Secure data storage and retrieval in a client-server environment
US7010689B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2000 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Jul 3, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3073
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods, systems and computer program products are provided for controlling access to digital data in a file by obtaining a passphrase from a user and generating a personal key based on the obtained passphrase. A file encryption key is generated and the digital data in the file encrypted with the file encryption key to provide an encrypted file. The file encryption key is encrypted with the personal key to provide an encrypted file encryption key. A file header containing the encrypted file encryption key and associated with the encrypted file. The encrypted file and the file header associated with the encrypted file may be stored at a file server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.