搜索结果: 1-15 共查到“军事学 Fuzzy Extractors”相关记录15条 . 查询时间(0.063 秒)
When are Continuous-Source Fuzzy Extractors Possible?
fuzzy extractors secure sketches information-theory
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2018/5/22
Fuzzy extractors (Dodis et al., Eurocrypt 2004) convert repeated noisy readings of a high-entropy source into the same uniformly distributed key. The ideal functionality of a fuzzy extractor outputs t...
Efficient, Reusable Fuzzy Extractors from LWE
fuzzy extractors biometrics
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2017/8/8
A fuzzy extractor (FE), proposed for deriving cryptographic keys from biometric data, enables reproducible generation of high-quality randomness from noisy inputs having sufficient min-entropy. FEs re...
Robust Fuzzy Extractors and Helper Data Manipulation Attacks Revisited: Theory vs Practice
Fuzzy Extractor Physical Unclonable Functions Implementation Attacks
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2017/6/2
Fuzzy extractors have been proposed in 2004 by Dodis et al. as a secure way to generate cryptographic keys from noisy sources. Originally, biometrics were the main motivation for fuzzy extractors but ...
Practical Reusable Fuzzy Extractors for the Set Difference Metric and Adaptive Fuzzy Extractors
fuzzy extractors reusability adaptive fuzzy extractors
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2016/12/7
A Fuzzy Extractor (Dodis et al., Eurocrypt 2004) is a two-step protocol that turns a noisy secret into a uniformly distributed key R. To eliminate noise, the generation procedure takes as inputs an en...
Reusable Fuzzy Extractors via Digital Lockers
Fuzzy extractors reusability key derivation
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2016/1/23
Fuzzy extractors (Dodis et al., Eurocrypt 2004) convert repeated noisy readings of a secret into the same uniformly distributed key. To eliminate noise, they require an initial enrollment phase that ...
On the Possibilities and Limitations of Computational Fuzzy Extractors
error-correcting code leakage-resilient cryptography key encapsulation mechanism
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2016/1/8
Fuller et al. (Asiacrypt 2013) studied on computational fuzzy extractors, and showed, as a
negative result, that the existence of a computational “secure sketch” implies the existence of an
informat...
Eliminating Leakage in Reverse Fuzzy Extractors
Physically Unclonable Functions Fuzzy Extractors Authentication
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2016/1/7
In recent years Physically Unclonable Functions (PUFs) have been proposed as a promising building block for security related scenarios like key storage and authentication. PUFs are physical systems an...
Trapdoor Computational Fuzzy Extractors
Physical Unclonable Function PUF ring oscillator
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2016/1/5
We describe a method of cryptographically-secure key extraction from a noisy biometric source. The computational security of our method can be clearly argued through hardness of Learning Parity With N...
When are Fuzzy Extractors Possible?
Fuzzy extractors secure sketches information theory
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2016/1/5
Fuzzy extractors (Dodis et al., Eurocrypt 2004) convert repeated noisy readings of a high-entropy
secret into the same uniformly distributed key. A minimum condition for the security of the key is th...
Computational Fuzzy Extractors
Fuzzy extractors secure sketches
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2014/3/12
Fuzzy extractors derive strong keys from noisy sources. Their security is defined information- theoretically, which limits the length of the derived key, sometimes making it too short to be useful. We...
Robust Fuzzy Extractors and Authenticated Key Agreement from Close Secrets
Information Reconciliation Privacy Amplification Fuzzy Extractors Randomness Extractors Error-Correcting Codes Biometric Authentication
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2010/8/26
Consider two parties holding samples from correlated distributions W and W', respectively, that are within distance t of each other in some metric space. These parties wish to agree on a uniformly dis...
Fuzzy extractors for continuous distributions
Fuzzy extractors continuous distributions
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2009/11/18
We show that there is a direct relation between the maximum length of
the keys extracted from biometric data and the error rates of the biometric
system. The length of the bio-key depends on the amo...
Detection of AlgebraicManipulation with Applications to Robust Secret Sharing and Fuzzy Extractors
AlgebraicManipulation Robust Secret Sharing Fuzzy Extractors
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2009/6/2
Consider an abstract storage device (G) that can hold a single element x from a fixed, publicly known
finite group G. Storage is private in the sense that an adversary does not have read access to ...
Fuzzy Extractors: How to Generate Strong Keys from Biometrics and Other Noisy Data
Strong Keys Biometrics Noisy Data
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2009/4/10
We provide formal definitions and efficient secure techniques for
• turning noisy information into keys usable for any cryptographic application, and, in particular,
• reliably and secur...
Reusable Cryptographic Fuzzy Extractors
Reusable Cryptographic Fuzzy Extractors fuzzy extractors perturbation attack
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2009/4/3
We show that a number of recent definitions and constructions of fuzzy extractors are not
adequate for multiple uses of the same fuzzy secret—a major shortcoming in the case of biometric
application...