English
Related papers

Related papers: Covert Multi-bit LLM Watermarking: An Information …

200 papers

Large Language Models (LLMs) have demonstrated remarkable capabilities, but their training requires extensive data and computational resources, rendering them valuable digital assets. Therefore, it is essential to watermark LLMs to protect…

Cryptography and Security · Computer Science 2025-10-21 Shuai Li , Kejiang Chen , Jun Jiang , Jie Zhang , Qiyi Yao , Kai Zeng , Weiming Zhang , Nenghai Yu

Watermarking acts as a critical safeguard in text generated by Large Language Models (LLMs). By embedding identifiable signals into model outputs, watermarking enables reliable attribution and enhances the security of machine-generated…

Computation and Language · Computer Science 2026-05-29 Yukang Lin , Jiahao Shao , Shuoran Jiang , Wentao Zhu , Bingjie Lu , Xiangping Wu , Joanna Siebert , Qingcai Chen

The indistinguishability of large language model (LLM) output from human-authored content poses significant challenges, raising concerns about potential misuse of AI-generated text and its influence on future model training. Watermarking…

Cryptography and Security · Computer Science 2026-04-16 Alexander Nemecek , Yuzhou Jiang , Erman Ayday

Large language models (LLMs) have gained significant popularity in recent years. Differentiating between a text written by a human and one generated by an LLM has become almost impossible. Information-hiding techniques such as digital…

Cryptography and Security · Computer Science 2025-08-22 Malte Hellmeier , Hendrik Norkowski , Ernst-Christoph Schrewe , Haydar Qarawlus , Falk Howar

Watermarking has recently emerged as an effective strategy for detecting the outputs of large language models (LLMs). Most existing schemes require white-box access to the model's next-token probability distribution, which is typically not…

Cryptography and Security · Computer Science 2026-02-24 Dara Bahri , John Wieting

This paper considers the problem of multi-bit generative watermarking for large language models under a worst-case false-alarm constraint. Prior work established a lower bound on the achievable miss-detection probability in the finite-token…

Information Theory · Computer Science 2026-04-13 Yu-Shin Huang , Chao Tian , Krishna Narayanan

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.…

Cryptography and Security · Computer Science 2024-05-21 Aiwei Liu , Leyi Pan , Xuming Hu , Shiao Meng , Lijie Wen

We consider the emerging problem of identifying the presence and use of watermarking schemes in widely used, publicly hosted, closed source large language models (LLMs). We introduce a suite of baseline algorithms for identifying watermarks…

Machine Learning · Computer Science 2023-05-31 Leonard Tang , Gavin Uberti , Tom Shlomi

The most effective techniques to detect LLM-generated text rely on inserting a detectable signature -- or watermark -- during the model's decoding process. Most existing watermarking methods require access to the underlying LLM's logits,…

Machine Learning · Computer Science 2024-10-14 Yapei Chang , Kalpesh Krishna , Amir Houmansadr , John Wieting , Mohit Iyyer

The rapid advancement of large language models (LLMs) has raised concerns regarding their potential misuse, particularly in generating fake news and misinformation. To address these risks, watermarking techniques for autoregressive language…

Cryptography and Security · Computer Science 2025-06-24 Koichi Nagatsuka , Terufumi Morishita , Yasuhiro Sogawa

Large Language Models (LLMs) have demonstrated remarkable capabilities of generating texts resembling human language. However, they can be misused by criminals to create deceptive content, such as fake news and phishing emails, which raises…

Cryptography and Security · Computer Science 2025-01-29 Wenjie Qu , Wengrui Zheng , Tianyang Tao , Dong Yin , Yanze Jiang , Zhihua Tian , Wei Zou , Jinyuan Jia , Jiaheng Zhang

In the rapidly evolving domain of artificial intelligence, safeguarding the intellectual property of Large Language Models (LLMs) is increasingly crucial. Current watermarking techniques against model extraction attacks, which rely on…

Cryptography and Security · Computer Science 2024-05-03 Minhao Bai , Kaiyi Pang , Yongfeng Huang

Code Large Language Models (Code LLMs) have revolutionized software development but raised critical concerns regarding code provenance, copyright protection, and security. Existing code watermarking approaches suffer from two fundamental…

Cryptography and Security · Computer Science 2026-04-20 Yuqing Nie , Chong Wang , Guosheng Xu , Guoai Xu , Chenyu Wang , Haoyu Wang , Kailong Wang

In this paper, we study the problem of watermarking large language models (LLMs). We consider the trade-off between model distortion and detection ability and formulate it as a constrained optimization problem based on the red-green list…

Machine Learning · Computer Science 2026-04-08 Zhongze Cai , Shang Liu , Hanzhao Wang , Huaiyang Zhong , Xiaocheng Li

LLMs now exhibit human-like skills in various fields, leading to worries about misuse. Thus, detecting generated text is crucial. However, passive detection methods are stuck in domain specificity and limited adversarial robustness. To…

Computation and Language · Computer Science 2023-05-17 Xi Yang , Kejiang Chen , Weiming Zhang , Chang Liu , Yuang Qi , Jie Zhang , Han Fang , Nenghai Yu

The Large Language Model (LLM) watermark is a newly emerging technique that shows promise in addressing concerns surrounding LLM copyright, monitoring AI-generated text, and preventing its misuse. The LLM watermark scheme commonly includes…

Cryptography and Security · Computer Science 2024-05-31 Zhaoxi Zhang , Xiaomei Zhang , Yanjun Zhang , Leo Yu Zhang , Chao Chen , Shengshan Hu , Asif Gill , Shirui Pan

We study multi-bit watermarking for data generated by stochastic processes, where a hidden message is embedded during sampling and must be decodable by an authorized detector that possesses side information unavailable to unauthorized…

Information Theory · Computer Science 2026-05-12 Haiyun He , Yepeng Liu , Zhuoer Shen , Ziqiao Wang , Yongyi Mao , Yuheng Bu

Watermarking is a technique that involves embedding nearly unnoticeable statistical signals within generated content to help trace its source. This work focuses on a scenario where an untrusted third-party user sends prompts to a trusted…

Machine Learning · Computer Science 2024-10-29 Xingchi Li , Guanxun Li , Xianyang Zhang

We consider a public multi-user information embedding (watermarking) system in which two messages (watermarks) are independently embedded into two correlated covertexts and are transmitted through a multiple-access attack channel. The…

Information Theory · Computer Science 2010-03-09 Yangfan Zhong , Yadong Wang , Fady Alajaji , Tamas Linder

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