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### Channels of Small Log-Ratio Leakage and Characterization of Two-Party Differentially Private Computation [article]

Iftach Haitner, Noam Mazor, Ronen Shaltiel, Jad Silbak
<span title="2021-05-09">2021</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
We then use the above result to fully characterize the complexity of differentially private two-party computation for the XOR function, answering the open question put by Goyal, Khurana, Mironov, Pandey  ...  Consider a PPT two-party protocol π=(A,B) in which the parties get no private inputs and obtain outputs O^A,O^B∈{0,1}, and let V^A and V^B denote the parties' individual views.  ...  Acknowledgement We are very grateful to Kobbi Nissim, Eran Omri and Ido Abulafya for helpful conversations and advice. We thank the anonymous referees for detailed and very helpful comments.  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2105.00770v3">arXiv:2105.00770v3</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/tfbjuqb7kjbahhhbiqp6aexcrq">fatcat:tfbjuqb7kjbahhhbiqp6aexcrq</a> </span>
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### Information-Theoretic Bounds for Differentially Private Mechanisms

Gilles Barthe, Boris Kopf
<span title="">2011</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kea5jpvemrdmvbwvgh5jn6gog4" style="color: black;">2011 IEEE 24th Computer Security Foundations Symposium</a> </i> &nbsp;
There are two active and independent lines of research that aim at quantifying the amount of information that is disclosed by computing on confidential data.  ...  We achieve this by identifying and leveraging a connection to coding theory. Second, we construct a class of -differentially private channels whose leakage grows with the size of their input domains.  ...  Acknowledgments The authors would like to thank Miguel Andrés, Catuscia Palamidessi, and the anonymous reviewers for their helpful feedback. This research was supported by FP7-ICT Project NESSoS  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/csf.2011.20">doi:10.1109/csf.2011.20</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/csfw/BartheK11.html">dblp:conf/csfw/BartheK11</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/fvgyg6bvvffrhbauh23bflgmsy">fatcat:fvgyg6bvvffrhbauh23bflgmsy</a> </span>
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### Measuring Information Leakage in Non-stochastic Brute-Force Guessing [article]

<span title="2021-07-02">2021</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
For X that is related to released data Y, the non-stochastic brute-force leakage is measured by the complexity of exhaustively checking all the possibilities of the private attribute U of X by an adversary  ...  Maximizing this leakage over all possible private attributes U gives rise to the maximal (i.e., worst-case) non-stochastic brute-force guessing leakage.  ...  These threats are exacerbated by seemingly unlimited computational resources and capabilities of adversaries, multi-party side information attacks, unpredictable uses of large collections of data, and  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2107.01113v1">arXiv:2107.01113v1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/rotffzvhfvbalj4yluxtl65nk4">fatcat:rotffzvhfvbalj4yluxtl65nk4</a> </span>
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### Privacy-utility tradeoff under statistical uncertainty

<span title="">2013</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/76cqjdra2zg5rgo2v5aqxsklkq" style="color: black;">2013 51st Annual Allerton Conference on Communication, Control, and Computing (Allerton)</a> </i> &nbsp;
The optimal privacy mapping is the solution of a convex optimization problem, which minimizes the information leakage-modeled under the log-loss by the mutual information between private data and released  ...  We consider the setting in [1] , where a user has two kinds of data that are correlated: some data that he would like to remain private, and some non-private data that he is willing to release to an analyst  ...  This scheme results in a distortion D ≥ 1 2 2 log(2/δ) and the leakage of information L ≤ 1 2 log 1 + σ 2 X 1 2 2 log(2/δ) .  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/allerton.2013.6736724">doi:10.1109/allerton.2013.6736724</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/allerton/MakhdoumiF13.html">dblp:conf/allerton/MakhdoumiF13</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/byonyn42mjejrcutx67izd2kji">fatcat:byonyn42mjejrcutx67izd2kji</a> </span>
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### Technical Program

<span title="2021-04-11">2021</span> <i title="IEEE"> 2020 IEEE Information Theory Workshop (ITW) </i> &nbsp;
We prove that if the class contains a matched pair, then our bound is tight and the mismatch capacity of the entire class is fully characterized and is equal to the LM rate, which is the highest rate achievable  ...  and on the discrete modulo-additive noise channel.  ...  a measure of private information leakage.  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/itw46852.2021.9457668">doi:10.1109/itw46852.2021.9457668</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/j425ygeajrbd5esztbe5zgygty">fatcat:j425ygeajrbd5esztbe5zgygty</a> </span>
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### Location Privacy in Cognitive Radio Networks: A Survey

Mohamed Grissa, Bechir Hamdaoui, Attila A. Yavuza
<span title="">2017</span> <i title="Institute of Electrical and Electronics Engineers (IEEE)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/b4kxurpz5vbn7gog6wq32vliii" style="color: black;">IEEE Communications Surveys and Tutorials</a> </i> &nbsp;
Cognitive radio networks (CRNs) have emerged as an essential technology to enable dynamic and opportunistic spectrum access which aims to exploit underutilized licensed channels to solve the spectrum scarcity  ...  The location information leakage issue in the CRN context has recently started to gain attention from the research community due to its importance, and several research efforts have been made to tackle  ...  The authors would like to thank the editor and the reviewers for their valuable feedback that has improved this survey paper greatly.  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/comst.2017.2693965">doi:10.1109/comst.2017.2693965</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/4jkyw7tyxrcdzbbm5uocxawsie">fatcat:4jkyw7tyxrcdzbbm5uocxawsie</a> </span>
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### A Practical Approach to Navigating the Tradeoff Between Privacy and Precise Utility [article]

Chandra Sharma, George Amariucai
<span title="2020-03-10">2020</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
between privacy and utility attracted a lot of recent interest and generated a rich body of research.  ...  By contrast, we are interested in modelling utility differently, by associating it with specific attributes of a user, just like privacy is associated with specific private attributes in the literature  ...  Algorithmic Complexity There are two relatively computationally intensive parts of the algorithm: 1) Computing the Mutual information 2) Determining the variable with the highest gain factor Computing  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2003.04916v1">arXiv:2003.04916v1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/2bl37k456vb3nnu4mizhbow7sm">fatcat:2bl37k456vb3nnu4mizhbow7sm</a> </span>
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### Hardware-Based Public-Key Cryptography with Public Physically Unclonable Functions [chapter]

Nathan Beckmann, Miodrag Potkonjak
<span title="">2009</span> <i title="Springer Berlin Heidelberg"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2w3awgokqne6te4nvlofavy5a4" style="color: black;">Lecture Notes in Computer Science</a> </i> &nbsp;
Judicious use of PPUF hardware sharing, parallelism, and provably correct partial simulation enables 10 16 advantage of communicating parties over an attacker, requiring over 500 of years of computation  ...  Using PPUFs, we have developed conceptually new secret key exchange and public key protocols that are resilient against physical and side channel attacks and do not employ unproven mathematical conjectures  ...  It is relatively easy to envision how PPUF with the ratio of simulation vs. execution times of κ, gives the computational advantage of κ to each of the communicating parties (see below).  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-3-642-04431-1_15">doi:10.1007/978-3-642-04431-1_15</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/6rl7cxltefbdldpcjmu4gdp46m">fatcat:6rl7cxltefbdldpcjmu4gdp46m</a> </span>
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### Mitigating Leakage from Data Dependent Communications in Decentralized Computing using Differential Privacy [article]

<span title="2021-12-23">2021</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
In the context of secure computing nodes exchanging messages over secure channels at runtime, a key security issue is to protect against external attackers observing the traffic, whose dependence on data  ...  In this paper, we define a general execution model to control the data-dependence of communications in user-side decentralized computations, in which differential privacy guarantees for communication patterns  ...  ACKNOWLEDGMENTS This work was supported by the French National Research Agency (ANR) through grants ANR-16-CE23-0016 (Project PAMELA) and ANR-20-CE23-0015 (Project PRIDE).  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2112.12411v1">arXiv:2112.12411v1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/zsrhodjemjaavbwxc3syzmbg4i">fatcat:zsrhodjemjaavbwxc3syzmbg4i</a> </span>
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### OCTOPUS: Overcoming Performance andPrivatization Bottlenecks in Distributed Learning [article]

Shuo Wang, Surya Nepal, Kristen Moore, Marthie Grobler, Carsten Rudolph, Alsharif Abuadbba
<span title="2022-03-03">2022</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
Besides, a disentanglement strategy is applied to address the privatization of sensitive components of local data. Extensive experiments are conducted on image and speech datasets.  ...  However, it is also faced with expensive communication and limitations due to the heterogeneity of distributed data sources and lack of access to global data.  ...  (ii) We evaluated the privacy leakage of both private and public components in terms of the conditional entropy in bits against a strong computational adversary.  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2105.00602v2">arXiv:2105.00602v2</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/2avblpysobdl3hmgriss7umypq">fatcat:2avblpysobdl3hmgriss7umypq</a> </span>
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### Differentially Private Oblivious RAM

Sameer Wagh, Paul Cuff, Prateek Mittal
<span title="2018-10-01">2018</span> <i title="Walter de Gruyter GmbH"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/feed3pdnijhbnm6huwkkxavghy" style="color: black;">Proceedings on Privacy Enhancing Technologies</a> </i> &nbsp;
We propose a formal and rigorous framework for developing ORAM protocols with statistical security viz., a differentially private ORAM (DP-ORAM).  ...  Finally, Root ORAM is ideally suited for applications which have a similar access pattern, and we showcase its utility via the application of Private Information Retrieval.  ...  (CNS-1409415, CIF-1617286, CNS-1553437), and Faculty research awards from Google, Intel, and Cisco.  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1515/popets-2018-0032">doi:10.1515/popets-2018-0032</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/journals/popets/WaghCM18.html">dblp:journals/popets/WaghCM18</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/kfxpydzdunbqhfqonokurfej3m">fatcat:kfxpydzdunbqhfqonokurfej3m</a> </span>
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### (∈, δ)-Indistinguishable Mixing for Cryptocurrencies

Mingyu Liang, Ioanna Karantaidou, Foteini Baldimtsi, S. Dov Gordon, Mayank Varia
<span title="2021-11-20">2021</span> <i title="Walter de Gruyter GmbH"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/feed3pdnijhbnm6huwkkxavghy" style="color: black;">Proceedings on Privacy Enhancing Technologies</a> </i> &nbsp;
This is defined formally by borrowing from the definition of differential privacy.  ...  This relaxed privacy definition allows us to greatly reduce the amount of interaction and computation in the mixing protocol.  ...  Acknowledgments The authors thank the anonymous reviewers for their insightful comments and valuable feedback on this work. This material is supported by a ZCash Foundation Grant [65]  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.2478/popets-2022-0004">doi:10.2478/popets-2022-0004</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ohhw77jwzbdrfkkjvqnbfdrope">fatcat:ohhw77jwzbdrfkkjvqnbfdrope</a> </span>
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### Subset Privacy: Draw from an Obfuscated Urn [article]

Ganghua Wang, Jie Ding
<span title="2021-07-02">2021</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
We develop methods for the estimation of distribution functions and independence testing from subset-private data with theoretical guarantees.  ...  Experimental results on both simulated and real-world datasets demonstrate the encouraging performance of the developed concepts and methods.  ...  Next, we briefly introduce two algorithms to compute the MLE.  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2107.02013v1">arXiv:2107.02013v1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/cwqcykk2rzbuho32vnvm7o3e3y">fatcat:cwqcykk2rzbuho32vnvm7o3e3y</a> </span>
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### Differentially Private Oblivious RAM [article]

Sameer Wagh, Paul Cuff, Prateek Mittal
<span title="2018-07-15">2018</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
We propose a formal and rigorous framework for developing ORAM protocols with statistical security viz., a differentially private ORAM (DP-ORAM).  ...  Finally, Root ORAM is ideally suited for applications which have a similar access pattern, and we showcase its utility via the application of Private Information Retrieval.  ...  In a differentially private ORAM, we characterize the effect of a small change in the ORAM input to the change in the probability distribution at the output.  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/1601.03378v5">arXiv:1601.03378v5</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/yu3fgjs5gbbx3dau4mfbftlrai">fatcat:yu3fgjs5gbbx3dau4mfbftlrai</a> </span>
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### Utility Fairness for the Differentially Private Federated Learning [article]

Sheeraz A. Alvi, Yi Hong, Salman Durrani
<span title="2021-09-11">2021</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
In the vanilla FL setting, the master is unaware of devices' local model computation and transmission costs, thus it is unable to address the utility unfairness problem.  ...  Furthermore, we devise adaptive computation and transmission policies for each device to control its expenditure in order to mitigate utility unfairness.  ...  the k-th MTD, and Γ characterizes the gap between the achievable rate and the channel capacity due to the use of practical modulation and coding schemes [33] , [36] .  ...
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2109.05267v1">arXiv:2109.05267v1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/e7dqgrk6kbfejcil2tkp3qj23i">fatcat:e7dqgrk6kbfejcil2tkp3qj23i</a> </span>
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