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Entwurf und Implementierung von Sicherheitsmechanismen für IBR-DTN

SupervisorDr. Johannes Morgenroth
ProfessorProf. Dr.-Ing. Lars Wolf
ProjectOPTraCom
IBR GroupCM (Prof. Wolf)
TypeBachelor Thesis
Statusfinished
Start2010-06-28

Aufgabe

In einem Delay Tolerant Network (DTN) werden größere Datenmengen zu Bündeln zusammengefasst und nach dem Store-Carry-Forward Prinzip an das gewünschte Ziel übertragen. Während ein Bündel in einem Knoten darauf wartet an einen anderen Knoten weitergeleitet zu werden, muss dieses in einem persistenten Speicher gelagert werden. Die Software IBR-DTN ist eine Implementierung des Bundle Protocol (RFC5050) für die OpenWRT Plattform, welche es ermöglicht ein DTN mit besonders energiearmen Knoten aufzubauen.

Die Sicherung eines Netzes kann mit Hilfe der Bundle Security Protocol Specification erfolgen. Dazu können die Bündel verschlüsselt und signiert werden, wobei dies von Ende-zu-Ende oder auch von Knoten zu Knoten durchgeführt werden kann. Derzeit fehlt der IBR-DTN Implementierung die Funktionalität Bündel vor Manipulation oder Einblicken Dritter zu schützen. Die Aufgabe dieser Arbeit soll es daher sein, die dafür notwendigen Erweiterungen zu planen und umzusetzen.

Anforderungen

  • Grundkenntnisse im Bereich von eingebetteten Plattformen
  • C++ Programmierung
  • Grundlagenkenntnisse von Verschlüsselung und Signierung hilfreich

Links

  • Webseite der DTN Research Group
  • RFC 5050
  • Bundle Security Protocol Specification

last changed 2010-11-05, 16:52 by Dr. Johannes Morgenroth

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