Segmented mapping
US8533470B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2011 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Jul 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Described are methods and apparatus, including computer program products for masking data. The inventions involves receiving a mapping scheme with a number of segments and a different cryptographic algorithm for each segment and then receiving a target value to be masked. The target value is then split into a number of segments based on the number of segments of the mapping scheme and the cryptographic algorithm is applied for each segment in the mapping scheme to each segment of the target value to generate an encrypted segment for each segment in the target value. Then, the encrypted segments are concatenated to create a masked value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.