Quantitative Information Flow Tracking For Real Systems
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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.
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.
Formal Aspects In Security And Trust
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Author : Pierpaolo Degano
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-04-20
Formal Aspects In Security And Trust written by Pierpaolo Degano 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 2010-04-20 with Business & Economics categories.
This book constitutes the thoroughly refereed post-workshop proceedings of the 6th International Workshop on Formal Aspects in Security and Trust, FAST 2009, held under the auspices of IFIP WG 1.7 in Eindhoven, The Netherlands, in November 2009 as an event of the Formal Methods Week, FMweek 2009. The 18 revised papers presented together with an abstract of the invited lecture were carefully reviewed and selected from 50 submissions. The papers focus of formal aspects in security and trust policy models, security protocol design and analysis, formal models of trust and reputation, logics for security and trust, distributed trust management systems, trust-based reasoning, digital assets protection, data protection, privacy and id issues, information flow analysis, language-based security, security and trust aspects in ubiquitous computing, validation/analysis tools, Web service security/trust/privacy, grid security, security risk assessment, and case studies.
On Efficiency And Accuracy Of Data Flow Tracking Systems
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Author :
language : en
Publisher:
Release Date : 2015
On Efficiency And Accuracy Of Data Flow Tracking Systems written by 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.
The TaintMark approach is inspired by blackbox differential testing principles to test for inaccuracies in DFTs, but it also addresses numerous practical challenges that arise when applying those principles to real, complex applications. We introduce the TaintMark methodology by using it to understand taint tracking accuracy trade-offs in TaintDroid, a well-known DFT system for Android. While the aforementioned works focus on the efficiency and accuracy issues of DFT systems that dynamically track data flow, we also explore another design choice that statically tracks information flow by analyzing and instrumenting the application source code. We apply this approach to the different problem of integer error detection in order to reduce the number of false alarmings.
An Introduction To Transfer Entropy
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Author : Terry Bossomaier
language : en
Publisher: Springer
Release Date : 2016-11-15
An Introduction To Transfer Entropy written by Terry Bossomaier and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-15 with Computers categories.
This book considers a relatively new metric in complex systems, transfer entropy, derived from a series of measurements, usually a time series. After a qualitative introduction and a chapter that explains the key ideas from statistics required to understand the text, the authors then present information theory and transfer entropy in depth. A key feature of the approach is the authors' work to show the relationship between information flow and complexity. The later chapters demonstrate information transfer in canonical systems, and applications, for example in neuroscience and in finance. The book will be of value to advanced undergraduate and graduate students and researchers in the areas of computer science, neuroscience, physics, and engineering.
Computer Information Systems And Industrial Management
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Author : Khalid Saeed
language : en
Publisher: Springer
Release Date : 2015-09-17
Computer Information Systems And Industrial Management written by Khalid Saeed and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-17 with Computers categories.
This book constitutes the proceedings of the 14th IFIP TC 8 International Conference on Computer Information Systems and Industrial Management, CISIM 2015, held in Warsaw, Poland, in September 2015. The 47 papers presented in this volume were carefully reviewed and selected from about 80 submissions. The main topics covered are biometrics, security systems, multimedia, classification and clustering with applications, and industrial management.
Quantitative Information Flow Maximum Leakage And It S Applications To Anonymity Protocols
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Author : Han Chen
language : en
Publisher:
Release Date : 2008
Quantitative Information Flow Maximum Leakage And It S Applications To Anonymity Protocols written by Han Chen 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.
Engineering Secure Software And Systems
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Author : Juan Caballero
language : en
Publisher: Springer
Release Date : 2016-03-28
Engineering Secure Software And Systems written by Juan Caballero and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-03-28 with Computers categories.
This book constitutes the refereed proceedings of the 8th International Symposium on Engineering Secure Software and Systems, ESSoS 2016, held in London, UK, in April 2016. The 13 full papers presented together with 3 short papers and 1 invited talk were carefully reviewed and selected from 50 submissions. The goal of this symposium, is to bring together researchers and practitioners to advance the states of the art and practice in secure software engineering. The presentations and associated publications at ESSoS 2016 contribute to this goal in several directions: First, by improving methodologies for secure software engineering (such as flow analysis and policycompliance). Second, with results for the detection and analysis of software vulnerabilities and the attacks they enable. Finally, for securing software for specific application domains (such as mobile devices and access control).
Programming Languages And Systems
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Author : Ilya Sergey
language : en
Publisher: Springer Nature
Release Date : 2022-03-28
Programming Languages And Systems written by Ilya Sergey and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-28 with Computers categories.
This open access book constitutes the proceedings of the 31st European Symposium on Programming, ESOP 2022, which was held during April 5-7, 2022, in Munich, Germany, as part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2022. The 21 regular papers presented in this volume were carefully reviewed and selected from 64 submissions. They deal with fundamental issues in the specification, design, analysis, and implementation of programming languages and systems.
Information Theoretic Security
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Author : Kaoru Kurosawa
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-09-03
Information Theoretic Security written by Kaoru Kurosawa 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 2010-09-03 with Business & Economics categories.
This book constitutes the thoroughly refereed post-conference proceedings of the 4th International Conference on Information Theoretic Security, held in Shizuoka, Japan, in December 2009. The 13 revised full papers presented together with 6 invited lectures were carefully reviewed and selected from 50 submissions. The papers are organized in topical sections on leakage resilient cryptography, quantum cryptography and indistinguishability, connection to computational security, secret sharing, key agreement from common randomness, random graph and group testing, reliable data transmission and computation, as well as fingerprint and watermarking.