Security and Privacy for Adhoc Networks Masters Thesis in ICT

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Security and Privacy for Ad-hoc NetworksMasters
Thesis in ICT

• Audun Pettersen
• Frode Åsen
• 14 June 2006

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Agenda

• Introduction
• The research problems
• Methodology
• Proposed Solution
• Secure Side Channel (SSCh)
• Pseudo Random generated Identity (PRI)
• Conclusions

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Introduction

• Wireless Ad-hoc Network
• Intended for military and relief situations
• Establishment almost anywhere needed
• Very dynamic
• Increasing popularity

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The research problems

• Everyone is able to listen on the air.
• Deriving problems into related issues
• Trust
• Security
• Privacy
• Anonymity

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Methodology

• Deriving various issues
• Based on comprehensive literature study
• Understanding state of the art
• Development theoretical solution

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Proposed Solution SSCh

• Secure Side Channel (SSCh)
• Isolated communication channel
• Short range (Require physical encounter)
• Point-to-point
• Exchange of security
• credentials
• Establish trust and
• security

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Proposed Solution PRI

• Pseudo Random generated Identity (PRI)
• Able to replace MAC address at layer two in the
  OSI-model
• Generation of new
• identity whenever
• needed
• Preserve anonymity
• and privacy

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Conclusions

• Benefits
• Solves several problems
• Improve both security and privacy
• Drawbacks
• Create some new issues
• Benefits at the expense of user-friendliness