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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

Watermarking the outputs of large language models (LLMs) is critical for provenance tracing, content regulation, and model accountability. Existing approaches often rely on access to model internals or are constrained by static rules and…

Machine Learning · Computer Science 2025-06-23 Agnibh Dasgupta , Abdullah Tanvir , Xin Zhong

Federated learning (FL) enables multiple clients to collaboratively train a shared global model while preserving the privacy of their local data. Within this paradigm, the intellectual property rights (IPR) of client models are critical…

Machine Learning · Computer Science 2025-11-18 Chen Gu , Yingying Sun , Yifan She , Donghui Hu

In response to the growing popularity of Machine Learning (ML) techniques to solve problems in various industries, various malicious groups have started to target such techniques in their attack plan. However, as ML models are constantly…

Cryptography and Security · Computer Science 2025-03-25 Shahinul Hoque , Farhin Farhad Riya , Yingyuan Yang , Jinyuan Sun

Recent advancements in Large Language Models (LLMs) raised concerns over potential misuse, such as for spreading misinformation. In response two counter measures emerged: machine learning-based detectors that predict if text is synthetic,…

Machine Learning · Computer Science 2025-04-17 David Khachaturov , Robert Mullins , Ilia Shumailov , Sumanth Dathathri

With the application of vertical domain pre-trained language models (VPLMs) in specialized fields such as medical, finance, and law, model parameters and inference capabilities have become important digital assets. Achieving traceable…

Cryptography and Security · Computer Science 2026-05-05 Cong Kong , Xin Cheng , Zhaoxia Yin , Shuai Li , Jie Zhang , Weiming Zhang

As large language models (LLMs) are increasingly deployed for text generation, watermarking has become essential for authorship attribution, intellectual property protection, and misuse detection. While existing watermarking methods perform…

Computation and Language · Computer Science 2026-01-09 Amit Bin Tariqul , A N M Zahid Hossain Milkan , Sahab-Al-Chowdhury , Syed Rifat Raiyan , Hasan Mahmud , Md Kamrul Hasan

The rapid development of LLMs has raised concerns about their potential misuse, leading to various watermarking schemes that typically offer high detectability. However, existing watermarking techniques often face trade-off between…

Cryptography and Security · Computer Science 2025-10-21 Chenrui Wang , Junyi Shu , Billy Chiu , Yu Li , Saleh Alharbi , Min Zhang , Jing Li

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

Digital watermarking is a promising solution for mitigating some of the risks arising from the misuse of automatically generated text. These approaches either embed non-specific watermarks to allow for the detection of any text generated by…

Cryptography and Security · Computer Science 2025-06-23 Zihao Fu , Chris Russell

LLM agents rely heavily on high-quality trajectory data to guide their problem-solving behaviors, yet producing such data requires substantial task design, high-capacity model generation, and manual filtering. Despite the high cost of…

Cryptography and Security · Computer Science 2026-05-05 Wenlong Meng , Chen Gong , Terry Yue Zhuo , Fan Zhang , Kecen Li , Zheng Liu , Zhou Yang , Chengkun Wei , Wenzhi Chen

Watermarking LLM-generated text is critical for content attribution and misinformation prevention. However, existing methods compromise text quality, require white-box model access and logit manipulation. These limitations exclude API-based…

Computation and Language · Computer Science 2026-01-13 Zhuohao Yu , Xingru Jiang , Weizheng Gu , Yidong Wang , Qingsong Wen , Shikun Zhang , Wei Ye

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

The vast amounts of digital content captured from the real world or AI-generated media necessitate methods for copyright protection, traceability, or data provenance verification. Digital watermarking serves as a crucial approach to address…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Vitaliy Kinakh , Brian Pulfer , Yury Belousov , Pierre Fernandez , Teddy Furon , Slava Voloshynovskiy

Large language models (LLMs) have attracted significant attention in recent years. Due to their "Large" nature, training LLMs from scratch consumes immense computational resources. Since several major players in the artificial intelligence…

Cryptography and Security · Computer Science 2024-09-12 Heng Jin , Chaoyu Zhang , Shanghao Shi , Wenjing Lou , Y. Thomas Hou

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

The proliferation of large language models for code (CodeLMs) and open-source contributions has heightened concerns over unauthorized use of source code datasets. While watermarking provides a viable protection mechanism by embedding…

Cryptography and Security · Computer Science 2026-04-21 Yuchen Chen , Yuan Xiao , Chunrong Fang , Zhenyu Chen , Baowen Xu

Large Language Models (LLMs) can be misused to spread unwanted content at scale. Content watermarking deters misuse by hiding messages in content, enabling its detection using a secret watermarking key. Robustness is a core security…

Cryptography and Security · Computer Science 2025-05-22 Abdulrahman Diaa , Toluwani Aremu , Nils Lukas

The commercial use of Machine Learning (ML) is spreading; at the same time, ML models are becoming more complex and more expensive to train, which makes Intellectual Property Protection (IPP) of trained models a pressing issue. Unlike other…

Machine Learning · Computer Science 2023-04-27 Isabell Lederer , Rudolf Mayer , Andreas Rauber

Large language models (LLMs) are considered valuable Intellectual Properties (IP) for legitimate owners due to the enormous computational cost of training. It is crucial to protect the IP of LLMs from malicious stealing or unauthorized…

Cryptography and Security · Computer Science 2026-02-03 Yuliang Yan , Haochun Tang , Shuo Yan , Enyan Dai