Enhancing data security using re-encryption
US9037861B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2013 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Apr 19, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0464
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A data source may be configured to provide usage data including subscriber identifiers and associated information indicative of subscriber device locations and usage. A data warehouse server may be configured to perform operations including: decrypting subscriber identifiers included in usage data received from the data source using a two-way rolling key groups algorithm; re-encrypting the subscriber identifiers decrypted from the usage data to create secure encrypted identifiers using a one-way secured encryption algorithm; and correlating the subscriber identifiers in the decrypted usage data with the corresponding re-encrypted identifiers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.