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Aarhus University
(31 results)-
White Papers
Type Analysis for JavaScript
May 20, 2009, 12:00am PDT
JavaScript is the main scripting language for Web browsers, and it is essential to modern Web applications. Programmers have started using it for writing complex applications, but there is still...
Provided by Aarhus University
-
White Papers
Secure Datastructures Based on Multiparty Computation
February 16, 2011, 12:00am PST
The problem of secure multiparty computation - performing some computation based on distributed, private inputs - has been studied intensively for more than twenty years. This paper includes both...
Provided by Aarhus University
-
White Papers
Fully Simulatable Quantum-Secure Coin-Flipping and Applications
February 9, 2011, 12:00am PST
The authors propose a coin-flip protocol which yields a string of strong, random coins and is fully simulatable against poly-sized quantum adversaries on both sides. It can be implemented with...
Provided by Aarhus University
-
White Papers
Receiver-Deniable Public-Key Encryption Is Impossible
January 25, 2011, 12:00am PST
A receiver-deniable public-key cryptosystem is a public-key cryptosystem where the receiver can change her secret key as to make it look like a given ciphertext decrypts to some message different...
Provided by Aarhus University
-
White Papers
A Note on Zero-Knowledge Proofs of Knowledge and the ZKPOK Ideal Functionality
October 28, 2010, 12:00am PDT
In this note, the authors provide a formal proof of the fact that any protocol that is a zero-knowledge proof of knowledge for a relation R is also a secure protocol for the zero-knowledge proof...
Provided by Aarhus University
-
White Papers
Secure Multiparty AES (full Paper)
December 11, 2009, 12:00am PST
In secure Multi Party Computation (MPC), a number of players each supply a private input and then compute an agreed function on these inputs securely, i.e., even if an adversary corrupts some of...
Provided by Aarhus University
-
White Papers
Enacting Representations Of Markets In Exchange Practices In The Danish Potato Industry
August 28, 2010, 12:00am PDT
The paper explores the potential of John Shotter's (2008) relationally-responsive version of social constructionism for studying and analysing representations of markets and how these are enacted...
Provided by Aarhus University
-
White Papers
Start Making Sense Again - Business Relationship Restoration After Severe Norm Violation Episodes
August 29, 2010, 12:00am PDT
Relational norms provide behavioural guidelines for individual actors interacting in business relationships. Frequently, norms are violated and the involved actors initiate a normalisation process...
Provided by Aarhus University
-
White Papers
The Internal Competitor: Buyer Motives And External Supplier Marketing Strategies
August 27, 2010, 12:00am PDT
The purpose of this paper is to identify buyer motives for supporting internal competitors and to suggest relevant marketing strategy elements for external suppliers confronting these internal...
Provided by Aarhus University
-
White Papers
On the Communication Complexity of Reliable and Secure Message Transmission in Asynchronous Networks
June 1, 2011, 12:00am PDT
In this paper, the authors study the communication complexity of Reliable Message Transmission (RMT) and Secure Message Transmission (SMT) protocols in asynchronous settings. They consider two...
Provided by Aarhus University
-
White Papers
Leakage Resilient Secure Two-Party Computation
May 24, 2011, 12:00am PDT
In the traditional secure function evaluation setting, some set of distrusting parties jointly compute a function of their respective inputs securely which means that the real-life computation...
Provided by Aarhus University
-
Whitepapers
Bio-Inspired Low-Complexity Clustering in Large-Scale Dense Wireless Sensor Networks
July 26, 2012, 12:00am PDT
To enhance network scalability and increase network lifetime in large-scale Wireless Sensor Networks (WSNs), clustering has been recognized as an effective solution for hierarchical routing,...
Provided by Aarhus University
-
Whitepapers
The Impact of Packet Loss Behavior in 802.11g on the Cooperation Gain in Reliable Multicast
May 28, 2012, 12:00am PDT
In group-oriented applications for wireless networks, reliable multicast strategies are important in order to efficiently distribute data, e.g. in Wireless Mesh Networks (WMNs) and Mobile Ad-hoc...
Provided by Aarhus University
-
Whitepapers
Reactive Virtual Coordinate Routing Protocol for Body Sensor Networks
June 20, 2012, 12:00am PDT
To support reliable real-time applications in Body Sensor Networks (BSNs), it is necessary to develop an efficient and robust routing protocol. However, it is challenging due to the specific radio...
Provided by Aarhus University
-
Whitepapers
MBMS With User Cooperation and Network Coding
July 23, 2011, 12:00am PDT
In this paper user cooperation with network coding is applied to MBMS (Multimedia Broadcast/Multicast Service) where Raptor codes are currently used. User cooperation together with network coding...
Provided by Aarhus University
-
Whitepapers
Is Public-Key Encryption Based on LPN Practical?
December 20, 2012, 12:00am PST
LPN samples are computationally very simple to generate, but the problem nevertheless seems to be very hard. The two main types of non-trivial attack on LPN are exhaustive search over possible...
Provided by Aarhus University
-
Whitepapers
Practical Covertly Secure MPC for Dishonest Majority - or: Breaking the SPDZ Limits
November 11, 2012, 12:00am PST
SPDZ (pronounced "Speedz") is the nickname of the MPC protocol of Damgard et al. from Crypto 2012. SPDZ provided various efficiency innovations on both the theoretical and practical sides compared...
Provided by Aarhus University
-
Whitepapers
Secret Sharing and Secure Computing from Monotone Formulae
September 11, 2012, 12:00am PDT
The authors present a construction of log-depth formulae for various threshold functions based on atomic threshold gates of constant size. From this, they build a new family of linear secret...
Provided by Aarhus University
-
Whitepapers
Constant-Overhead Secure Computation of Boolean Circuits using Preprocessing
December 22, 2012, 12:00am PST
The authors present a protocol for securely computing a Boolean circuit C in presence of a dishonest and malicious majority. The protocol is unconditionally secure, assuming a preprocessing...
Provided by Aarhus University
-
Whitepapers
Zero-Knowledge Proofs with Low Amortized Communication from Lattice Assumptions
June 26, 2012, 12:00am PDT
The authors construct zero-knowledge Proofs of Plaintext Knowledge (PoPK) and correct multiplication (PoPC) for the Regev encryption scheme with low amortized communication complexity. Previous...
Provided by Aarhus University
-
White Papers
The Non-Monotonic Effect Of Financing Constraints On Investment
August 11, 2009, 12:00am PDT
The authors analyze investment timing in a discrete-time framework with two possible investment dates, which is an extension of the model by Lyandres (2007). They derive an investment threshold...
Provided by Aarhus University
-
White Papers
JWIG: Yet Another Framework for Maintainable and Secure Web Applications
March 13, 2009, 12:00am PDT
Although numerous frameworks for web application programming have been developed in recent years, writing web applications remains a challenging task. Guided by a collection of classical design...
Provided by Aarhus University
-
White Papers
Load Balancing Metric With Diversity for Energy Efficient Routing in Wireless Sensor Networks
June 30, 2011, 12:00am PDT
The Expected number of Transmission (ETX) represents a routing metric that considers the highly variable link qualities for a specific radio in Wireless Sensor Networks (WSNs). To adapt to these...
Provided by Aarhus University
-
White Papers
Simulation of Channel Characteristics for Complex Networks
October 2, 2009, 12:00am PDT
In this paper a novel approach to simulate a complex network is presented. In powerline communication the communication channel often comprises of complex networks of conductors, which primary...
Provided by Aarhus University
-
White Papers
On Secure Two-Party Integer Division
March 29, 2012, 12:00am PDT
Secure Multi-Party Computation (MPC) allows two or more mutually mistrusting parties to evaluate a function on private data without revealing additional information. Many potential applications...
Provided by Aarhus University
-
White Papers
Signature Schemes Secure Against Hard-to-Invert Leakage
January 30, 2012, 12:00am PST
In the auxiliary input model an adversary is allowed to see a computationally hard-to-invert function of the secret key. The auxiliary input model weakens the bounded leakage assumption commonly...
Provided by Aarhus University
-
White Papers
J Is for JavaScript: A Direct-Style Correspondence Between Algol-Like Languages and JavaScript Using Rst-Class Continuations
March 24, 2009, 12:00am PDT
It is a time-honored fashion to implement a Domain-Specific Language (DSL) by translation to a general-purpose language. Such an implementation is more portable, but an unidiomatic translation...
Provided by Aarhus University
-
Whitepapers
Testing Selective Transmission With Low Power Listening
September 25, 2010, 12:00am PDT
Selective transmission policies allow nodes in a sensor network to autonomously decide between transmitting or discarding packets depending on the importance of the information content and the...
Provided by Aarhus University
-
Whitepapers
BTP: A Block Transfer Protocol for Delay Tolerant Wireless Sensor Networks
July 28, 2010, 12:00am PDT
Wireless sensor networks that are energy-constrained must transmit and receive data as efficiently as possible. If the transmission is delay tolerant, transferring blocks of accumulated data can...
Provided by Aarhus University
-
Whitepapers
Energy Bucket: A Tool for Power Profiling and Debugging of Sensor Nodes
March 25, 2009, 12:00am PDT
The ability to precisely measure and compare energy consumption and relate this to particular parts of programs is a recurring theme in sensor network research. This paper presents the Energy...
Provided by Aarhus University
-
Whitepapers
TinyDebug: Multi-Purpose Passive Debugging Framework for Embedded Wireless Systems
October 1, 2011, 12:00am PDT
Debugging embedded wireless systems can be cumbersome due to low visibility. To ease the task of debugging this paper present TinyDebug which is a multi-purpose passive debugging framework for...
Provided by Aarhus University
-
Whitepapers
Zero-Knowledge Proofs with Low Amortized Communication from Lattice Assumptions
June 26, 2012, 12:00am PDT
The authors construct zero-knowledge Proofs of Plaintext Knowledge (PoPK) and correct multiplication (PoPC) for the Regev encryption scheme with low amortized communication complexity. Previous...
Provided by Aarhus University
-
Whitepapers
Constant-Overhead Secure Computation of Boolean Circuits using Preprocessing
December 22, 2012, 12:00am PST
The authors present a protocol for securely computing a Boolean circuit C in presence of a dishonest and malicious majority. The protocol is unconditionally secure, assuming a preprocessing...
Provided by Aarhus University
-
Whitepapers
Secret Sharing and Secure Computing from Monotone Formulae
September 11, 2012, 12:00am PDT
The authors present a construction of log-depth formulae for various threshold functions based on atomic threshold gates of constant size. From this, they build a new family of linear secret...
Provided by Aarhus University
-
Whitepapers
Practical Covertly Secure MPC for Dishonest Majority - or: Breaking the SPDZ Limits
November 11, 2012, 12:00am PST
SPDZ (pronounced "Speedz") is the nickname of the MPC protocol of Damgard et al. from Crypto 2012. SPDZ provided various efficiency innovations on both the theoretical and practical sides compared...
Provided by Aarhus University
-
Whitepapers
Is Public-Key Encryption Based on LPN Practical?
December 20, 2012, 12:00am PST
LPN samples are computationally very simple to generate, but the problem nevertheless seems to be very hard. The two main types of non-trivial attack on LPN are exhaustive search over possible...
Provided by Aarhus University
-
Whitepapers
MBMS With User Cooperation and Network Coding
July 23, 2011, 12:00am PDT
In this paper user cooperation with network coding is applied to MBMS (Multimedia Broadcast/Multicast Service) where Raptor codes are currently used. User cooperation together with network coding...
Provided by Aarhus University
-
Whitepapers
Reactive Virtual Coordinate Routing Protocol for Body Sensor Networks
June 20, 2012, 12:00am PDT
To support reliable real-time applications in Body Sensor Networks (BSNs), it is necessary to develop an efficient and robust routing protocol. However, it is challenging due to the specific radio...
Provided by Aarhus University
-
Whitepapers
The Impact of Packet Loss Behavior in 802.11g on the Cooperation Gain in Reliable Multicast
May 28, 2012, 12:00am PDT
In group-oriented applications for wireless networks, reliable multicast strategies are important in order to efficiently distribute data, e.g. in Wireless Mesh Networks (WMNs) and Mobile Ad-hoc...
Provided by Aarhus University
-
Whitepapers
Bio-Inspired Low-Complexity Clustering in Large-Scale Dense Wireless Sensor Networks
July 26, 2012, 12:00am PDT
To enhance network scalability and increase network lifetime in large-scale Wireless Sensor Networks (WSNs), clustering has been recognized as an effective solution for hierarchical routing,...
Provided by Aarhus University
-
Whitepapers
TinyDebug: Multi-Purpose Passive Debugging Framework for Embedded Wireless Systems
October 1, 2011, 12:00am PDT
Debugging embedded wireless systems can be cumbersome due to low visibility. To ease the task of debugging this paper present TinyDebug which is a multi-purpose passive debugging framework for...
Provided by Aarhus University
-
Whitepapers
Energy Bucket: A Tool for Power Profiling and Debugging of Sensor Nodes
March 25, 2009, 12:00am PDT
The ability to precisely measure and compare energy consumption and relate this to particular parts of programs is a recurring theme in sensor network research. This paper presents the Energy...
Provided by Aarhus University
-
Whitepapers
BTP: A Block Transfer Protocol for Delay Tolerant Wireless Sensor Networks
July 28, 2010, 12:00am PDT
Wireless sensor networks that are energy-constrained must transmit and receive data as efficiently as possible. If the transmission is delay tolerant, transferring blocks of accumulated data can...
Provided by Aarhus University
-
Whitepapers
Testing Selective Transmission With Low Power Listening
September 25, 2010, 12:00am PDT
Selective transmission policies allow nodes in a sensor network to autonomously decide between transmitting or discarding packets depending on the importance of the information content and the...
Provided by Aarhus University
-
White Papers
J Is for JavaScript: A Direct-Style Correspondence Between Algol-Like Languages and JavaScript Using Rst-Class Continuations
March 24, 2009, 12:00am PDT
It is a time-honored fashion to implement a Domain-Specific Language (DSL) by translation to a general-purpose language. Such an implementation is more portable, but an unidiomatic translation...
Provided by Aarhus University
-
White Papers
Signature Schemes Secure Against Hard-to-Invert Leakage
January 30, 2012, 12:00am PST
In the auxiliary input model an adversary is allowed to see a computationally hard-to-invert function of the secret key. The auxiliary input model weakens the bounded leakage assumption commonly...
Provided by Aarhus University
-
White Papers
On Secure Two-Party Integer Division
March 29, 2012, 12:00am PDT
Secure Multi-Party Computation (MPC) allows two or more mutually mistrusting parties to evaluate a function on private data without revealing additional information. Many potential applications...
Provided by Aarhus University
-
White Papers
Simulation of Channel Characteristics for Complex Networks
October 2, 2009, 12:00am PDT
In this paper a novel approach to simulate a complex network is presented. In powerline communication the communication channel often comprises of complex networks of conductors, which primary...
Provided by Aarhus University
-
White Papers
Load Balancing Metric With Diversity for Energy Efficient Routing in Wireless Sensor Networks
June 30, 2011, 12:00am PDT
The Expected number of Transmission (ETX) represents a routing metric that considers the highly variable link qualities for a specific radio in Wireless Sensor Networks (WSNs). To adapt to these...
Provided by Aarhus University
-
White Papers
JWIG: Yet Another Framework for Maintainable and Secure Web Applications
March 13, 2009, 12:00am PDT
Although numerous frameworks for web application programming have been developed in recent years, writing web applications remains a challenging task. Guided by a collection of classical design...
Provided by Aarhus University
-
White Papers
Type Analysis for JavaScript
May 20, 2009, 12:00am PDT
JavaScript is the main scripting language for Web browsers, and it is essential to modern Web applications. Programmers have started using it for writing complex applications, but there is still...
Provided by Aarhus University
-
White Papers
The Non-Monotonic Effect Of Financing Constraints On Investment
August 11, 2009, 12:00am PDT
The authors analyze investment timing in a discrete-time framework with two possible investment dates, which is an extension of the model by Lyandres (2007). They derive an investment threshold...
Provided by Aarhus University
-
White Papers
Leakage Resilient Secure Two-Party Computation
May 24, 2011, 12:00am PDT
In the traditional secure function evaluation setting, some set of distrusting parties jointly compute a function of their respective inputs securely which means that the real-life computation...
Provided by Aarhus University
-
White Papers
On the Communication Complexity of Reliable and Secure Message Transmission in Asynchronous Networks
June 1, 2011, 12:00am PDT
In this paper, the authors study the communication complexity of Reliable Message Transmission (RMT) and Secure Message Transmission (SMT) protocols in asynchronous settings. They consider two...
Provided by Aarhus University
-
White Papers
The Internal Competitor: Buyer Motives And External Supplier Marketing Strategies
August 27, 2010, 12:00am PDT
The purpose of this paper is to identify buyer motives for supporting internal competitors and to suggest relevant marketing strategy elements for external suppliers confronting these internal...
Provided by Aarhus University
-
White Papers
Start Making Sense Again - Business Relationship Restoration After Severe Norm Violation Episodes
August 29, 2010, 12:00am PDT
Relational norms provide behavioural guidelines for individual actors interacting in business relationships. Frequently, norms are violated and the involved actors initiate a normalisation process...
Provided by Aarhus University
-
White Papers
Enacting Representations Of Markets In Exchange Practices In The Danish Potato Industry
August 28, 2010, 12:00am PDT
The paper explores the potential of John Shotter's (2008) relationally-responsive version of social constructionism for studying and analysing representations of markets and how these are enacted...
Provided by Aarhus University
-
White Papers
Secure Multiparty AES (full Paper)
December 11, 2009, 12:00am PST
In secure Multi Party Computation (MPC), a number of players each supply a private input and then compute an agreed function on these inputs securely, i.e., even if an adversary corrupts some of...
Provided by Aarhus University
-
White Papers
A Note on Zero-Knowledge Proofs of Knowledge and the ZKPOK Ideal Functionality
October 28, 2010, 12:00am PDT
In this note, the authors provide a formal proof of the fact that any protocol that is a zero-knowledge proof of knowledge for a relation R is also a secure protocol for the zero-knowledge proof...
Provided by Aarhus University
-
White Papers
Receiver-Deniable Public-Key Encryption Is Impossible
January 25, 2011, 12:00am PST
A receiver-deniable public-key cryptosystem is a public-key cryptosystem where the receiver can change her secret key as to make it look like a given ciphertext decrypts to some message different...
Provided by Aarhus University
-
White Papers
Fully Simulatable Quantum-Secure Coin-Flipping and Applications
February 9, 2011, 12:00am PST
The authors propose a coin-flip protocol which yields a string of strong, random coins and is fully simulatable against poly-sized quantum adversaries on both sides. It can be implemented with...
Provided by Aarhus University
-
White Papers
Secure Datastructures Based on Multiparty Computation
February 16, 2011, 12:00am PST
The problem of secure multiparty computation - performing some computation based on distributed, private inputs - has been studied intensively for more than twenty years. This paper includes both...
Provided by Aarhus University
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