Public-Key-Infrastructure Based on a Peer-to-Peer Network

Authors:
Thomas Wölfl
Affiliations:
University of Regensburg
Venue:
HICSS '05 Proceedings of the Proceedings of the 38th Annual Hawaii International Conference on System Sciences - Volume 07
Year:
2005

Citing 0
Cited 2

Chord-PKI: A distributed trust infrastructure based on P2P networks

Computer Networks: The International Journal of Computer and Telecommunications Networking
Chord-PKI: embedding a public key infrastructure into the chord overlay network

EuroPKI'07 Proceedings of the 4th European conference on Public Key Infrastructure: theory and practice

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Abstract

The goal of a Public-Key-Infrastructure (PKI) is to prove whether a cryptographic public key is authentic for a certain user. This information is crucial for the reliability of asymmetric cryptographic methods. A widespread PKI has to handle an enormous number of queries for cryptographic certificates which attest the authenticity of public keys. For certain use cases a decentralized organization of the PKI is advantageously. Therefore the author developed a specialized Peer-to-Peer-PKI realizing efficient search and transfer of certificates and trust-recommendations. It is based on a combination of a logic calculus model for PKIs and a scalable Peer-to-Peer lookup protocol. This distributed approach offers advantages in comparison to hierarchical or centralized systems in terms of fault resistance, load distribution, self administration and independence of an operating organization.