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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2501.15645 |
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| _version_ | 1866913666771714048 |
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| author | Tarnopolsky, Saar Zirui Deng Ramkumar, Vinayak Raviv, Netanel Cohen, Alejandro |
| author_facet | Tarnopolsky, Saar Zirui Deng Ramkumar, Vinayak Raviv, Netanel Cohen, Alejandro |
| contents | In this paper, we address the problem of secure distributed computation in scenarios where user data is not uniformly distributed, extending existing frameworks that assume uniformity, an assumption that is challenging to enforce in data for computation. Motivated by the pervasive reliance on single service providers for data storage and computation, we propose a privacy-preserving scheme that achieves information-theoretic security guarantees for computing polynomials over non-uniform data distributions. Our framework builds upon the concept of perfect subset privacy and employs linear hashing techniques to transform non-uniform data into approximately uniform distributions, enabling robust and secure computation. We derive leakage bounds and demonstrate that information leakage of any subset of user data to untrusted service providers, i.e., not only to colluding workers but also (and more importantly) to the admin, remains negligible under the proposed scheme. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_15645 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Individual Confidential Computing of Polynomials over Non-Uniform Information Tarnopolsky, Saar Zirui Deng Ramkumar, Vinayak Raviv, Netanel Cohen, Alejandro Information Theory In this paper, we address the problem of secure distributed computation in scenarios where user data is not uniformly distributed, extending existing frameworks that assume uniformity, an assumption that is challenging to enforce in data for computation. Motivated by the pervasive reliance on single service providers for data storage and computation, we propose a privacy-preserving scheme that achieves information-theoretic security guarantees for computing polynomials over non-uniform data distributions. Our framework builds upon the concept of perfect subset privacy and employs linear hashing techniques to transform non-uniform data into approximately uniform distributions, enabling robust and secure computation. We derive leakage bounds and demonstrate that information leakage of any subset of user data to untrusted service providers, i.e., not only to colluding workers but also (and more importantly) to the admin, remains negligible under the proposed scheme. |
| title | Individual Confidential Computing of Polynomials over Non-Uniform Information |
| topic | Information Theory |
| url | https://arxiv.org/abs/2501.15645 |