Key agreement protocols for distributed secure multicast over the ring Ep(m)

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Title: Key agreement protocols for distributed secure multicast over the ring Ep(m)
Authors: Climent, Joan-Josep | López Ramos, Juan Antonio | Navarro, Pedro R. | Tortosa, Leandro
Research Group/s: Grupo de Álgebra y Geometría (GAG) | Criptología y Seguridad Computacional
Center, Department or Service: Universidad de Alicante. Departamento de Estadística e Investigación Operativa | Universidad de Alicante. Departamento de Ciencia de la Computación e Inteligencia Artificial
Keywords: Secure communications | Key exchange | Noncommutative ring | Multicast protocol
Knowledge Area: Álgebra | Ciencia de la Computación e Inteligencia Artificial
Issue Date: 2013
Publisher: WIT Press
Citation: WIT Transactions on Information and Communication Technologies. 2013, 45: 13-24. doi:10.2495/DATA130021
Abstract: Protocols for authenticated key exchange allow parties within an insecure network to establish a common session key which can then be used to secure their future communication. In this paper we introduce a protocol for distributed key agreement over a noncommutative ring with a large number of noninvertible elements. This protocol uses polynomials with coefficients in the center of the ring. We also present the necessary steps for recalculating the shared secret key when a new user joins the system, or when a user leaves the system.
Sponsor: The work of the first author was partially supported by Spanish grant MTM2011-24858 of the Ministerio de Economía y Competitividad of the Gobierno de España. The work of the second author was partially supported by the grant FQM 0211 of the Junta de Andalucía.
ISSN: 1746-4463 (Print) | 1743-3517 (Online)
DOI: 10.2495/DATA130021
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2013 WIT Press
Peer Review: si
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Appears in Collections:INV - ANVIDA - Artículos de Revistas
INV - GAG - Artículos de Revistas
INV - CSC - Artículos de Revistas

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