Author

Yuqi Qian

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Preprint Aug 2026

DHMark: Public-Key Watermarking for LLM-Generated Text via Diffie-Hellman-Guided Rejection Sampling

DHMark is introduced, a public-key watermarking framework for LLM-generated text that avoids exact recovery of a long embedded signature and instead treats watermark detection as registry-aided statistical evidence aggregation.

Haocheng Fu, Yuqi Qian, Luyao Wang et al. · 0 citations

Preprint Jul 2026

AnchorMark: Robust Diffusion Watermarking via Latent-Space Rotation Synchrony

Inversion-based watermarking embeds watermark payloads directly into the generative process, avoiding a separate post-hoc image-domain embedding stage while preserving the native visual fidelity of synthesized images. However, existing methods remain vulnerable to compound lossy post-processing, particularly when rotat...

Yuqi Qian, Yun Cao, Haocheng Fu et al. · 0 citations