Aguirre Pastor, José Vicente, Alvarez, Rafael, Noguera, José, Tortosa, Leandro, Zamora, Antonio A viability analysis of a secure VoIP and instant messaging system on a Pocket PC platform AGUIRRE, José-Vicente, et al. "A viability analysis of a secure VoIP and instant messaging system on a Pocket PC platform". En: Proceedings of the 4th WSEAS International Conference on Information Security, Communications and Computers : Tenerife, Spain, December 16-18, 2005. [S.l.] : WSEAS, 2005. ISBN 960-8457-39-4, pp. 218-223 URI: http://hdl.handle.net/10045/25288 DOI: ISSN: 960-8457-39-4 Abstract: We propose a secure full-duplex VoIP and instant messaging system on a Pocket PC platform, allowing for session key transport using a public-key protocol and encrypted text or voice communication using a private-key algorithm. The full-duplex VoIP scheme presents good performance for long duration communication over LAN networks. Keywords:Cryptography, Security, Public-key, VoIP, Pocket PC, Needham-Schroeder protocol, AES, RSA WSEAS info:eu-repo/semantics/conferenceObject