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Related papers: Composability in Watermarking Schemes

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Whereas the embedding distortion, the payload and the robustness of digital watermarking schemes are well understood, the notion of security is still not completely well defined. The approach proposed in the last five years is too…

Cryptography and Security · Computer Science 2012-02-17 Patrick Bas , Teddy Furon

This paper presents a traitor-tracing technique based on the watermarking of digital documents (\pdf{} files in particular). The watermarking algorithm uses a chain of three separate techniques that work in synergy. The embedded payload can…

Cryptography and Security · Computer Science 2021-09-21 Fabrizio d'Amore , Alessandro Serpi

Watermarking has emerged as a promising solution for tracing and authenticating text generated by large language models (LLMs). A common approach to LLM watermarking is to construct a green/red token list and assign higher or lower…

Cryptography and Security · Computer Science 2025-10-27 Li An , Yujian Liu , Yepeng Liu , Yuheng Bu , Yang Zhang , Shiyu Chang

Watermarking enables GenAI providers to verify whether content was generated by their models. A watermark is a hidden signal in the content, whose presence can be detected using a secret watermark key. A core security threat are forgery…

Cryptography and Security · Computer Science 2026-05-12 Toluwani Aremu , Noor Hussein , Munachiso Nwadike , Samuele Poppi , Jie Zhang , Karthik Nandakumar , Neil Gong , Nils Lukas

Watermarking plays a key role in the provenance and detection of AI-generated content. While existing methods prioritize robustness against real-world distortions (e.g., JPEG compression and noise addition), we reveal a fundamental…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Zhongjie Ba , Yitao Zhang , Peng Cheng , Bin Gong , Xinyu Zhang , Qinglong Wang , Kui Ren

As LLMs become commonplace, machine-generated text has the potential to flood the internet with spam, social media bots, and valueless content. Watermarking is a simple and effective strategy for mitigating such harms by enabling the…

We initiate the study of software watermarking against quantum adversaries. A quantum adversary generates a quantum state as a pirate software that potentially removes an embedded message from a classical marked software. Extracting an…

Quantum Physics · Physics 2022-05-24 Fuyuki Kitagawa , Ryo Nishimaki

Watermarking combines an imperceptible change to an input image that will trigger a detector, to assert provenance and protect intellectual property. The literature has shown great interest in attacks on watermarking schemes: attackers are…

Cryptography and Security · Computer Science 2026-05-19 Maria Bulychev , Neil G. Marchant , Benjamin I. P. Rubinstein

Methods for watermarking large language models have been proposed that distinguish AI-generated text from human-generated text by slightly altering the model output distribution, but they also distort the quality of the text, exposing the…

Computation and Language · Computer Science 2024-02-27 Massieh Kordi Boroujeny , Ya Jiang , Kai Zeng , Brian Mark

Physical design watermarking on contemporary integrated circuit (IC) layout encodes signatures without considering the dense connections and design constraints, which could lead to performance degradation on the watermarked products. This…

Cryptography and Security · Computer Science 2025-03-14 Ruisi Zhang , Rachel Selina Rajarathnam , David Z. Pan , Farinaz Koushanfar

With the development of large models, watermarks are increasingly employed to assert copyright, verify authenticity, or monitor content distribution. As applications become more multimodal, the utility of watermarking techniques becomes…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Jielin Qiu , William Han , Xuandong Zhao , Shangbang Long , Christos Faloutsos , Lei Li

Watermarking is an important tool for promoting the responsible use of large language models (LLMs). Existing watermarks insert a signal into generated tokens that either flags LLM-generated text (zero-bit watermarking) or encodes more…

Machine Learning · Computer Science 2026-05-25 Atefeh Gilani , Sajani Vithana , Carol Xuan Long , Oliver Kosut , Lalitha Sankar , Flavio P. Calmon

A recent and exciting thread of work focuses on developing methods for watermarking the output of large language models (LLMs). We focus on provably undetectable watermarking-that is, schemes that do not alter the output distribution of the…

Cryptography and Security · Computer Science 2026-04-15 Noam Mazor , Andrew Morgan , Rafael Pass

The current work is focusing on the implementation of a robust watermarking algorithm for digital images, which is based on an innovative spread spectrum analysis algorithm for watermark embedding and on a content-based image retrieval…

Data Structures and Algorithms · Computer Science 2009-09-29 Dimitrios K. Tsolis , Spyros Sioutas , Theodore S. Papatheodorou

Watermarking schemes for large language models (LLMs) have been proposed to identify the source of the generated text, mitigating the potential threats emerged from model theft. However, current watermarking solutions hardly resolve the…

Cryptography and Security · Computer Science 2025-10-31 Haohua Duan , Liyao Xiang , Xin Zhang

Large Language Models (LLMs) are widely used in complex natural language processing tasks but raise privacy and security concerns due to the lack of identity recognition. This paper proposes a multi-party credible watermarking framework…

Artificial Intelligence · Computer Science 2025-09-17 Haoyu Jiang , Xuhong Wang , Ping Yi , Shanzhe Lei , Yilun Lin

Model watermarking techniques can embed watermark information into the protected model for ownership declaration by constructing specific input-output pairs. However, existing watermarks are easily removed when facing model stealing…

Cryptography and Security · Computer Science 2025-11-13 Yunfei Yang , Xiaojun Chen , Yuexin Xuan , Zhendong Zhao , Xin Zhao , He Li

In this paper, we investigate the recent state-of-the-art schemes for watermarking large language models (LLMs) outputs. These techniques are claimed to be robust, scalable and production-grade, aimed at promoting responsible usage of LLMs.…

Cryptography and Security · Computer Science 2026-05-11 Jonathan Hong Jin Ng , Anh Tu Ngo , Anupam Chattopadhyay

Large language models (LLMs) have show great ability in various natural language tasks. However, there are concerns that LLMs are possible to be used improperly or even illegally. To prevent the malicious usage of LLMs, detecting…

Cryptography and Security · Computer Science 2024-04-02 Jie Ren , Han Xu , Yiding Liu , Yingqian Cui , Shuaiqiang Wang , Dawei Yin , Jiliang Tang

Watermarking of language model outputs enables statistical detection of model-generated text, which can mitigate harms and misuses of language models. Existing watermarking strategies operate by altering the decoder of an existing language…

Machine Learning · Computer Science 2024-05-03 Chenchen Gu , Xiang Lisa Li , Percy Liang , Tatsunori Hashimoto