How to Watermark the RLWE Homomorphic Ciphertexts

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arXiv:2607.25222v1 Announce Type: new Abstract: In recent years, homomorphic encryption (HE) schemes based on the Ring Learning with Errors (RLWE) problem have rapidly developed and been widely applied to secure computation tasks, including privacy-preserving deep learning inference, privacy-preserving database queries, and related applications. However, most existing HE schemes focus primarily on the feasibility and efficiency of homomorphic computation, often neglecting practical requirements