Cryptographically authenticated communication
US9900158B2 · kind B2 · utility
0Cited by
2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2012 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Mar 23, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/141
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system for cryptographically authenticated communication, wherein an activation signal is sent from a communications device to a memory device (410). The memory device derives a random challenge from at least one physical property of the activation signal and sends it back to the communications device (420). A signature is computed using the received random challenge (440) and sent, together with a certificate, to the memory device (450).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.