MAC aggregation resilient to denial-of-service attacks for use in a multi-node data network
US8621228B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2011 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Sep 20, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/1458
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An improved MAC aggregation technique is disclosed that yields an aggregate MAC much shorter than the concatenation of constituent MACs while achieving improved resilience to denial-of-service (DoS) attacks. The aggregate MAC is constructed in a manner wherein upon instance of channel impairments or malicious attack (e.g., from a rogue node or man-in-the-middle attacker), only a portion of the aggregate MAC will include corrupted data, at least a portion of the aggregate MAC thereby including valid verifiable data. A source of corruption of the aggregate MAC may be ascertained based on indicia of which constituent MACs are included in the valid portion; and constituent MACs that are wholly included in the valid portion may be declared valid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.