Patent · US Expired

Combined hardware and software based encryption of databases

US6963980B1 · kind B1 · utility

118Cited by
1References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 16, 2000
Grant dateNov 8, 2005
Priority date
Expiry dateMay 5, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F21/6227
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A relational database system for encryption of individual data elements comprising a encryption devices of at least two different types, the types being tamper-proof hardware and software implemented. The encryption processes of the system are of at least two different security levels, differing in the type of encryption device holding the process keys for at least one of the process key categories and also differing in which type of device executing the algorithm of the process. Each data element to be protected is assigned an attribute indicating the usage of encryption process of a certain security level.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.