Securing a secret of a user
US9219730B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 4, 2015 |
| Grant date | Dec 22, 2015 |
| Priority date | — |
| Expiry date | Feb 4, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/107
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods, systems and apparatuses for securing a secret of a user are disclosed. One method includes one or more adjudicator devices providing a plurality of public keys, wherein each of the plurality of public keys has a corresponding at least one adjudicator, and a corresponding secret key, receiving, by the one or more adjudicator devices, a plurality of encrypted shares that were generated based on a secret of the user, a policy, and the plurality of public keys, and verifying that the plurality of encrypted shares can be used to reconstitute the secret upon receiving the plurality of encrypted shares, wherein the secret can be reconstructed, without access to the secret.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.