System for cancelable biometric feature data generation
US12411922B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2021 |
| Grant date | Sep 9, 2025 |
| Priority date | — |
| Expiry date | Sep 23, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/088
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Provided is a registration information generation apparatus for generating registration information based on registration-side input information including one or both of elements corresponding to a first set and elements corresponding to a second set, the registration information generation apparatus being configured to generate intermediate information by performing distribution processing for performing secret-sharing for the elements corresponding to the first set in input information, and a duplication processing for duplicating the elements corresponding to the second set in input information, and generate the registration information by replacing a sort order of elements in the intermediate information using a replacement key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.