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A PKI-free key agreement protocol for P2P VoIP applications | IEEE Conference Publication | IEEE Xplore

A PKI-free key agreement protocol for P2P VoIP applications


Abstract:

The security of the protocols involved in peer-to-peer communications is becoming a fundamental prerequisite for their widespread diffusion. In this paper, we propose a n...Show More

Abstract:

The security of the protocols involved in peer-to-peer communications is becoming a fundamental prerequisite for their widespread diffusion. In this paper, we propose a new protocol for establishing a security association between two peers willing to set up a VoIP or multimedia communication through the standard SIP protocol. Our proposal is based on the MIKEY protocol and the Diffie-Hellman algorithm for key establishment, in a ZRTP like way. Beside this shared-secret-free method, we allow also the authentication via peer certificates without using any centralized PKI. An opportune distributed certificate management is also described. The proposed method has been also implemented and integrated in an open source SIP UA.
Date of Conference: 10-15 June 2012
Date Added to IEEE Xplore: 29 November 2012
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Conference Location: Ottawa, ON, Canada

References

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