7269729B2 · kind B2 · utility

18Cited by
0References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 2001
Grant dateSep 11, 2007
Priority date
Expiry dateJan 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.