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Related papers: Black-Box Detection of Language Model Watermarks

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We introduce the first watermark tailored for diffusion language models (DLMs), an emergent LLM paradigm able to generate tokens in arbitrary order, in contrast to standard autoregressive language models (ARLMs) which generate tokens…

Machine Learning · Computer Science 2026-02-20 Thibaud Gloaguen , Robin Staab , Nikola Jovanović , Martin Vechev

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

Watermarking for large language models (LLMs) offers a promising approach to identifying AI-generated text. Existing approaches, however, either compromise the distribution of original generated text by LLMs or are limited to embedding…

Cryptography and Security · Computer Science 2025-06-09 Ya Jiang , Chuxiong Wu , Massieh Kordi Boroujeny , Brian Mark , Kai Zeng

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

Large Language Models (LLMs) are increasingly integrated into diverse industries, posing substantial security risks due to unauthorized replication and misuse. To mitigate these concerns, robust identification mechanisms are widely…

Cryptography and Security · Computer Science 2024-07-25 Xuhong Wang , Haoyu Jiang , Yi Yu , Jingru Yu , Yilun Lin , Ping Yi , Yingchun Wang , Yu Qiao , Li Li , Fei-Yue Wang

With the widespread adoption of Large Language Models (LLMs), concerns about potential misuse have emerged. To this end, watermarking has been adapted to LLM, enabling a simple and effective way to detect and monitor generated text.…

Cryptography and Security · Computer Science 2024-07-22 Duy C. Hoang , Hung T. Q. Le , Rui Chu , Ping Li , Weijie Zhao , Yingjie Lao , Khoa D. Doan

We present a publicly-detectable watermarking scheme for LMs: the detection algorithm contains no secret information, and it is executable by anyone. We embed a publicly-verifiable cryptographic signature into LM output using rejection…

Machine Learning · Computer Science 2025-01-07 Jaiden Fairoze , Sanjam Garg , Somesh Jha , Saeed Mahloujifar , Mohammad Mahmoody , Mingyuan Wang

Given a text, can we determine whether it was generated by a large language model (LLM) or by a human? A widely studied approach to this problem is watermarking. We propose an undetectable and elementary watermarking scheme in the closed…

Cryptography and Security · Computer Science 2025-06-26 Pedro Abdalla , Roman Vershynin

We present the first in depth study on the robustness of existing watermarking techniques applied to code generated by large language models (LLMs). As LLMs increasingly contribute to software development, watermarking has emerged as a…

Cryptography and Security · Computer Science 2025-08-21 Tarun Suresh , Shubham Ugare , Gagandeep Singh , Sasa Misailovic

As Large Language Models (LLMs) become increasingly sophisticated, they raise significant security concerns, including the creation of fake news and academic misuse. Most detectors for identifying model-generated text are limited by their…

Cryptography and Security · Computer Science 2024-10-10 Zhenyu Xu , Victor S. Sheng

LLM watermarks allow tracing AI-generated texts by inserting a detectable signal into their generated content. Recent works have proposed a wide range of watermarking algorithms, each with distinct designs, usually built using a bottom-up…

Cryptography and Security · Computer Science 2026-02-09 Thibaud Gloaguen , Robin Staab , Nikola Jovanović , Martin Vechev

Recent advances in Large Language Models (LLMs) have raised urgent concerns about LLM-generated text authenticity, prompting regulatory demands for reliable identification mechanisms. Although watermarking offers a promising solution,…

Computation and Language · Computer Science 2025-08-26 Xiaoyan Feng , He Zhang , Yanjun Zhang , Leo Yu Zhang , Shirui Pan

Watermarking has emerged as a prominent technique for LLM-generated content detection by embedding imperceptible patterns. Despite supreme performance, its robustness against adversarial attacks remains underexplored. Previous work…

Computation and Language · Computer Science 2024-11-08 Baizhou Huang , Xiao Pu , Xiaojun Wan

Text watermarking for large language models (LLMs) enables model owners to verify text origin and protect intellectual property. While watermarking methods for closed-source LLMs are relatively mature, extending them to open-source models…

Cryptography and Security · Computer Science 2025-10-29 Jiaqi Xue , Yifei Zhao , Mansour Al Ghanim , Shangqian Gao , Ruimin Sun , Qian Lou , Mengxin Zheng

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…

Computation and Language · Computer Science 2023-10-16 Xuandong Zhao , Prabhanjan Ananth , Lei Li , Yu-Xiang Wang

As large language models (LLMs) grow more powerful, concerns over copyright infringement of LLM-generated texts have intensified. LLM watermarking has been proposed to trace unauthorized redistribution or resale of generated content by…

Cryptography and Security · Computer Science 2025-08-05 Qihao Lin , Chen Tang , Lan zhang , Junyang zhang , Xiangyang Li

Large language models (LLMs) have demonstrated outstanding performance, making them valuable digital assets with significant commercial potential. Unfortunately, the LLM and its API are susceptible to intellectual property theft.…

Cryptography and Security · Computer Science 2024-07-25 Shuai Li , Kejiang Chen , Kunsheng Tang , Jie Zhang , Weiming Zhang , Nenghai Yu , Kai Zeng

Recent advances in the capabilities of large language models such as GPT-4 have spurred increasing concern about our ability to detect AI-generated text. Prior works have suggested methods of embedding watermarks in model outputs, by…

Cryptography and Security · Computer Science 2023-06-16 Miranda Christ , Sam Gunn , Or Zamir

Detecting whether copyright holders' works were used in LLM pretraining is poised to be an important problem. This work proposes using data watermarks to enable principled detection with only black-box model access, provided that the…

Cryptography and Security · Computer Science 2024-08-20 Johnny Tian-Zheng Wei , Ryan Yixiang Wang , Robin Jia

Watermarking has emerged as a promising technique for detecting texts generated by LLMs. Current research has primarily focused on three design criteria: high quality of the watermarked text, high detectability, and robustness against…

Cryptography and Security · Computer Science 2025-04-11 Li An , Yujian Liu , Yepeng Liu , Yang Zhang , Yuheng Bu , Shiyu Chang