Lightshed Artifact

Behrouzi, Sasha; Foerster, Hanna; Rieger, Phillip; Sadeghi, Ahmad-Reza; Jadliwala, Murtuza

doi:10.5281/zenodo.14727581

Published January 23, 2025 | Version V1.0.0

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Lightshed Artifact

1. Deutsche Bahn (Germany)
2. TU Darmstadt
3. University of Cambridge
4. Technical University of Darmstadt
5. The University of Texas at San Antonio Department of Computer Science

Artifacts for Publication: LightShed: Defeating Perturbation-based Image Copyright Protections

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USENIX Security '25

License: Creative Commons Attribution 4.0 International

The Creative Commons Attribution license allows re-distribution and re-use of a licensed work on the condition that the creator is appropriately credited. Read more; ACADEMIC PUBLIC LICENSE

License The following license governs the use of LightShed in academic and educational environments. Commercial use requires a commercial license from trust.tu-darmstadt.de ACADEMIC PUBLIC LICENSE Preamble This license contains the terms and conditions of using LightShed in noncommercial settings: at academic institutions for teaching and research use, and at non-profit research organizations. You will find that this license provides noncommercial users of LightShed with rights that are similar to the well-known GNU General Public License, yet it retains the possibility for LightShed authors to financially support the development by selling commercial licenses. In fact, if you intend to use LightShed in a “for-profit” environment, where research is conducted to develop or enhance a product, is used in a commercial service offering, or when a commercial company uses LightShed to participate in a research project (for example government-funded or EU-funded research projects), then you need to obtain a commercial license for LightShed. In that case, please contact the Author to inquire about commercial licenses. Similarly to GPL, you have the right to use the software, to receive source code, to change the software and use your modifications or the modified software. However, distribution of LightShed not permitted. Also similarly to the GPL, if you were to distribute verbatim or modified copies of this software, they would have to be distributed under this license. TERMS AND CONDITIONS FOR USE, COPYING, DISTRIBUTION AND MODIFICATION Definitions “Program” means a copy of LightShed, which is said to be distributed under this Academic Public License. “Work based on the Program” means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term “modification”.) “Using the Program” means any act of creating executables that contain or directly use libraries that are part of the Program, running any of the tools that are part of the Program, or creating works based on the Program. Each licensee is addressed as “you”. §1. Permission is hereby granted to use the Program free of charge for any noncommercial purpose, including teaching and research at universities, colleges and other educational institutions, research at non-profit research institutions, and personal non-profit purposes. For using the Program for commercial purposes, including but not restricted to consulting activities, design of commercial hardware or software networking products, and a commercial entity participating in research projects, you have to contact the Author for an appropriate license. Permission is also granted to use the Program for a reasonably limited period of time for the purpose of evaluating its usefulness for a particular purpose. §2. You may not copy or distribute verbatim copies of the Program’s source code in any medium. This restriction applies to both the original and any modified versions of the Program. The Program is provided for internal, noncommercial use only, and any redistribution—whether for free or for profit—is strictly prohibited without prior written permission from the Author. §3. You may use the Program, or modify it, as part of a non-commercial academic or research project, pro vided that the following conditions are met: a) The use or modification must be explicitly limited to non-commercial purposes such as research, education, or internal experimentation within academic or nonprofit institutions. b) Any such use or modification must be accompanied by proper attribution, including a citation of the original work and license, and must reference the associated publication(s) or documentation, if any. c) The use must acknowledge the LightShed authors and the associated research lab (e.g., "[Lab Name], [Institution]") in any resulting publications, presentations, or derivative works. d) A noncommercial license agreement must be accepted prior to any use in research or education. Use without agreement constitutes a violation of this license. e) No part of the Program, whether original or modified, may be redistributed, sublicensed, or used for commercial purposes without the express written permission of the author. §4. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to use, modify, or distribute the Program or its derivative works; such actions are prohibited by law unless you accept the terms of this License.Therefore, by using, modifying, or working with the Program (or any work based on the Program), you indicate your acceptance of this License and all of its terms and conditions governing copying, modification, or distribution of the Program or derivative works thereof. §5. Each time you distribute any work based on the Program, the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients’ exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. §6. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. §7. If the distribution and/or use of the Program are restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. NO WARRANTY §8. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. §9. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED ON IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS In case the above text differs from the license file in the source distribution, the latter is the valid one.

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Created: January 23, 2025
Modified: July 15, 2025

Lightshed Artifact

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