Anonymous principals for policy languages
US8955035B2 · kind B2 · utility
7Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2010 |
| Grant date | Feb 10, 2015 |
| Priority date | — |
| Expiry date | Oct 5, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/42
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Techniques to allow a security policy language to accommodate anonymous credentials are described. A policy statement in a security policy language can reference an anonymous credential. When the policy statement is evaluated to decide whether to grant access to a resource mediated by the policy statement, the anonymous credential is used. The policy language can be implemented to allow one anonymous credential to delegate access-granting rights to another anonymous credential. Furthermore, an anonymous credential can be re-randomized to avoid linkage between uses of the anonymous credential, which can compromise anonymity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.