InforLorV4, Main, Exploration, bibRecord, 001881

Authenticating Operation-based History in Collaborative Systems

Identifieur interne : 001881 ( Main/Exploration ); précédent : 001880; suivant : 001882

Authenticating Operation-based History in Collaborative Systems

Auteurs : Hien Thi Thu Truong [France] ; Claudia-Lavinia Ignat [France] ; Pascal Molli [France]

Source :

RBID : Hal:hal-00761045

English descriptors

mix :
- authenticating logs, authenticators, logs, multi-synchronous collaboration, operation-based history, optimistic replication.

Abstract

Within last years multi-synchronous collaborative editing systems became widely used. Multi-synchronous collaboration maintains multiple, simultaneous streams of activity which continually diverge and synchronized. These streams of activity are represented by means of logs of operations, i.e. user modifications. A malicious user might tamper his log of operations. At the moment of synchronization with other streams, the tampered log might generate wrong results. In this paper, we propose a solution relying on hash-chain based authenticators for authenticating logs that ensure the authenticity, the integrity of logs, and the user accountability. We present algorithms to construct authenticators and verify logs. We prove their correctness and provide theoretical and practical evaluations.

Url:

https://hal.inria.fr/hal-00761045

DOI: 10.1145/2389176.2389197

Affiliations:

Links toward previous steps (curation, corpus...)

to stream Hal, to step Corpus: 001046
to stream Hal, to step Curation: 001046
to stream Hal, to step Checkpoint: 001496
to stream Main, to step Merge: 001909
to stream Main, to step Curation: 001881

Le document en format XML

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<profileDesc><textClass><keywords scheme="mix" xml:lang="en"><term>authenticating logs</term>
<term>authenticators</term>
<term>logs</term>
<term>multi-synchronous collaboration</term>
<term>operation-based history</term>
<term>optimistic replication</term>
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<front><div type="abstract" xml:lang="en">Within last years multi-synchronous collaborative editing systems became widely used. Multi-synchronous collaboration maintains multiple, simultaneous streams of activity which continually diverge and synchronized. These streams of activity are represented by means of logs of operations, i.e. user modifications. A malicious user might tamper his log of operations. At the moment of synchronization with other streams, the tampered log might generate wrong results. In this paper, we propose a solution relying on hash-chain based authenticators for authenticating logs that ensure the authenticity, the integrity of logs, and the user accountability. We present algorithms to construct authenticators and verify logs. We prove their correctness and provide theoretical and practical evaluations.</div>
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Authenticating Operation-based History in Collaborative Systems

Authenticating Operation-based History in Collaborative Systems

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