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The Quest for Security in Mobile Ad Hoc Networks

Jean-Pierre HubauxInstitute for ComputerCommunications and

ApplicationsSwiss Federal Institute ofTechnology Lausanne

CH-1015, Switzerland

Levente ButtyanInstitute for ComputerCommunications and

ApplicationsSwiss Federal Institute ofTechnology Lausanne

CH-1015, Switzerland

Srdan CapkunInstitute for ComputerCommunications and

ApplicationsSwiss Federal Institute ofTechnology Lausanne

CH-1015, Switzerland

ABSTRACT

1. INTRODUCTION

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2. THREATS

2.1 Vulnerabilities of the basic mechanisms

2.2 Vulnerabilities of the security mechanisms

3. PROTECTION OF THE BASIC MECHA-

NISMS

3.1 Tamper resistance

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3.2 Routing-based mechanisms

3.3 Neighborhood

3.4 Service enforcement

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5

4

1700

695

97

98

681

684

R1

R2

source

destination

packet with packet pursecontaining 4 nuglets

node purse

before and after

packet transfer

4

681

684

4. PROTECTING THE SECURITY MECH-

ANISMS

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4.1 Emulation of a certification authority

4.2 Key agreement

5. SELF-ORGANIZED PUBLIC-KEY

INFRASTRUCTURE

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5.1 Model and framework

uv

subgraph ofu

subgraph ofv

path fromu tov

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5.2 The Shortcut Hunter algorithm

5.3 Evaluation of Shortcut Hunter

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5.4 Dishonest users

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6. CONCLUSION

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7. ACKNOWLEDGEMENTS

8. REFERENCES