Key generating device and key generating method
US9240882B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2012 |
| Grant date | Jan 19, 2016 |
| Priority date | — |
| Expiry date | Dec 14, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0861
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
According to an embodiment, a key generating device connected to an external device includes a generating unit configured to generate an encryption key; a first communicating unit configured to transmit and receive the encryption key to and from the external device; a storage unit configured to stores therein state information indicating a communication state with respect to an application using the encryption key; and a controller configured to make a control of changing a frequency at which the generating unit generates the encryption key or a frequency at which the first communicating unit transmits and receives the encryption key according to the state information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.