Securing micropayment transactions over session initiation protocol

Authors:
Supakorn Kungpisdan;Tanapat Thai-Udom
Affiliations:
Faculty of Information Science and Technology, Mahanakorn University of Technology, Bangkok, Thailand;Faculty of Information Science and Technology, Mahanakorn University of Technology, Bangkok, Thailand
Venue:
ISCIT'09 Proceedings of the 9th international conference on Communications and information technologies
Year:
2009

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Abstract

Session Initiation Protocol (SIP) is gaining more acceptability as a standard for Voice over IP (VoIP). Several payment protocols were proposed for SIP. However, they lack necessary security properties and have poor performance due to cryptographic operations chosen. In this paper, we introduce SIPTOP, a SIP TOken-based micropayment Protocol that operates well in SIP environment. Moreover, we propose a new authentication protocol for SIP. SIPTOP was analyzed to guarantee its security properties and acceptable transaction performance.