MOCA: Mobile Certificate Authority for Wireless Ad Hoc Networks

PKI in a New Environment

Trust in
an Untrusted Network

Target Scenario

Requirements for Ad Hoc PKI

Naïve Approaches

A Better Approach :
Use Threshold Cryptography

Threshold Crypto Parameters

Related Research

MOCA
(Mobile Certificate Authority)

Certification Protocol

Flooding-based
Certification Protocol

Reducing Communication Overhead

Certification Protocol Continued

Unicast-based
Certification Protocol

Making MOCA More Robust

Evaluation

Flooding Vs. Unicast

Flooding Vs. Unicast

Flooding Vs. Unicast

Unicast Usage

Overhead

Success Ratio

Response Timeliness

Evaluation Summary

Future Work

Conclusion

Contact Information