Computer Science – Cryptography and Security
Scientific paper
2006-06-14
Computer Science
Cryptography and Security
Poster presentation at the ISSA 2006 From Insight to Foresight Conference, Sandton, South Africa, 5th-7th July 2006
Scientific paper
We present a concept to achieve non-repudiation for natural language conversations by electronically signing packet-based, digital, voice communication. Signing a VoIP-based conversation means to protect the integrity and authenticity of the bidirectional data stream and its temporal sequence which together establish the security context of the communication. Our concept is conceptually close to the protocols that embody VoIP and provides a high level of inherent security. It enables signatures over voice as true declarations of will, in principle between unacquainted speakers. We point to trusted computing enabled devices as possible trusted signature terminals for voice communication.
Hett Christian
Kuntze Nicolai
Schmidt Andreas U.
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