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DOI: 10.4230/LIPIcs.FSTTCS.2010.352

Computationally Sound Abstraction and Verification of Secure Multi-Party Computations

Authors: Michael Backes, Matteo Maffei, and Esfandiar Mohammadi

Published in: LIPIcs, Volume 8, IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2010)

Abstract

We devise an abstraction of secure multi-party computations in the applied $\pi$-calculus. Based on this abstraction, we propose a methodology to mechanically analyze the security of cryptographic protocols employing secure multi-party computations. We exemplify the applicability of our framework by analyzing the SIMAP sugar-beet double auction protocol. We finally study the computational soundness of our abstraction, proving that the analysis of protocols expressed in the applied $\pi$-calculus and based on our abstraction provides computational security guarantees.

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Michael Backes, Matteo Maffei, and Esfandiar Mohammadi. Computationally Sound Abstraction and Verification of Secure Multi-Party Computations. In IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2010). Leibniz International Proceedings in Informatics (LIPIcs), Volume 8, pp. 352-363, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)

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@InProceedings{backes_et_al:LIPIcs.FSTTCS.2010.352,
  author =	{Backes, Michael and Maffei, Matteo and Mohammadi, Esfandiar},
  title =	{{Computationally Sound Abstraction and Verification of Secure Multi-Party  Computations}},
  booktitle =	{IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2010)},
  pages =	{352--363},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-23-1},
  ISSN =	{1868-8969},
  year =	{2010},
  volume =	{8},
  editor =	{Lodaya, Kamal and Mahajan, Meena},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSTTCS.2010.352},
  URN =		{urn:nbn:de:0030-drops-28771},
  doi =		{10.4230/LIPIcs.FSTTCS.2010.352},
  annote =	{Keywords: Computational soundness, Secure multi-party computation, Process calculi, Protocol verification}
}

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Computationally Sound Abstraction and Verification of Secure Multi-Party Computations

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