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ThinkMind // SECURWARE 2016, The Tenth International Conference on Emerging Security Information, Systems and Technologies // View article securware_2016_13_20_30119


LoT: a Reputation-based Trust System for Long-term Archiving

Authors:
Martín Vigil
Denise Demirel
Sheikh Mahbub Habib
Sascha Hauke
Johannes Buchmann
Max Mühlhäuser

Keywords: Digital Archiving; Time-Stamping; Reputation System; Trust; Electronic Health Record.

Abstract:
Digital archiving systems are necessary to store documents for several years, such as electronic health records. However, security breaches in these systems may allow attackers to tamper with archived documents without being noticed. To address this threat, standardized archiving systems require a public key infrastructure, where a time-stamp authority is trusted to date and sign stored documents periodically. However, in practice a time-stamp authority may not be fully trustworthy, allowing an attacker to forge documents. Thus, in this paper, we introduce a novel reputation-based trust system for time-stamping-based archiving called "Long-term evaluation of Trust" (LoT), which alleviates the required trust assumptions. This makes LoT an important contribution to realize trust and security management for digital archiving systems using public key infrastructures. We implemented LoT showcasing its applicability to electronic health records and demonstrate its efficacy by simulations.

Pages: 262 to 270

Copyright: Copyright (c) IARIA, 2016

Publication date: July 24, 2016

Published in: conference

ISSN: 2162-2116

ISBN: 978-1-61208-493-0

Location: Nice, France

Dates: from July 24, 2016 to July 28, 2016

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