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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Pseudonym Generation Scheme for Ad-Hoc Group Communication Based on IDH
verfasst von : Mark Manulis, Jörg Schwenk
Erschienen in: Security in Ad-hoc and Sensor Networks
Verlag: Springer Berlin Heidelberg
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In this paper we describe the advantages of using iterative Diffie-Hellman (IDH) key trees for mobile ad-hoc group communication. We focus on the Tree-based Group Diffie-Hellman (TGDH) protocol suite, that consists of group key agreement protocols based on IDH key trees. Furthermore, we consider the anonymity of members during group communication over a public broadcast channel that provides untraceability of messages. The main goal of the proposed pseudonym generation scheme is to allow group members to generate their own pseudonyms that can be linked to their real identities only by a democratic decision of some interacting group members. The real identities are bound to public keys used in the group key agreement. The communication and computation costs as well as the security of the scheme can be optimized with respect to the characteristics of involved mobile devices.