POSTER: TouchCtrl: fine-grained access control for collaborative environments
Pages 1453 - 1456
Abstract
The design of modern desktop operating systems is based on the assumption that a single user controls input and output devices at a time. This is also the case for access control, where applications inherit the privileges from the user that started them. This is not sufficient for multi-user collaboration on Single Display Groupware (SDG) or tabletop systems. For these we suggest a more fine-grained access control method based on the user that is interacting with an application.
In our ongoing work of building a multi-user multitouch system we developed a technique we call event backtracking that exploits the asynchronous behavior of modern desktop applications on the Mac OS X platform.
Event backtracking follows the execution of a program and tags threads with user IDs taken from the input events of users. This information is subsequently used to dynamically restrict applications' access rights. Our implementation works within applications as well as across application borders, transparent to the applications themselves.
References
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M. Dietz, S. Shekhar, Y. Pisetsky, A. Shu, and D. S. Wallach. Quire: lightweight provenance for smart phone operating systems. In Proc. USENIX, pages 23--23. USENIX Association, 2011.
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C. Holz and P. Baudisch. Fiberio: A touchscreen that senses fingerprints. In Proc. ACM UIST. ACM, 2013.
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\mboxApple Inc. Concurrency Programming Guide. Online at http://developer.apple.com, 2013.
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\mboxApple Inc. Source Browser. Online at http://opensource.apple.com/source/CF/CF-550.43/, 2013.
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T. Meyer and D. Schmidt. Idwristbands: Ir-based user identification on multi-touch surfaces. In Proc. ACM ITS, pages 277--278. ACM, 2010.
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F. Roesner, T. Kohno, A. Moshchuk, B. Parno, H. J. Wang, and C. Cowan. User-driven access control: Rethinking permission granting in modern operating systems. In Proc. IEEE Symposium on Security and Privacy, pages 224--238, 2012.
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V. Roth, P. Schmidt, and B. Güldenring. The ir ring: authenticating users' touches on a multi-touch display. In Proc. ACM UIST, pages 259--262, 2010.
Index Terms
- POSTER: TouchCtrl: fine-grained access control for collaborative environments
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Information & Contributors
Information
Published In
November 2013
1530 pages
ISBN:9781450324779
DOI:10.1145/2508859
- General Chair:
- Ahmad-Reza Sadeghi,
- Program Chairs:
- Virgil Gligor,
- Moti Yung
Copyright © 2013 Owner/Author.
Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.
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Published: 04 November 2013
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CCS'13: 2013 ACM SIGSAC Conference on Computer and Communications Security
November 4 - 8, 2013
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