Combined hardware and software based encryption of databases

Details Combined hardware and software based encryption of databases Combined hardware and software based encryption of databases

2005-11-08

2005-11-08

Barron, Jr., Gilberto (Department: 2132)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

Tamper resistant

C713S193000

Reexamination Certificate

active

06963980

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.

REFERENCES:
patent: 5983350 (1999-11-01), Minear et al.
patent: WO9749211 (1997-12-01), None
Ulf Dahl, “Method and Apparatus fro Data Processing”, WO 97/492211.

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