Bridging Broadcast Encryption and Group Key Agreement

Wu, Qianhong; Qin, Bo; Zhang, Lei; Domingo-Ferrer, Josep; Farràs, Oriol

doi:10.1007/978-3-642-25385-0_8

Cited by 36 publications

(16 citation statements)

References 34 publications

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“…The limitation of this scheme is the slow reaction to node's behavior. All those schemes are distributed patterns except RIW [9]. RIW is a centralized pattern, it uses the idea of the three-window weighted average to get a reputation estimation and control process, the limitation of that scheme is that the value of the weight parameter is critical and the literature doesn't propose any parameter extraction method.…”

Section: Related Workmentioning

confidence: 99%

Mutual Reputation Based Trust Generator for Space-Air-Ground Integrated Network

Maamar¹,

Liu²,

Roca³

2016

dtetr

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Abstract. Full-dimensional Integrated Networks such as Space-Air-Ground Integrated Network (SAGINet) are considered an encouraging concept, unfortunately, they are exposed to a wide range of attacks due to their high dynamic, self-organizing, distribution and time-varying characteristics. We believe that scheming a dependable trust generator can mitigate a large variety of attacks. In this paper we propose a mathematical interpretation approach that extracts an accurate reputation value from the cluster. The proposed reputation generator is powered by the objective listening log and the authentication log. The reputation measurement is more realistic since it uses the link quality estimation to exact the reputation index. The trust system exploits the reputation index to detect and prevent attacks and exploits the mutual reputation to serve for the pathrater and network optimization.

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Section: Related Workmentioning

confidence: 99%

Mutual Reputation Based Trust Generator for Space-Air-Ground Integrated Network

Maamar¹,

Liu²,

Roca³

2016

dtetr

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“…Recent references paid more attentions to contributory and collaborative group key agreement [14,46,24,25,1,2], etc. Recently, the concepts of asymmetric group key agreement and contributory broadcast encryption were proposed [42,43]. An asymmetric group key agreement (ASGKA) protocol [42] lets the group members negotiate a shared encryption key instead of a common secret key.…”

Section: A Brief Survey Of Related Workmentioning

confidence: 99%

“…The encryption key is accessible to attackers and corresponds to different decryption keys, each of which is only computable by one group member. A contributory broadcast encryption (CBE) [43] enables a group of members negotiate a common public encryption key while each member holds a decryption key.…”

Section: A Brief Survey Of Related Workmentioning

confidence: 99%

Provably Secure Group Key Management Approach Based upon Hyper-Sphere

Tang

Liu

et al. 2014

IEEE Trans. Parallel Distrib. Syst.

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Abstract. Secure group communication systems have become increasingly important for many emerging network applications. An efficient and robust group key management approach is indispensable to a secure group communication system. Motivated by the theory of hyper-sphere, this paper presents a new group key management approach with a group controller GC. In our new design, a hypersphere is constructed for a group and each member in the group corresponds to a point on the hyper sphere, which is called the member's private point. The GC computes the central point of the hyper-sphere, intuitively, whose "distance" from each member's private point is identical. The central point is published such that each member can compute a common group key, using a function by taking each member's private point and the central point of the hyper-sphere as the input. This approach is provably secure under the pseudo-random function (PRF) assumption. Compared with other similar schemes, by both theoretical analysis and experiments, our scheme (1) has significantly reduced memory and computation load for each group member; (2) can efficiently deal with massive membership change with only two re-keying messages, i.e., the central point of the hypersphere and a random number; and (3) is efficient and very scalable for large-size groups.

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“…The AGKA protocol in [23] and its plain extensions [24,25] does not consider the attacks from active adversaries. This is because the protocol participants are not authenticated during the execution of the protocol.…”

Section: Introductionmentioning

confidence: 99%

Certificateless and identity-based authenticated asymmetric group key agreement

Zhang

Qin

et al. 2016

Int. J. Inf. Secur.

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Group key agreement (GKA) is one of the traditional ways to guarantee the subsequent secure group communications. However, conventional GKA protocols face two limitations, i.e., they require two or more rounds to establish secure channels and are sender restricted. Asymmetric group key agreement (AGKA) eliminates above two limitations of GKA. It allows a group of users to establish a public group encryption key and a different secret decryption key of each group member in one round. Any user who knows the group encryption key can encrypt to the group members. This paper studies authenticated AGKA in certificateless and identity-based public key cryptosystems. We formalize the security model of certificateless authenticated asymmetric group key agreement and realize a one-round certificateless authenticated asymmetric group key agreement protocol to resist active attacks in the real world. We also investigate B Lei Zhang the relation between certificateless authenticated AGKA and identity-based authenticated AGKA. We propose a concrete conversion from certificateless authenticated AGKA to session key escrow-free identity-based authenticated AGKA.Keywords Certificateless public key cryptosystem · Identity-based public key cryptosystem · Group key agreement · Asymmetric group key agreement

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Bridging Broadcast Encryption and Group Key Agreement

Cited by 36 publications

References 34 publications

Mutual Reputation Based Trust Generator for Space-Air-Ground Integrated Network

Mutual Reputation Based Trust Generator for Space-Air-Ground Integrated Network

Provably Secure Group Key Management Approach Based upon Hyper-Sphere

Certificateless and identity-based authenticated asymmetric group key agreement

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