Relay device, detection method, and detection program
US11102218B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Mar 15, 2018 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Jul 2, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/121
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A relay device performs relay processing of relaying data between a plurality of function units mounted on a vehicle and includes a counting unit that counts each of the numbers of relayed packets that are the numbers of packets relayed to respective target function units being the plurality of function units of a same type in the relay processing and a detection unit that monitors a count value of the numbers counted by the counting unit and detects unauthorized communication with the target function units based on a maximum value and a minimum value of the numbers of relayed packets counted by the counting unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.