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With the evolution of the Internet, multicast communications seem particularly well adapted for large scale commercial distribution applications, for example, the pay TV channels and secure videoconferencing. Key management for multicast…

Cryptography and Security · Computer Science 2009-06-23 Joe Prathap P M. , V. Vasudevan

In the secure group communication, data is transmitted in such a way that only the group members are able to receive the messages. The main problem in the solution using symmetric key is heavy re-keying cost. To reduce re-keying cost tree…

Cryptography and Security · Computer Science 2016-03-18 Vinod Kumar , S. K. Pandey , Rajendra Kumar

Many Internet of Things (IoT) scenarios require communication to and data acquisition from multiple devices with similar functionalities. For such scenarios, group communication in the form of multicasting and broadcasting has proven to be…

Networking and Internet Architecture · Computer Science 2020-08-18 Adhirath Kabra , Sumit Kumar , Gaurav S. Kasbekar

With rapid increase of mobile computing and wireless network linkage, the information exchange between connected systems and within groups increases heavily. Exchanging confidential information within groups via unsecured communication…

Cryptography and Security · Computer Science 2020-02-26 Peter Hillmann , Marcus Knüpfer , Tobias Guggemos , Klement Streit

Many emerging applications in mobile adhoc networks involve group-oriented communication. Multicast is an efficient way of supporting group oriented applications, mainly in mobile environment with limited bandwidth and limited power. For…

Cryptography and Security · Computer Science 2010-03-10 D. SuganyaDevi , G. Padmavathi

Quantum key distribution (QKD) protocols are essential to guarantee information-theoretic security in quantum communication. Although there was some previous work on quantum group key distribution, they still face many challenges under a…

Quantum Physics · Physics 2023-12-08 Qiang Zhao , Zhuohua Li , John C. S. Lui

This paper presents an efficient group key management protocol, CKCS (Code for Key Calculation in Simultaneous join/leave) for simultaneous join/leave in secure multicast. This protocol is based on logical key hierarchy. In this protocol,…

Cryptography and Security · Computer Science 2012-08-29 Melisa Hajyvahabzadeh , Elina Eidkhani , S. Anahita Mortazavi , Alireza Nemaney Pour

In key management schemes that realize secure multicast communications encrypted by group keys on a public network, tree structures are often used to update the group keys efficiently. Selcuk and Sidhu have proposed an efficient scheme…

Information Theory · Computer Science 2007-07-16 Hideyuki Sakai , Hirosuke Yamamoto

Secure group-oriented communication is crucial to a wide range of applications in Internet of Things (IoT). Security problems related to group-oriented communications in IoT-based applications placed in a privacy-sensitive environment have…

Cryptography and Security · Computer Science 2018-08-03 Hongxiang Gu , Miodrag Potkonjak

Many data dissemination and publish-subscribe systems that guarantee the privacy and authenticity of the participants rely on symmetric key cryptography. An important problem in such a system is to maintain the shared group key as the group…

Data Structures and Algorithms · Computer Science 2009-04-28 Agnes Chan , Rajmohan Rajaraman , Zhifeng Sun , Feng Zhu

In this paper, we propose an efficient key management scheme by generating new public and private keys in the Blom scheme. We also focus on making this scheme dynamic by randomly changing the secret key that is generated by the base station…

Cryptography and Security · Computer Science 2014-10-28 Divya Harika Nagabhyrava

We consider the problem of resource allocation and control of multihop networks in which multiple source-destination pairs communicate confidential messages, to be kept confidential from the intermediate nodes. We pose the problem as that…

Information Theory · Computer Science 2015-09-15 Yunus Sarikaya , C. Emre Koksal , Ozgur Ercetin

In this paper we propose a new protocol to manage multicast key distribution. The protocol is based on the use of orthogonal systems in vector spaces. The main advantage in comparison to other existing multicast key management protocols is…

Cryptography and Security · Computer Science 2015-01-05 Jose' Antonio Alvarez-Bermejo , Juan Antonio Lopez-Ramos , Joachim Rosenthal , Davide Schipani

Since communication signals are publicly exposed while they transmit across space, Ad Hoc Networks (MANETs) are where secured communication is most crucial. Unfortunately, these systems are more open to intrusions that range from passive…

Cryptography and Security · Computer Science 2023-05-01 B. Murugeshwari , R. Amirthavalli , C. Bharathi Sri , S. Neelavathy Pari

This paper addresses an interesting security problem in wireless ad hoc networks: the Dynamic Group Key Agreement key establishment. For secure group communication in an Ad hoc network, a group key shared by all group members is required.…

Cryptography and Security · Computer Science 2010-07-02 Krishnan Kumar , Nafeesa Begum J , V. Sumathy

To address growing cybersecurity challenges in modern power dispatch systems, this paper proposes a multi-layer modeling and optimization framework for SCADA systems enhanced with quantum key distribution (QKD). While most existing…

Systems and Control · Electrical Eng. & Systems 2025-10-17 Ziqing Zhu

Mobile Ad-hoc Network (MANET) is a collection of autonomous nodes or terminals which communicate with each other by forming a multi-hop radio network and maintaining connectivity in a decentralized manner. The conventional security…

Cryptography and Security · Computer Science 2009-10-02 Renuka A. , K. C. Shet

Secure communication between two nodes in a network depends on reliable key management systems that generate and distribute keys between communicating nodes and a secure routing protocol that establishes a route between them. But due to…

Cryptography and Security · Computer Science 2012-05-14 Kamal Kumar Chauhan , Amit Kumar Singh Sanger

Secured communication in ad hoc wireless networks is primarily important, because the communication signals are openly available as they propagate through air and are more susceptible to attacks ranging from passive eavesdropping to active…

Networking and Internet Architecture · Computer Science 2010-07-15 S. Sumathy , B. Upendra Kumar

Multicast in Wireless Sensor Networks (WSNs) is an attractive mechanism for delivering data to multiple receivers as it saves bandwidth. To guarantee the security of multicast, the group key is used to encrypt and decrypt the packages.…

Cryptography and Security · Computer Science 2012-05-08 Lin Yao , Bing Liu , Feng Xia , Guowei Wu , Qiang Lin
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