Data security for distributed file systems
US7222231B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2001 |
| Grant date | May 22, 2007 |
| Priority date | — |
| Expiry date | May 15, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2141
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for data security for a distributed file system. A distributed file system interface is coupled to the one or more client applications, and a storage server and a meta-data server are coupled to the distributed file system interface. The meta-data server receives open-file requests from the distributed file system interface and in response creates a security object. The meta-data server also generates an partial encryption key and stores the partial encryption key in the security object. The block storage server completes the encryption key, and the meta-data server encrypts the list of blocks that are in the file and stores the encrypted block list in the security object. The security object is then returned to the distributed file interface and used in subsequent file access requests.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.