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New micropayment schemes based on Pay Words

  • Security Protocols And Key Management
  • Conference paper
  • First Online:
Information Security and Privacy (ACISP 1997)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1270))

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Abstract

This paper proposes three new micropayment schemes based on hashing and salting techniques. These schemes add significant features to the PayWord scheme proposed earlier by Rivest and Shamir. The scheme SPayWord introduces a salt into the payment process which makes the scheme more secure with smaller PayWords. The scheme UPayWord removes the constraint of the original PayWord scheme which requires a client to set the maximum number of PayWords in advance. The scheme PPayWord provides mechanisms for dealing with the loss of PayWords in communication thereby enabling successful verification of subsequent PayWords after the loss in a secure manner. The schemes presented in this paper seem to be significant for use in practical off-line micropayment systems.

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References

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Author information

Authors and Affiliations

  1. Department of Computing, University of Western Sydney Nepean, 2747, Kingswood, NSW, Australia

    Yi Mu & Vijay Varadharajan

  2. School of Mathematics and Applied Statistics, University of Wollongong, 2500, Wollongong, NSW, Australia

    Yan-Xia Lin

Authors
  1. Yi Mu
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  2. Vijay Varadharajan
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  3. Yan-Xia Lin
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Editor information

Vijay Varadharajan Josef Pieprzyk Yi Mu

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© 1997 Springer-Verlag Berlin Heidelberg

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Mu, Y., Varadharajan, V., Lin, YX. (1997). New micropayment schemes based on Pay Words. In: Varadharajan, V., Pieprzyk, J., Mu, Y. (eds) Information Security and Privacy. ACISP 1997. Lecture Notes in Computer Science, vol 1270. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0027935

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  • DOI: https://doi.org/10.1007/BFb0027935

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-63232-0

  • Online ISBN: 978-3-540-69237-9

  • eBook Packages: Springer Book Archive

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