Thunderbird: Efficient Homomorphic Evaluation of Symmetric Ciphers in 3GPP by combining two modes of TFHE
Abstract: Hybrid homomorphic encryption (a.k.a., transciphering) can alleviate the ciphertext size expansion inherent to fully homomorphic encryption by integrating a specific symmetric encryption scheme, which requires selected symmetric encryption scheme that can be efficiently evaluated homomorphically. While there has been a recent surge in the development of FHE-friendly ciphers, concerns have arisen regarding their security. A significant challenge for the transciphering community remains the efficient evaluation of symmetric encryption algorithms that have undergone extensive study and standardization. In this paper, we present an evaluation framework, dubbed Thunderbird, which for the first time presents efficient homomorphic implementations of stream ciphers SNOW 3G and ZUC that are standardized in the 3G Partnership Project (3GPP). Specifically, Thunderbird combines gate bootstrapping mode and leveled evaluation mode of TFHE to cater to various function types within symmetric encry.... https://tches.iacr.org/index.php/TCHES/article/view/11687
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Thunderbird: Efficient Homomorphic Evaluation of Symmetric Ciphers in 3GPP by combining two modes of TFHE ; volume:2024 ; number:3 ; year:2024
IACR transactions on cryptographic hardware and embedded systems ; 2024, Heft 3 (2024)
- Creator
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Wei, Benqiang
Lu, Xianhui
Wang, Ruida
Liu, Kun
Li, Zhihao
Wang, Kunpeng
- DOI
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10.46586/tches.v2024.i3.530-573
- URN
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urn:nbn:de:101:1-2407241854465.176183248746
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 11:03 AM CEST
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Associated
- Wei, Benqiang
- Lu, Xianhui
- Wang, Ruida
- Liu, Kun
- Li, Zhihao
- Wang, Kunpeng
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