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2019 | OriginalPaper | Chapter

Generic Constructions of Robustly Reusable Fuzzy Extractor

Authors : Yunhua Wen, Shengli Liu, Dawu Gu

Published in: Public-Key Cryptography – PKC 2019

Publisher: Springer International Publishing

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Abstract

Robustly reusable Fuzzy Extractor (rrFE) considers reusability and robustness simultaneously. We present two approaches to the generic construction of rrFE. Both of approaches make use of a secure sketch and universal hash functions. The first approach also employs a special pseudo-random function (PRF), namely unique-input key-shift (ui-ks) secure PRF, and the second uses a key-shift secure auxiliary-input authenticated encryption (AIAE). The ui-ks security of PRF (resp. key-shift security of AIAE), together with the homomorphic properties of secure sketch and universal hash function, guarantees the reusability and robustness of rrFE. Meanwhile, we show two instantiations of the two approaches respectively. The first instantiation results in the first rrFE from the LWE assumption, while the second instantiation results in the first rrFE from the DDH assumption over non-pairing groups.

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Footnotes
1
As noted by Galbraith [13], the symmetric pairings (i.e., Type 1 pairings) are now essentially dead and it would be better in future to design protocols that do not require Type 1 pairings.
 
Literature
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go back to reference Suh, G.E., Devadas, S.: Physical unclonable functions for device authentication and secret key generation. In: Proceedings of the 44th Annual Design Automation Conference, pp. 9–14 (2007) Suh, G.E., Devadas, S.: Physical unclonable functions for device authentication and secret key generation. In: Proceedings of the 44th Annual Design Automation Conference, pp. 9–14 (2007)
Metadata
Title
Generic Constructions of Robustly Reusable Fuzzy Extractor
Authors
Yunhua Wen
Shengli Liu
Dawu Gu
Copyright Year
2019
DOI
https://doi.org/10.1007/978-3-030-17259-6_12

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