The Science Of Quantitative Information Flow
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The Science Of Quantitative Information Flow
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Author : Mário S. Alvim
language : en
Publisher: Springer Nature
Release Date : 2020-09-23
The Science Of Quantitative Information Flow written by Mário S. Alvim and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-23 with Computers categories.
This book presents a comprehensive mathematical theory that explains precisely what information flow is, how it can be assessed quantitatively – so bringing precise meaning to the intuition that certain information leaks are small enough to be tolerated – and how systems can be constructed that achieve rigorous, quantitative information-flow guarantees in those terms. It addresses the fundamental challenge that functional and practical requirements frequently conflict with the goal of preserving confidentiality, making perfect security unattainable. Topics include: a systematic presentation of how unwanted information flow, i.e., "leaks", can be quantified in operationally significant ways and then bounded, both with respect to estimated benefit for an attacking adversary and by comparisons between alternative implementations; a detailed study of capacity, refinement, and Dalenius leakage, supporting robust leakage assessments; a unification of information-theoretic channels and information-leaking sequential programs within the same framework; and a collection of case studies, showing how the theory can be applied to interesting realistic scenarios. The text is unified, self-contained and comprehensive, accessible to students and researchers with some knowledge of discrete probability and undergraduate mathematics, and contains exercises to facilitate its use as a course textbook.
Quantitative Information Flow Tracking For Real Systems
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Author : Stephen McCamant
language : en
Publisher:
Release Date : 2008
Quantitative Information Flow Tracking For Real Systems written by Stephen McCamant and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
An information-flow security policy constrains a computer system's end-to-end use of information, even as it is transformed in computation. For instance, a policy would not just restrict what secret data could be revealed directly, but restrict any output that might allow inferences about the secret. Expressing such a policy quantitatively, in terms of a specific number of bits of information, is often an effective program independent way of distinguishing what scenarios should be allowed and disallowed. This thesis describes a family of new techniques for measuring how much information about a program's secret inputs is revealed by its public outputs on a particular execution, in order to check a quantitative policy on realistic systems. Our approach builds on dynamic tainting, tracking at runtime which bits might contain secret in formation, and also uses static control-flow regions to soundly account for implicit flows via branches and pointer operations. We introduce a new graph model that bounds information flow by the maximum flow between inputs and outputs in a flow network representation of an execution. The flow bounds obtained with maximum flow are much more precise than those based on tainting alone (which is equivalent to graph reachability). The bounds are a conservative estimate of channel capacity: the amount of information that could be transmitted by an adversary making an arbitrary choice of secret inputs. We describe an implementation named Flowcheck, built using the Valgrind framework for x86/Linux binaries, and use it to perform case studies on six real C, C++, and Objective C programs, three of which have more than 250,000 lines of code. We used the tool to check the confidentiality of a different kind of information appropriate to each program. Its results either verified that the information was appropriately kept secret on the examined executions, or revealed unacceptable leaks, in one case due to a previously unknown bug.
From Qualitative To Quantitative Program Analysis
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Author : Mounir Assaf
language : en
Publisher:
Release Date : 2015
From Qualitative To Quantitative Program Analysis written by Mounir Assaf and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Computers have become widespread nowadays. All these computers store and process information. Often, some of this information is sensitive; hence the need to confine and control its dissemination. An important field in computer science, that is concerned about analysing programs in order to confine and control the release of sensitive information, is the information flow control field. The contributions of this thesis include program analysis techniques for qualitative and quantitative information flow control. Qualitative techniques aim at detecting and preventing information leaks. Quantitative techniques go beyong the detection of information leaks, by estimating the leakage in order to decide whether it is negligeable.
The Art Of Modelling Computational Systems A Journey From Logic And Concurrency To Security And Privacy
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Author : Mário S. Alvim
language : en
Publisher: Springer Nature
Release Date : 2019-11-04
The Art Of Modelling Computational Systems A Journey From Logic And Concurrency To Security And Privacy written by Mário S. Alvim and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-04 with Computers categories.
This Festschrift was published in honor of Catuscia Palamidessi on the occasion of her 60th birthday. It features 6 laudations, which are available in the front matter of the volume, and 25 papers by close collaborators and friends. The papers are organized in topical sections named: concurrency; logic and constraint programming; security and privacy; and models and puzzles. These contributions are a tribute to Catuscia Palamidessi’s intellectual depth, vision, passion for science, and tenacity in solving technical problems. They also reflect the breadth and impact of her work. Her scientific interests include, in chronological order, principles of programming languages, concurrency theory, security, and privacy.
Quantitative Evaluation Of Systems
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Author : Erika Ábrahám
language : en
Publisher: Springer Nature
Release Date : 2022-09-10
Quantitative Evaluation Of Systems written by Erika Ábrahám and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-10 with Computers categories.
This book constitutes the proceedings of the 19th International Conference on Quantitative Evaluation Systems, QEST 2022, held in Warsaw, Poland, in September 2022. The 19 full papers presented together with 1 keynote paper were carefully reviewed and selected from 44 submissions. The papers are organized in the following topics: program analysis; parameter synthesis; markovian agents and population models; dynamical systems; tools; applications and automata theory; and applications.
Automating Quantitative Information Flow
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Author : Jonathan Heusser
language : en
Publisher:
Release Date : 2011
Automating Quantitative Information Flow written by Jonathan Heusser and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Online social networks categories.
Foundations Of Software Science And Computational Structures
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Author : Luca De Alfaro
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-03-09
Foundations Of Software Science And Computational Structures written by Luca De Alfaro and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-09 with Computers categories.
This book constitutes the refereed proceedings of the 12th International Conference on Foundations of Software Science and Computational Structures, FOSSACS 2009, held in York, UK, in March 2009, as part of ETAPS 2009, the European Joint Conferences on Theory and Practice of Software. The 30 revised full papers presented together with two invited talks were carefully reviewed and selected from 102 full paper submissions. The topics addressed are semantics, logics and automata, algebras, automata theory, processes and models, security, probabilistic and quantitative models, synthesis, and program analysis and semantics.
Transactions On Computational Science Iv
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Author :
language : en
Publisher: Springer
Release Date : 2009-03-27
Transactions On Computational Science Iv written by and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-27 with Computers categories.
This issue focuses on the theme of security in computing. It offers in-depth coverage of a number of hot topics, presenting new architectures, novel hardware implementations, cryptographic algorithms and security protocols, and new tools and applications.
Computer Science Theory And Applications
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Author : Volker Diekert
language : en
Publisher: Springer
Release Date : 2007-08-22
Computer Science Theory And Applications written by Volker Diekert and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-22 with Computers categories.
This book features the refereed proceedings of the 2nd International Symposium on Computer Science in Russia held in September 2007. The 35 papers cover theory track deals with algorithms, protocols, and data structures; complexity and cryptography; formal languages, automata and their applications to computer science; computational models and concepts; proof theory; and applications of logic to computer science. Many applications are presented.
Relational And Algebraic Methods In Computer Science
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Author : Peter Höfner
language : en
Publisher: Springer
Release Date : 2017-05-08
Relational And Algebraic Methods In Computer Science written by Peter Höfner and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-08 with Mathematics categories.
This book constitutes the proceedings of the 16th International Conference on Relational and Algebraic Methods in Computer Science, RAMiCS 2017, held in Lyon, France, in May 2017. The 17 revised full papers and 2 invited papers presented together with 1 invited abstract were carefully selected from 28 submissions. Topics covered range from mathematical foundations to applications as conceptual and methodological tools in computer science and beyond.