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Signing Contracts and Paying Electronically

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Lectures on Data Security (EEF School 1998)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1561))

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Abstract

Motivated by the increasing use of cryptography, in particular digital signatures, to secure electronic commerce this paper discusses applications of digital signatures. The aim is to give an overview of some problems, which on one hand are related to electronic commerce and, on the other hand, are challenging from a cryptographic point of view. The paper first deals with fundamental techniques for establishing a public key infrastructure and for creating non-repudiation tokens. The latter makes it possible to use digital signatures to solve disputes which is often the ultimate goal when using digital signatures in practice. Next more advanced cryptographic protocols are discussed by giving an overview of protocols for fair exchange of signed documents as well as for implementing electronic cash (prepaid payment systems).

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Author information

Authors and Affiliations

  1. Cryptomathic, Denmark

    Torben P. Pedersen

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  1. Torben P. Pedersen
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Editors and Affiliations

  1. BRICS, University of Aarhus, Ny Munkegade, Building 540, DK-8000, Aarhus C, Denmark

    Ivan Bjerre Damgård

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Pedersen, T.P. (1999). Signing Contracts and Paying Electronically. In: Damgård, I.B. (eds) Lectures on Data Security. EEF School 1998. Lecture Notes in Computer Science, vol 1561. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48969-X_7

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  • DOI: https://doi.org/10.1007/3-540-48969-X_7

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  • Print ISBN: 978-3-540-65757-6

  • Online ISBN: 978-3-540-48969-6

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