IADIS International Journal on Computer Science and Information Systems

Published by IADIS (International Association for Development of the Information Society) • ISSN (Online): 1646-3692 • ISSN (Print): 1646-3692
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Security Mechanisms of a Legal Peer- To-peer File Sharing System

Sebastian Schinzel. Darmstadt University of Applied Sciences. Haardtring *
Darmstadt *
* Germany schinzel@colonwq.org Martin Schmucker. Security Technology Department, Fraunhofer Institute for Computer Graphics Research IGD. Fraunhoferstraße 5, 64283 Darmstadt, Germany m.schmucker@gmx.de Peter Ebinger. Security Technology Department, Fraunhofer Institute for Computer Graphics Research IGD. Fraunhoferstraße 5, 64283 Darmstadt, German peter.ebinger@igd.fraunhofer.de (Portugal)
* Germany schinzel@colonwq.org Martin Schmucker. Security Technology Department, Fraunhofer Institute for Computer Graphics Research IGD. Fraunhoferstraße 5, 64283 Darmstadt, Germany m.schmucker@gmx.de Peter Ebinger. Security Technology Department, Fraunhofer Institute for Computer Graphics Research IGD. Fraunhoferstraße 5, 64283 Darmstadt, German peter.ebinger@igd.fraunhofer.de (Portugal)

Abstract

Contrary to Digital Rights Ma nagement systems (DRMS), CONFUO© O [Schmucker, M. and Ebinger, P., 2005] is a legal peer-to-peer file sharing applica tion that controls content distribution as opposed to content usage. A central entity called Trusted Third Party (TTP) validates whether users are allowed to legally distribute a particular content and users within the CONFUO©O system enable peer monitoring to identify irregularities. Several of the core features (such as inter-user observation) have not yet been tested or approved for use on the Internet. This article demonstrates the it erative improvement of CONFUO©O’s security over conventional DRM systems. A summary of the extensive security analysis performed to identify threats and potential vulnerabilities resulting from the abuse of this new protocol is presented and led to the discovery of a possible Denial-of-Service (DoS) thr eat. In this installment, several advances for CONFUO©O’s architecture involvi ng the

Keywords

Content Distribution Content Monitoring Fingerprinting P2P Perceptual Hashing Secure Distribution
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Funding: This research received academic dissemination support through ESCAP / JournalsHub publishing programs.
Conflicts of Interest: The authors declare no competing financial or institutional interests.
Peer Review: Double-blind peer reviewed by international subject specialists.
License: Creative Commons Attribution 4.0 International (CC BY 4.0).
How to Cite This Article
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Haardtring, et al. (2009). Security Mechanisms of a Legal Peer- To-peer File Sharing System. IADIS International Journal on Computer Science and Information Systems, 4(2). https://doi.org/10.33965/ijcsis_2009_v4i2_06
Haardtring, et al. "Security Mechanisms of a Legal Peer- To-peer File Sharing System." IADIS International Journal on Computer Science and Information Systems, vol. 4, no. 2, 2009. https://doi.org/10.33965/ijcsis_2009_v4i2_06
Haardtring, et al. "Security Mechanisms of a Legal Peer- To-peer File Sharing System." IADIS International Journal on Computer Science and Information Systems 4, no. 2 (2009). https://doi.org/10.33965/ijcsis_2009_v4i2_06