Multi-destination challenge-response security tokens
US12231585B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | May 17, 2022 |
| Grant date | Feb 18, 2025 |
| Priority date | — |
| Expiry date | Mar 29, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3247
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a secure challenge-response method includes requesting respective token challenges from devices, receiving the respective token challenges from the devices, providing the respective token challenges to a signing server, receiving from the signing server a signature of the respective token challenges signed with a private key of the signing server, and providing to a given device of the devices a request to perform an operation, the request including the signature and the respective token challenges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.