Replacing keys in a computer system
US10257176B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2015 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Mar 4, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/0431
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A first private key used by a device is replaced by a second private key, the first private key having an associated public key. The second private key is secured based on the associated public key and communicated to replace the first private key at the device. The device receives the second private key. The first private key is secured by a secret, and the device uses the secret to decrypt the first private key. The second private key is then encrypted using the decrypt first private key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.