Cryptographic module to generate cryptographic keys from cryptographic key parts
US11088835B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2018 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Sep 5, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A cryptographic module has an input/output port to receive a first temporary key. A processor receives the first temporary key from the input/output port. A secure authentication key memory is connected to the processor. A temporary key generator is connected to the processor to produce a second temporary key for routing to the input/output port. A cryptographic salt generator is connected to the processor to produce cryptographic salt. A cryptographic key generator is connected to the processor to process key parts derived from the first temporary key, the second temporary key and the cryptographic salt to produce cryptographic keys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.