Root key compromise recovery
US5680458A · kind A · utility
49Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1995 |
| Grant date | Oct 21, 1997 |
| Priority date | — |
| Expiry date | Nov 14, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of recovering from a compromise of a root key which is the private key of a first public key-private key pair, the method including the steps of electronically sending out an emergency message indicating that the root key has been compromised and also containing a replacement key and a digital signature which was generated by using the root key; and publishing in an out-of-band channel a value V, wherein V is derived from the emergency message.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.