Message formatting, authentication, and error detection in home control systems
US6348875B1 · kind B1 · utility
48Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1999 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Jul 6, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/123
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system communicates over electrical wiring in a house or other building. Messages between components include a group identifier code, message data, and a message authentication code (MAC) that is calculated for each message. MACs are calculated using a shared key value and a one-way hash function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.