Secure Physical Auctions for the Non-Expert
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Date
2014-01
Publication Type
Report
ETH Bibliography
yes
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Abstract
An auction is a simple way of selling and buying goods. Modern auction protocols often rely on complex cryptographic operations to ensure manifold security properties, for instance bidder-anonymity or bid-privacy, non-repudiation, fairness or public veriability of the result. This makes them dicult to understand for users who are not experts in cryptography. We propose two physical auction protocols inspired by Sako's cryptographic auction protocol. In contrast to Sako's protocol, they donot rely on cryptographic operations, but on physical properties of the manipulated mechanical objects to ensure the desired security properties. The rst protocol only uses standard oce material, whereas the second uses a special wooden box. We validate the security of our solutions using ProVerif.
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published
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Publisher
Eidgenössische Technische Hochschule Zürich
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Subject
NETWORK PROTOCOLS + COMMUNICATION PROTOCOLS (COMPUTER SYSTEMS); ELECTRONIC AUCTIONS; CRYPTOGRAPHY (INFORMATION THEORY); NETZWERKPROTOKOLLE + KOMMUNIKATIONSPROTOKOLLE (COMPUTERSYSTEME); ELEKTRONISCHE AUKTIONEN; KRYPTOGRAPHIE (INFORMATIONSTHEORIE)
Organisational unit
03634 - Basin, David / Basin, David
02660 - Institut für Informationssicherheit / Institute of Information Security
02150 - Dep. Informatik / Dep. of Computer Science