Al-Bassam, M;
Meiklejohn, S;
(2017)
Contour: A Practical System for Binary Transparency.
In: Garcia-Alfaro, J and Herrera-Joancomartí, J and Livraga, G and Rios, R, (eds.)
Data Privacy Management, Cryptocurrencies and Blockchain Technology.
(pp. pp. 94-110).
Springer: Cham, Switzerland.
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Abstract
Transparency is crucial in security-critical applications that rely on authoritative information, as it provides a robust mechanism for holding these authorities accountable for their actions. A number of solutions have emerged in recent years that provide transparency in the setting of certificate issuance, and Bitcoin provides an example of how to enforce transparency in a financial setting. In this work we shift to a new setting, the distribution of software package binaries, and present a system for so-called “binary transparency.” Our solution, Contour, uses proactive methods for providing transparency, privacy, and availability, even in the face of persistent man-in-the-middle attacks. We also demonstrate, via benchmarks and a test deployment for the Debian software repository, that Contour is the only system for binary transparency that satisfies the efficiency and coordination requirements that would make it possible to deploy today.
| Type: | Proceedings paper |
|---|---|
| Title: | Contour: A Practical System for Binary Transparency |
| Event: | ESORICS 2018 International Workshops, DPM 2018 and CBT 2018, 6-7 September 2018, Barcelona, Spain |
| ISBN-13: | 9783030003043 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1007/978-3-030-00305-0_8 |
| Publisher version: | https://doi.org/10.1007/978-3-030-00305-0_8 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10055894 |
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