A Scalable Shannon Entropy Estimator
A Scalable Shannon Entropy Estimator
复制标题
可扩展的香农熵估计器
DOI:
10.1007/978-3-031-13185-1_18
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Meel, K.S.
中科院分区:
文献类型:
--
作者:
Golia, P.;Juba, B.;Meel, K.S.
Quantified information flow (QIF) has emerged as a rigorous approach to quantitatively measure confidentiality; the information-theoretic underpinning of QIF allows the end-users to link the computed quantities with the computational effort required on the part of the adversary to gain access to desired confidential information. In this work, we focus on the estimation of Shannon entropy for a given program. As a first step, we focus on the case wherein a Boolean formulacaptures the relationship between inputsXand outputYof. Such formulashave the property that for every valuation toX, there exists exactly one valuation toYsuch thatis satisfied. The existing techniques requiremodel counting queries, where.We propose the first efficient algorithmic technique, calledto estimate the Shannon entropy ofwith PAC-style guarantees, i.e., the computed estimate is guaranteed to lie within a-factor of the ground truth with confidence at least. Furthermore,makes onlycounting and sampling queries, where, and, thereby achieving a significant reduction in the number of model counting queries. We demonstrate the practical efficiency of our algorithmic framework via a detailed experimental evaluation. Our evaluation demonstrates that the proposed framework scales to the formulas beyond the reach of the previously known approaches.
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DOI:
10.1137/130945508
发表时间:
2012
期刊:
SIAM J. Comput.
影响因子:
--
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DOI:
10.1109/ase.2019.00050
发表时间:
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期刊:
2019 34th IEEE/ACM International Conference on Automated Software Engineering (ASE
影响因子:
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发表时间:
2018
期刊:
IEEE Symposium on Security and Privacy
影响因子:
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影响因子:
1.2
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DOI:
10.1109/csf.2011.21
发表时间:
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期刊:
2011 IEEE 24th Computer Security Foundations Symposium
影响因子:
--
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通讯作者:
T. Henzinger