Semiotic system and method with privacy protection
US7761715B1 · kind B1 · utility
13Cited by
19References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1999 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Mar 19, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3236
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method (as well as system and signal-bearing medium) of processing biometric data, includes receiving biometric data including a data set P, selecting a secure hash function h, and for each data set P to be collected, computing h(P), destroying the data set P, and storing h(P) in a database, wherein data set P cannot be extracted from h(P).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.