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Secure group key agreement [PDF]
, 2004 Mit der Verbreitung offener Netze, insbesondere des Internets, fand auch die Gruppenkommunikation eine rasante Verbreitung. Eine Vielzahl heutiger Protokolle sind gruppen-orientiert: angefangen bei Multicast-Diensten in der Netzwerkschicht bis hin zu Videokonferenzsystemen auf der Anwendungsschicht. Alle diese Dienste haben Sicherheitsanforderungen wie
Steiner, Michael
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Post-quantum Group Key Agreement Scheme [PDF]
, 2020 Progress in quantum technologies forces the development of new cryptographic primitives that are resistant to attacks of an adversary with a quantum computer. A large number of key establishment schemes have been proposed for two participants, but the area of group post-quantum key establishment schemes has not been studied a lot.
Julia Bobrysheva, Sergey Zapechnikov
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Exploring robustness in group key agreement
Proceedings 21st International Conference on Distributed Computing Systems, 2000Secure group communication is crucial for building distributed applications that work in dynamic environments and communicate over unsecured networks (e.g. the Internet). Key agreement is a critical part of providing security services for group communication systems.
Yair Amir +5 more
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On the performance of group key agreement protocols
Proceedings 22nd International Conference on Distributed Computing Systems, 2003Group key agreement is a fundamental building block for secure peer group communication systems. Several group key management techniques were proposed in the last decade, all assuming the existence of an underlying group communication infrastructure to provide reliable and ordered message delivery as well as group membership information.
Yair Amir +3 more
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Key agreement in dynamic peer groups
IEEE Transactions on Parallel and Distributed Systems, 2000As a result of the increased popularity of group-oriented applications and protocols, group communication occurs in many different settings: from network multicasting to application layer tele- and videoconferencing. Regardless of the application environment, security services are necessary to provide communication privacy and integrity.
Michael Steiner 0001 +2 more
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Group key agreement efficient in communication
IEEE Transactions on Computers, 2004In recent years, collaborative and group-oriented applications and protocols have gained popularity. These applications typically involve communication over open networks; security thus is naturally an important requirement. Group key management is one of the basic building blocks in securing group communication.
Yongdae Kim, Adrian Perrig, Gene Tsudik
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Flexible Robust Group Key Agreement
IEEE Transactions on Parallel and Distributed Systems, 2011A robust group key agreement protocol (GKA) allows a set of players to establish a shared secret key, regardless of network/node failures. Current constant-round GKA protocols are either efficient and nonrobust or robust but not efficient; assuming a reliable broadcast communication medium, the standard encryption-based group key agreement protocol can
Stanislaw Jarecki +2 more
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2006
Especially for key establishment protocols to be used in internet applications, the (privacy) concern of deniability arises: Can a protocol transcript be used—possibly by a participant—to prove the involvement of another party in the protocol? For two party key establishment protocols, a common technique for achieving deniability is the replacement of ...
Jens-Matthias Bohli, Rainer Steinwandt
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Especially for key establishment protocols to be used in internet applications, the (privacy) concern of deniability arises: Can a protocol transcript be used—possibly by a participant—to prove the involvement of another party in the protocol? For two party key establishment protocols, a common technique for achieving deniability is the replacement of ...
Jens-Matthias Bohli, Rainer Steinwandt
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Group-Based Authentication and Key Agreement
Wireless Personal Communications, 2010This paper presents an authentication and key agreement protocol to streamline communication activities for a group of mobile stations (MSs) roaming from the same home network (HN) to a serving network (SN). In such a roaming scenario, conventional schemes require the SN to interact with the HN for authenticating respective MSs, at the cost of repeated
Yu-Wen Chen +3 more
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A Group Key Agreement Scheme Revisited
2008 The Fourth International Conference on Information Assurance and Security, 2008In PKC'2004, a constant-round group key exchange protocol is proposed. It takes advantage of the properties of the ElGamal encryption scheme combined with the standard secret sharing technique. In this paper, we show that the scheme can be greatly simplified because the standard secret sharing technique does not work well.
Zhengjun Cao, Lihua Liu 0001
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