Watermarking Generative Categorical Data

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Hauptverfasser: Gu, Bochao, He, Hengzhi, Cheng, Guang
Format: Preprint
Veröffentlicht: 2024
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author Gu, Bochao
He, Hengzhi
Cheng, Guang
author_facet Gu, Bochao
He, Hengzhi
Cheng, Guang
contents In this paper, we propose a novel statistical framework for watermarking generative categorical data. Our method systematically embeds pre-agreed secret signals by splitting the data distribution into two components and modifying one distribution based on a deterministic relationship with the other, ensuring the watermark is embedded at the distribution-level. To verify the watermark, we introduce an insertion inverse algorithm and detect its presence by measuring the total variation distance between the inverse-decoded data and the original distribution. Unlike previous categorical watermarking methods, which primarily focus on embedding watermarks into a given dataset, our approach operates at the distribution-level, allowing for verification from a statistical distributional perspective. This makes it particularly well-suited for the modern paradigm of synthetic data generation, where the underlying data distribution, rather than specific data points, is of primary importance. The effectiveness of our method is demonstrated through both theoretical analysis and empirical validation.
format Preprint
id arxiv_https___arxiv_org_abs_2411_10898
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Watermarking Generative Categorical Data
Gu, Bochao
He, Hengzhi
Cheng, Guang
Cryptography and Security
Machine Learning
In this paper, we propose a novel statistical framework for watermarking generative categorical data. Our method systematically embeds pre-agreed secret signals by splitting the data distribution into two components and modifying one distribution based on a deterministic relationship with the other, ensuring the watermark is embedded at the distribution-level. To verify the watermark, we introduce an insertion inverse algorithm and detect its presence by measuring the total variation distance between the inverse-decoded data and the original distribution. Unlike previous categorical watermarking methods, which primarily focus on embedding watermarks into a given dataset, our approach operates at the distribution-level, allowing for verification from a statistical distributional perspective. This makes it particularly well-suited for the modern paradigm of synthetic data generation, where the underlying data distribution, rather than specific data points, is of primary importance. The effectiveness of our method is demonstrated through both theoretical analysis and empirical validation.
title Watermarking Generative Categorical Data
topic Cryptography and Security
Machine Learning
url https://arxiv.org/abs/2411.10898