System and method for generating symmetric keys within a personal security device having minimal trust relationships
US6973191B2 · kind B2 · utility
9Cited by
2References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2001 |
| Grant date | Dec 6, 2005 |
| Priority date | — |
| Expiry date | May 27, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/40975
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A data processing method and system for generating a unique symmetric key inside a PSD having limited trust relationships between PSD manufacture, PSD issuer, subsequent service providers and a trusted third party.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.