Secure data storage and retrieval with key management and user authentication
US6947556B1 · kind B1 · utility
299Cited by
20References
66Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2000 |
| Grant date | Sep 20, 2005 |
| Priority date | — |
| Expiry date | Nov 27, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2141
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods, systems and computer program products are provided which provide for controlling access to digital data in a file by encrypting the data with a first key, encrypting the first key with a second personal key generated from a password/passphrase associated with the file and further encrypting the encrypted first key with a control key which is managed by the system. In certain embodiments, user authentication may also be provided by issuing a ticket which is utilized to create, access and administer the files in the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.