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Watermark algorithms for large language models (LLMs) have achieved extremely high accuracy in detecting text generated by LLMs. Such algorithms typically involve adding extra watermark logits to the LLM's logits at each generation step.…

密码学与安全 · 计算机科学 2024-05-21 Aiwei Liu , Leyi Pan , Xuming Hu , Shiao Meng , Lijie Wen

Diffusion models have achieved remarkable success in generating high-quality images. Recently, the open-source models represented by Stable Diffusion (SD) are thriving and are accessible for customization, giving rise to a vibrant community…

密码学与安全 · 计算机科学 2024-05-21 Weitao Feng , Wenbo Zhou , Jiyan He , Jie Zhang , Tianyi Wei , Guanlin Li , Tianwei Zhang , Weiming Zhang , Nenghai Yu

We study the problem of watermarking large language models (LLMs) generated text -- one of the most promising approaches for addressing the safety challenges of LLM usage. In this paper, we propose a rigorous theoretical framework to…

计算与语言 · 计算机科学 2023-10-16 Xuandong Zhao , Prabhanjan Ananth , Lei Li , Yu-Xiang Wang

As generative audio models are rapidly evolving, AI-generated audios increasingly raise concerns about copyright infringement and misinformation spread. Audio watermarking, as a proactive defense, can embed secret messages into audio for…

密码学与安全 · 计算机科学 2025-12-08 Lingfeng Yao , Chenpei Huang , Shengyao Wang , Junpei Xue , Hanqing Guo , Jiang Liu , Phone Lin , Tomoaki Ohtsuki , Miao Pan

Due to the distributed nature of Federated Learning (FL) systems, each local client has access to the global model, which poses a critical risk of model leakage. Existing works have explored injecting watermarks into local models to enable…

密码学与安全 · 计算机科学 2026-02-10 Jiahao Xu , Rui Hu , Olivera Kotevska , Zikai Zhang

Semantic-level watermarking (SWM) for large language models (LLMs) enhances watermarking robustness against text modifications and paraphrasing attacks by treating the sentence as the fundamental unit. However, existing methods still lack…

密码学与安全 · 计算机科学 2026-03-03 Jiahao Huo , Shuliang Liu , Bin Wang , Junyan Zhang , Yibo Yan , Aiwei Liu , Xuming Hu , Mingxun Zhou

Large Language Model (LLM) watermarking embeds detectable signals into generated text for copyright protection, misuse prevention, and content detection. While prior studies evaluate robustness using watermark removal attacks, these methods…

密码学与安全 · 计算机科学 2025-09-16 Zhaoxi Zhang , Xiaomei Zhang , Yanjun Zhang , He Zhang , Shirui Pan , Bo Liu , Asif Qumer Gill , Leo Yu Zhang

With the increasing use of large language models (LLMs) in daily life, concerns have emerged regarding their potential misuse and societal impact. Watermarking is proposed to trace the usage of specific models by injecting patterns into…

密码学与安全 · 计算机科学 2024-05-24 Baizhou Huang , Xiaojun Wan

Large Language Models (LLMs) have revolutionized natural language processing, but their robustness against adversarial attacks remains a critical concern. We presents a novel white-box style attack approach that exposes vulnerabilities in…

计算与语言 · 计算机科学 2024-09-16 Zeyu Yang , Zhao Meng , Xiaochen Zheng , Roger Wattenhofer

Large language model (LLM) watermarking has shown promise in detecting AI-generated content and mitigating misuse, with prior work claiming robustness against paraphrasing and text editing. In this paper, we argue that existing evaluations…

密码学与安全 · 计算机科学 2026-05-15 Hanbo Huang , Yiran Zhang , Hao Zheng , Xuan Gong , Yihan Li , Lin Liu , Zhuotao Liu , Shiyu Liang

As valuable digital assets, deep neural networks necessitate robust ownership protection, positioning neural network watermarking (NNW) as a promising solution. Among various NNW approaches, weight-based methods are favored for their…

密码学与安全 · 计算机科学 2025-11-27 Yuan Yao , Jin Song , Jian Jin

Latent diffusion models have exhibited considerable potential in generative tasks. Watermarking is considered to be an alternative to safeguard the copyright of generative models and prevent their misuse. However, in the context of model…

密码学与安全 · 计算机科学 2025-02-20 Liangqi Lei , Keke Gai , Jing Yu , Liehuang Zhu , Qi Wu

With the significant advances in deep generative models for image and video synthesis, Deepfakes and manipulated media have raised severe societal concerns. Conventional machine learning classifiers for deepfake detection often fail to cope…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Aakash Varma Nadimpalli , Ajita Rattani

Watermarking has become a plausible candidate for ownership verification and intellectual property protection of deep neural networks. Regarding image classification neural networks, current watermarking schemes uniformly resort to backdoor…

密码学与安全 · 计算机科学 2022-04-12 Fangqi Li , Shilin Wang

With the rapid growth of Large Language Models (LLMs), safeguarding textual content against unauthorized use is crucial. Watermarking offers a vital solution, protecting both - LLM-generated and plain text sources. This paper presents a…

计算与语言 · 计算机科学 2025-07-08 Harsh Nishant Lalai , Aashish Anantha Ramakrishnan , Raj Sanjay Shah , Dongwon Lee

Watermark has been widely deployed by industry to detect AI-generated images. The robustness of such watermark-based detector against evasion attacks in the white-box and black-box settings is well understood in the literature. However, the…

密码学与安全 · 计算机科学 2025-02-20 Yuepeng Hu , Zhengyuan Jiang , Moyang Guo , Neil Zhenqiang Gong

Large Language Models (LLMs) have demonstrated remarkable capabilities across diverse applications, from open-domain question answering to scientific writing, medical decision support, and legal analysis. However, their tendency to generate…

计算与语言 · 计算机科学 2025-12-30 Diyana Muhammed , Giusy Giulia Tuccari , Gollam Rabby , Sören Auer , Sahar Vahdati

The advancement of Large Language Models (LLMs) has led to increasing concerns about the misuse of AI-generated text, and watermarking for LLM-generated text has emerged as a potential solution. However, it is challenging to generate…

计算与语言 · 计算机科学 2024-06-11 Yepeng Liu , Yuheng Bu

Reports regarding the misuse of Generative AI (GenAI) to create deepfakes are frequent. Defensive watermarking enables GenAI providers to hide fingerprints in their images and use them later for deepfake detection. Yet, its potential has…

密码学与安全 · 计算机科学 2024-11-25 Andre Kassis , Urs Hengartner

The rapid spread of text generated by large language models (LLMs) makes it increasingly difficult to distinguish authentic human writing from machine output. Watermarking offers a promising solution: model owners can embed an imperceptible…

密码学与安全 · 计算机科学 2025-11-04 Shingo Kodama , Haya Diwan , Lucas Rosenblatt , R. Teal Witter , Niv Cohen