Patent · US Expired

Secure data processing method

US6789195B1 · kind B1 · utility

227Cited by

7References

20Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Heinz Prihoda · Nuremberg, DE
Volker Schmidt · Lexington, US
Werner Striebel · Schwarzenbruck, DE
Michael Becker · Knittlingen, DE
Gregor De Lijzer · Wien, AT

Key dates

Filing date	Jun 7, 2000
Grant date	Sep 7, 2004
Priority date	—
Expiry date	Oct 12, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG06F2221/2141
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method for the processing of data which are stored in at least one database in at least partially encrypted form, in which case the data can be read by a user communicating with the database via a communications link and, if necessary, new data can be stored, in which case the data are decrypted and/or encrypted exclusively by the user using a key which is stored in a central further database and can be transmitted exclusively to the authorized user.

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