Key distribution system
US5812664A · kind A · utility
124Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 1996 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Sep 6, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/00879
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
This invention is a system for producing and distributing new decryption keys to verifiers. Verifier decryption key updates are printed in a secure manner on paper or postcards and mailed to the owners of the verifiers. The paper or postcards containing the verifier decryption key is scanned into the verifier and the verifier's key file is updated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.