Four Authorization Protocols for an Electronic Payment System

Autoři ŽILKA Roman — MATYÁŠ Václav — KYNCL Libor
Druh Článek ve sborníku
Citace ŽILKA, Roman, Václav MATYÁŠ a Libor KYNCL. Four Authorization Protocols for an Electronic Payment System. In Zdenek Kotasek, Jan Bouda, Ivana Cerna, Lukas Sekanina, Tomas Vojnar, David Antos. Mathematical and Engineering Methods in Computer Science 2011, Springer LNCS 7119. Heidelberg: Springer Verlag, 2012. s. 205-214, 10 s. ISBN 978-3-642-25928-9. doi:10.1007/978-3-642-25929-6_19.
Originální jazyk angličtina
Obor Informatika
Doi http://dx.doi.org/10.1007/978-3-642-25929-6_19
Klíčová slova payment protocol; micropayment; security protocol

Over the recent years the Czech law has become quite liberal towards electronic payment systems dealing with low-value goods (``micropayments'') \cite{act284}. As of today, few businesses make use of the new legal facilities. This paper concerns a project aiming to support proliferation of the micropayment-based operations by creating a feature-rich, secure payment system with an open specification. More precisely, the key focus here will be payment authorization: as payments are carried out by an electronic device on a customer's behalf, there is a clear need for prevention of its abuse in case of theft. We introduce four original authorization protocols -- each suited to a different environment -- that prescribe the behavior of all relevant communicating devices and hopefully allow for secure and sound authorization.

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