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New RAG Framework Uses Homomorphic Encryption for Enhanced Privacy

Researchers have developed "GoldenRetriever," a novel framework for privacy-preserving retrieval-augmented generation (RAG) that utilizes non-interactive homomorphic encryption. This approach addresses the privacy concerns associated with RAG systems that typically process sensitive data in plaintext. By employing threshold selection instead of expensive top-k ranking under encryption, GoldenRetriever significantly reduces latency and computational complexity. The system uses CKKS-based homomorphic computation for encrypted similarity evaluation and document selection, ensuring that query content and intermediate scores remain confidential. Experiments show competitive retrieval effectiveness and a substantial reduction in latency compared to previous encrypted methods, paving the way for more secure and scalable RAG applications. AI

IMPACT Enhances privacy in RAG systems, potentially enabling wider adoption of LLMs with sensitive data.

RANK_REASON The cluster contains two arXiv papers detailing novel research on privacy-preserving retrieval methods for RAG systems.

Read on arXiv cs.CL →

AI-generated summary · Google Gemini · from 3 sources. How we write summaries →

New RAG Framework Uses Homomorphic Encryption for Enhanced Privacy

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The cluster contains two arXiv papers detailing novel research on privacy-preserving retrieval methods for RAG systems.
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COVERAGE [3]

  1. arXiv cs.CL TIER_1 English(EN) · Yang Gao, Gang Quan, Scott Piersall, Qian Lou, Dongdong Wang, Liqiang Wang ·

    GoldenRetriever: Non-Interactive Homomorphic Encrypted Retrieval for Privacy-Preserving RAG

    arXiv:2607.29019v1 Announce Type: cross Abstract: Retrieval-Augmented Generation (RAG) enhances large language models by incorporating external knowledge, but existing pipelines typically operate on plaintext data, raising significant privacy concerns. Prior work on privacy-prese…

  2. arXiv cs.IR (Information Retrieval) TIER_1 English(EN) · Liqiang Wang ·

    GoldenRetriever: Non-Interactive Homomorphic Encrypted Retrieval for Privacy-Preserving RAG

    Retrieval-Augmented Generation (RAG) enhances large language models by incorporating external knowledge, but existing pipelines typically operate on plaintext data, raising significant privacy concerns. Prior work on privacy-preserving retrieval leverages cryptographic techniques…

  3. arXiv cs.AI TIER_1 English(EN) · William Zerong Wang, Dongfang Zhao ·

    Balancing Privacy and Efficiency: Music Information Retrieval via Additive Homomorphic Encryption

    arXiv:2508.07044v2 Announce Type: replace-cross Abstract: Modern music retrieval runs on vector embeddings, and once these embeddings are shared for search or matching they can be copied, probed, or used to train generative models. Fully homomorphic encryption can compute on them…