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We propose IrisFP, a novel adversarial-example-based model fingerprinting framework that enhances both uniqueness and robustness by leveraging multi-boundary characteristics, multi-sample behaviors, and fingerprint discriminative power…

Cryptography and Security · Computer Science 2026-03-31 Ziye Geng , Guang Yang , Yihang Chen , Changqing Luo

Protecting the intellectual property of large language models (LLMs) is crucial, given the substantial resources required for their training. Consequently, there is an urgent need for both model owners and third parties to determine whether…

Computation and Language · Computer Science 2026-02-17 Boyi Zeng , Lin Chen , Ziwei He , Xinbing Wang , Zhouhan Lin

The performance of modern machine learning systems depends on access to large, high-quality datasets, often sourced from user-generated content or proprietary, domain-specific corpora. However, these rich datasets inherently contain…

Cryptography and Security · Computer Science 2025-08-28 Zhan Shi , Yefeng Yuan , Yuhong Liu , Liang Cheng , Yi Fang

This paper proposes DeepMarks, a novel end-to-end framework for systematic fingerprinting in the context of Deep Learning (DL). Remarkable progress has been made in the area of deep learning. Sharing the trained DL models has become a trend…

Cryptography and Security · Computer Science 2018-04-11 Huili Chen , Bita Darvish Rohani , Farinaz Koushanfar

Large Language Models (LLMs) have become foundational in modern artificial intelligence, powering a wide range of applications from code generation and virtual assistants to scientific research and enterprise automation. However, concerns…

Machine Learning · Computer Science 2025-05-20 Le Vu Anh , Dinh Duc Nha Nguyen , Phi Long Nguyen

Large vision models (LVMs) achieve remarkable performance in various downstream tasks, primarily by personalizing pre-trained models through fine-tuning with private and valuable local data, which makes the personalized model a valuable…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Linghui Zhu , Yiming Li , Haiqin Weng , Yan Liu , Tianwei Zhang , Shu-Tao Xia , Zhi Wang

The deep learning (DL) technology has been widely used for image classification in many scenarios, e.g., face recognition and suspect tracking. Such a highly commercialized application has given rise to intellectual property protection of…

Cryptography and Security · Computer Science 2022-09-07 Guowen Xu , Xingshuo Han , Anguo Zhang , Tianwei Zhang

Large Language Models (LLMs) represent valuable intellectual property (IP), reflecting significant investments in training data, compute, and expertise. Deploying these models on partially trusted or insecure devices introduces substantial…

Cryptography and Security · Computer Science 2025-10-30 Racchit Jain , Satya Lokam , Yehonathan Refael , Adam Hakim , Lev Greenberg , Jay Tenenbaum

The widespread deployment of large language models (LLMs) has intensified concerns around intellectual property (IP) protection, as model theft and unauthorized redistribution become increasingly feasible. To address this, model…

Computation and Language · Computer Science 2025-09-15 Zhenhua Xu , Xixiang Zhao , Xubin Yue , Shengwei Tian , Changting Lin , Meng Han

This paper introduces EmMark,a novel watermarking framework for protecting the intellectual property (IP) of embedded large language models deployed on resource-constrained edge devices. To address the IP theft risks posed by malicious…

Cryptography and Security · Computer Science 2024-02-29 Ruisi Zhang , Farinaz Koushanfar

Large language models (LLMs) demonstrate remarkable capabilities across various tasks. However, their deployment introduces significant risks related to intellectual property. In this context, we focus on model stealing attacks, where…

Cryptography and Security · Computer Science 2025-10-28 Kieu Dang , Phung Lai , NhatHai Phan , Yelong Shen , Ruoming Jin , Abdallah Khreishah

Large language models (LLMs) have distinct and consistent stylistic fingerprints, even when prompted to write in different writing styles. Detecting these fingerprints is important for many reasons, among them protecting intellectual…

Computation and Language · Computer Science 2025-03-04 Yehonatan Bitton , Elad Bitton , Shai Nisan

As spiking neural networks (SNNs) gain traction in deploying neuromorphic computing solutions, protecting their intellectual property (IP) has become crucial. Without adequate safeguards, proprietary SNN architectures are at risk of theft,…

Cryptography and Security · Computer Science 2025-01-31 Hamed Poursiami , Ihsen Alouani , Maryam Parsa

The rapid advancement of customized Large Language Models (LLMs) offers considerable convenience. However, it also intensifies concerns regarding the protection of copyright/confidential information. With the extensive adoption of private…

Cryptography and Security · Computer Science 2024-12-18 Yuehan Zhang , Peizhuo Lv , Yinpeng Liu , Yongqiang Ma , Wei Lu , Xiaofeng Wang , Xiaozhong Liu , Jiawei Liu

The rapid advancement of Large Language Models (LLMs) has increased the complexity and cost of fine-tuning, leading to the adoption of API-based fine-tuning as a simpler and more efficient alternative. While this method is popular among…

Computation and Language · Computer Science 2025-03-17 Hongyu Su , Yifeng Gao , Yifan Ding , Xingjun Ma

Adversarial-example-based fingerprinting approaches, which leverage the decision boundary characteristics of deep neural networks (DNNs) to craft fingerprints, have proven effective for model ownership protection. However, a fundamental…

Cryptography and Security · Computer Science 2026-03-24 Guang Yang , Ziye Geng , Yihang Chen , Changqing Luo

Current benchmarks for Large Language Models (LLMs) primarily focus on performance metrics, often failing to capture the nuanced behavioral characteristics that differentiate them. This paper introduces a novel ``Behavioral Fingerprinting''…

Computation and Language · Computer Science 2025-09-08 Zehua Pei , Hui-Ling Zhen , Ying Zhang , Zhiyuan Yang , Xing Li , Xianzhi Yu , Mingxuan Yuan , Bei Yu

As content generated by Large Language Model (LLM) has grown exponentially, the ability to accurately identify and fingerprint such text has become increasingly crucial. In this work, we introduce a novel black-box approach for…

Cryptography and Security · Computer Science 2024-08-07 Dmitri Iourovitski , Sanat Sharma , Rakshak Talwar

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

Protecting the intellectual property of large language models requires robust ownership verification. Conventional backdoor fingerprinting, however, is flawed by a stealth-robustness paradox: to be robust, these methods force models to…

Cryptography and Security · Computer Science 2026-01-22 Zhenhua Xu , Xiaoning Tian , Wenjun Zeng , Wenpeng Xing , Tianliang Lu , Gaolei Li , Chaochao Chen , Meng Han