Micropayments with Privacy — a New Proposal for E-commerce

  • Krzysztof Szczypiorski
  • Aneta Zwierko
  • Igor Margasiński

Abstract

This paper presents an original concept of micropayment schemes which combine both the simplicity of an electronic pre-paid card without trusted third party and user's privacy. Two protocols are proposed - the first one is based on a secure one-way hash function, the second one is based on a cryptographically secure pseudorandom bit generator. The main advantage of the proposed schemes is the ability to perform a cryptographic key distribution within the micropayment process.

Keywords

micropayments e-commerce privacy 

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Copyright information

© Springer Science+Business Media, Inc. 2005

Authors and Affiliations

  • Krzysztof Szczypiorski
    • 1
  • Aneta Zwierko
    • 1
  • Igor Margasiński
    • 1
  1. 1.Institute of TelecommunicationsWarsaw University of TechnologyWarsawPoland

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