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Bar-Ilan University
(35 results)-
White Papers
An Empirical Study of Denial of Service Mitigation Techniques
July 24, 2008, 12:00am PDT
This paper presents an empirical study of the resistance of several protocols to Denial of Service (DoS) attacks on client-server communication. They show that protocols that use authentication...
Provided by Bar-Ilan University
-
White Papers
Making Privacy-Preserving Data Mining Practical With Smartcards
January 20, 2009, 12:00am PST
Data mining provides large benefits to the commercial, government and homeland security sectors, but the aggregation and storage of huge amounts of data about citizens inevitably leads to an...
Provided by Bar-Ilan University
-
White Papers
Learning With Personal Laptops in School: Benefits & Gains, Obstacles & Constraints - Following a Longitudinal Study
February 2, 2010, 12:00am PST
Despite the many ways in which computers can be distributed in schools, teachers' and students' reports still indicate that computers are used only part of time, and a small part at that. Around...
Provided by Bar-Ilan University
-
White Papers
Aggregate Message Authentication Codes
October 12, 2009, 12:00am PDT
This paper proposes and investigates the notions relating to Aggregate Authentication Codes (MACs). These have the property of aggregating multiple MAC tags to form a shorter tag that maintains...
Provided by Bar-Ilan University
-
White Papers
A Study of the Usability of Multicore Threading Tools
July 1, 2010, 12:00am PDT
The primary consequence of the transition to multicore processors is that applications will increasingly need to be parallelized to fully exploit the throughput gains now becoming available....
Provided by Bar-Ilan University
-
White Papers
Secure Multiparty Computation for Privacy-Preserving Data Mining
May 6, 2008, 12:00am PDT
In this paper, the authors' survey the basic paradigms and notions of secure multiparty computation and discuss their relevance to the field of privacy-preserving data mining. In addition to...
Provided by Bar-Ilan University
-
White Papers
The Evolution Of Secularization: Cultural Transmission, Religion And Fertility Theory, Simulations And Evidence
June 8, 2010, 12:00am PDT
This paper presents an evolutionary process of secularization that integrates a theoretical model, simulations, and an empirical estimation that employs data from 32 countries (included in the...
Provided by Bar-Ilan University
-
White Papers
Is Specialization Desirable In Committee Decision Making?
June 8, 2010, 12:00am PDT
Committee decision making is examined in this paper focusing on the role assigned to the committee members. In particular, the authors are concerned about the comparison between committee...
Provided by Bar-Ilan University
-
White Papers
Is Skilled Immigration Always Good For Growth In The Receiving Economy?
April 11, 2010, 12:00am PDT
Highly skilled immigration can be growth enhancing if the positive contribution of the imported brains to the host economy's human capital stock outweighs the immigration-induced adverse effect on...
Provided by Bar-Ilan University
-
White Papers
Coordination And Critical Mass In A Network Market: An Experimental Investigation
February 1, 2010, 12:00am PST
A network market is a market in which the benefit each consumer derives from a good is an increasing function of the number of consumers who own the same or similar goods. A major obstacle that...
Provided by Bar-Ilan University
-
White Papers
A General Index Of Inherent Risk
February 1, 2009, 12:00am PST
The authors extend the pioneering work of Aumann and Serrano by presenting an index of inherent riskiness of a gamble having the desirable properties of their index, while being applicable to...
Provided by Bar-Ilan University
-
White Papers
Legal Tender
April 7, 2009, 12:00am PDT
The legal foundation of the monetary system is the law of legal tender. The "Legal tender" concept is used in models to describe almost anything except for what it really means in actual laws....
Provided by Bar-Ilan University
-
White Papers
Framing-Based Choice: A Model Of Decision-Making Under Risk
June 11, 2009, 12:00am PDT
In this paper the authors propose an axiomatic theory of decision-making under risk that is based on a new approach to the modeling of framing that focuses on the subjective statistical dependence...
Provided by Bar-Ilan University
-
White Papers
The Efficient And Fair Approval Of "Multiple-Cost - Singlebenefit" Projects Under Unilateral Information
May 1, 2009, 12:00am PDT
This paper mainly focuses on indivisible multiple-cost - single-benefit projects that must be approved by the government. A simple mechanism is proposed that ensures an efficient and fair...
Provided by Bar-Ilan University
-
White Papers
Group Specific Public Goods, Orchestration Of Interest Groups And Free Riding
January 14, 2009, 12:00am PST
The authors consider a two group contest over a group specific public good where each member of a group has a different benefit from the good. This model can be interpreted in two ways: Each of...
Provided by Bar-Ilan University
-
White Papers
Information-Theoretically Secure Protocols and Security Under Composition
December 20, 2009, 12:00am PST
This paper investigates the question of whether security of protocols in the information-theoretic setting (Where the adversary is computationally unbounded) implies the security of these...
Provided by Bar-Ilan University
-
White Papers
Comparison-Based Key Exchange and the Security of the Numeric Comparison Mode in Bluetooth v2.1
January 6, 2009, 12:00am PST
In this paper the authors study key exchange protocols in a model where the key exchange takes place between devices with limited displays that can be compared by a human user. If the devices...
Provided by Bar-Ilan University
-
White Papers
A Note on the Relation Between the Definitions of Security for Semi-Honest and Malicious Adversaries
October 28, 2010, 12:00am PDT
In secure computation, a set of parties wish to jointly compute some function of their private inputs while preserving security properties like privacy, correctness and more. The two main...
Provided by Bar-Ilan University
-
White Papers
Legally Enforceable Fairness in Secure Two-Party Computation
June 10, 2009, 12:00am PDT
In the setting of secure multiparty computation, a set of mutually distrustful parties wish to securely compute some joint function of their private inputs. The computation should be carried out...
Provided by Bar-Ilan University
-
White Papers
A Practical Application of Differential Privacy to Personalized Online Advertising
March 30, 2011, 12:00am PDT
Online advertising plays an important role in supporting many Internet services. Personalized online advertising offers marketers a way to direct ads at very specific audiences. The vast body of...
Provided by Bar-Ilan University
-
White Papers
A Full Proof of the BGW Protocol for Perfectly-Secure Multiparty Computation
April 4, 2011, 12:00am PDT
In the setting of secure multiparty computation, a set of n parties with private inputs wish to jointly compute some functionality of their inputs. One of the most fundamental results of...
Provided by Bar-Ilan University
-
White Papers
Secure Guaranteed Computation
August 30, 2010, 12:00am PDT
The authors introduce secure guaranteed two-party computation, where parties commit in advance to compute a function over their private inputs, by providing some (validated) compensation, such...
Provided by Bar-Ilan University
-
White Papers
Efficient Protocols for Set Intersection and Pattern Matching With Security Against Malicious and Covert Adversaries
September 14, 2008, 12:00am PDT
In this paper the authors construct efficient secure protocols for set intersection and pattern matching. The protocols for securely computing the set intersection functionality are based on...
Provided by Bar-Ilan University
-
White Papers
Security Against Covert Adversaries: Efficient Protocols for Realistic Adversaries
March 8, 2009, 12:00am PST
In the setting of secure multiparty computation, a set of mutually distrustful parties wish to securely compute some joint function of their private inputs. The computation should be carried out...
Provided by Bar-Ilan University
-
White Papers
Manipulating Multistage Interconnection Networks Using Fundamental Arrangements
December 1, 2010, 12:00am PST
Optimizing interconnection networks is a prime object in switching schemes. In this paper the authors present a novel approach for obtaining a required channel arrangement in a multi-stage...
Provided by Bar-Ilan University
-
White Papers
The Layered Games Framework for Specifications and Analysis of Security Protocols
June 22, 2008, 12:00am PDT
The authors establish rigorous foundations to the use of modular, layered design for building complex distributed systems, resilient to failures and attacks. Layering is key to the design of the...
Provided by Bar-Ilan University
-
White Papers
Bounds on the Capacity of OFDM Underspread Frequency Selective Fading Channels
July 4, 2011, 12:00am PDT
The analysis of the channel capacity in the absence of prior channel knowledge (noncoherent channel) has gained increasing interest in recent years, but it is still unknown for the general case....
Provided by Bar-Ilan University
-
White Papers
Proofs of Ownership in Remote Storage Systems
April 29, 2011, 12:00am PDT
Cloud storage systems are increasingly popular nowadays, and a promising technology to keep their cost down is deduplication, namely removing unnecessary copies of repeating data. Moreover,...
Provided by Bar-Ilan University
-
Whitepapers
Security of Patched DNS
May 23, 2012, 12:00am PDT
In spite of the availability of DNSSEC, which protects against cache poisoning even by MitM attackers, many caching DNS resolvers still rely for their security against poisoning on merely...
Provided by Bar-Ilan University
-
Whitepapers
SCAPI: The Secure Computation Application Programming Interface
November 7, 2012, 12:00am PST
Secure two-party and multiparty computation has long stood at the center of the foundations of theoretical cryptography. Recently, however, interest has grown regarding the efficiency of such...
Provided by Bar-Ilan University
-
Whitepapers
Polynomial Time Cryptanalysis of Noncommutative-Algebraic Key Exchange Protocols
October 30, 2012, 12:00am PDT
Key Exchange Protocols (KEPs) make it possible for two electronic entities, Alice and Bob, to establish a shared secret key over a public communication channel. Since Diffie and Hellman's 1976...
Provided by Bar-Ilan University
-
Whitepapers
Leakage-Resilient Cryptography from Minimal Assumptions
October 25, 2012, 12:00am PDT
A central goal in cryptography is to base cryptosystems on intractability assumptions that are as weak and as general as possible; that way, if one problem turns out to be susceptible to a new...
Provided by Bar-Ilan University
-
Whitepapers
On the Feasibility of Extending Oblivious Transfer
June 12, 2012, 12:00am PDT
Oblivious transfer is one of the most basic and important building blocks in cryptography. As such, understanding its cost is of prime importance. Beaver (STOC 1996) showed that it is possible to...
Provided by Bar-Ilan University
-
White Papers
SINR Diagrams: Towards Algorithmically Usable SINR Models of Wireless Networks
December 10, 2008, 12:00am PST
The rules governing the availability and quality of connections in a wireless network are described by physical models such as the Signal-to-Interference & Noise Ratio (SINR) model. For a...
Provided by Bar-Ilan University
-
White Papers
Multiparty Computation With Low Communication, Computation and Interaction Via Threshold FHE
November 14, 2011, 12:00am PST
Fully Homomorphic Encryption (FHE) provides a simple template for secure computation between two parties (Alice and Bob) where: Alice encrypts her input under her key, Bob homomorphically...
Provided by Bar-Ilan University
-
Whitepapers
On the Feasibility of Extending Oblivious Transfer
June 12, 2012, 12:00am PDT
Oblivious transfer is one of the most basic and important building blocks in cryptography. As such, understanding its cost is of prime importance. Beaver (STOC 1996) showed that it is possible to...
Provided by Bar-Ilan University
-
Whitepapers
Leakage-Resilient Cryptography from Minimal Assumptions
October 25, 2012, 12:00am PDT
A central goal in cryptography is to base cryptosystems on intractability assumptions that are as weak and as general as possible; that way, if one problem turns out to be susceptible to a new...
Provided by Bar-Ilan University
-
Whitepapers
Polynomial Time Cryptanalysis of Noncommutative-Algebraic Key Exchange Protocols
October 30, 2012, 12:00am PDT
Key Exchange Protocols (KEPs) make it possible for two electronic entities, Alice and Bob, to establish a shared secret key over a public communication channel. Since Diffie and Hellman's 1976...
Provided by Bar-Ilan University
-
Whitepapers
SCAPI: The Secure Computation Application Programming Interface
November 7, 2012, 12:00am PST
Secure two-party and multiparty computation has long stood at the center of the foundations of theoretical cryptography. Recently, however, interest has grown regarding the efficiency of such...
Provided by Bar-Ilan University
-
Whitepapers
Security of Patched DNS
May 23, 2012, 12:00am PDT
In spite of the availability of DNSSEC, which protects against cache poisoning even by MitM attackers, many caching DNS resolvers still rely for their security against poisoning on merely...
Provided by Bar-Ilan University
-
White Papers
Multiparty Computation With Low Communication, Computation and Interaction Via Threshold FHE
November 14, 2011, 12:00am PST
Fully Homomorphic Encryption (FHE) provides a simple template for secure computation between two parties (Alice and Bob) where: Alice encrypts her input under her key, Bob homomorphically...
Provided by Bar-Ilan University
-
White Papers
SINR Diagrams: Towards Algorithmically Usable SINR Models of Wireless Networks
December 10, 2008, 12:00am PST
The rules governing the availability and quality of connections in a wireless network are described by physical models such as the Signal-to-Interference & Noise Ratio (SINR) model. For a...
Provided by Bar-Ilan University
-
White Papers
Proofs of Ownership in Remote Storage Systems
April 29, 2011, 12:00am PDT
Cloud storage systems are increasingly popular nowadays, and a promising technology to keep their cost down is deduplication, namely removing unnecessary copies of repeating data. Moreover,...
Provided by Bar-Ilan University
-
White Papers
Bounds on the Capacity of OFDM Underspread Frequency Selective Fading Channels
July 4, 2011, 12:00am PDT
The analysis of the channel capacity in the absence of prior channel knowledge (noncoherent channel) has gained increasing interest in recent years, but it is still unknown for the general case....
Provided by Bar-Ilan University
-
White Papers
The Layered Games Framework for Specifications and Analysis of Security Protocols
June 22, 2008, 12:00am PDT
The authors establish rigorous foundations to the use of modular, layered design for building complex distributed systems, resilient to failures and attacks. Layering is key to the design of the...
Provided by Bar-Ilan University
-
White Papers
Manipulating Multistage Interconnection Networks Using Fundamental Arrangements
December 1, 2010, 12:00am PST
Optimizing interconnection networks is a prime object in switching schemes. In this paper the authors present a novel approach for obtaining a required channel arrangement in a multi-stage...
Provided by Bar-Ilan University
-
White Papers
Security Against Covert Adversaries: Efficient Protocols for Realistic Adversaries
March 8, 2009, 12:00am PST
In the setting of secure multiparty computation, a set of mutually distrustful parties wish to securely compute some joint function of their private inputs. The computation should be carried out...
Provided by Bar-Ilan University
-
White Papers
Efficient Protocols for Set Intersection and Pattern Matching With Security Against Malicious and Covert Adversaries
September 14, 2008, 12:00am PDT
In this paper the authors construct efficient secure protocols for set intersection and pattern matching. The protocols for securely computing the set intersection functionality are based on...
Provided by Bar-Ilan University
-
White Papers
Secure Guaranteed Computation
August 30, 2010, 12:00am PDT
The authors introduce secure guaranteed two-party computation, where parties commit in advance to compute a function over their private inputs, by providing some (validated) compensation, such...
Provided by Bar-Ilan University
-
White Papers
A Full Proof of the BGW Protocol for Perfectly-Secure Multiparty Computation
April 4, 2011, 12:00am PDT
In the setting of secure multiparty computation, a set of n parties with private inputs wish to jointly compute some functionality of their inputs. One of the most fundamental results of...
Provided by Bar-Ilan University
-
White Papers
A Practical Application of Differential Privacy to Personalized Online Advertising
March 30, 2011, 12:00am PDT
Online advertising plays an important role in supporting many Internet services. Personalized online advertising offers marketers a way to direct ads at very specific audiences. The vast body of...
Provided by Bar-Ilan University
-
White Papers
Legally Enforceable Fairness in Secure Two-Party Computation
June 10, 2009, 12:00am PDT
In the setting of secure multiparty computation, a set of mutually distrustful parties wish to securely compute some joint function of their private inputs. The computation should be carried out...
Provided by Bar-Ilan University
-
White Papers
A Note on the Relation Between the Definitions of Security for Semi-Honest and Malicious Adversaries
October 28, 2010, 12:00am PDT
In secure computation, a set of parties wish to jointly compute some function of their private inputs while preserving security properties like privacy, correctness and more. The two main...
Provided by Bar-Ilan University
-
White Papers
Comparison-Based Key Exchange and the Security of the Numeric Comparison Mode in Bluetooth v2.1
January 6, 2009, 12:00am PST
In this paper the authors study key exchange protocols in a model where the key exchange takes place between devices with limited displays that can be compared by a human user. If the devices...
Provided by Bar-Ilan University
-
White Papers
Information-Theoretically Secure Protocols and Security Under Composition
December 20, 2009, 12:00am PST
This paper investigates the question of whether security of protocols in the information-theoretic setting (Where the adversary is computationally unbounded) implies the security of these...
Provided by Bar-Ilan University
-
White Papers
Group Specific Public Goods, Orchestration Of Interest Groups And Free Riding
January 14, 2009, 12:00am PST
The authors consider a two group contest over a group specific public good where each member of a group has a different benefit from the good. This model can be interpreted in two ways: Each of...
Provided by Bar-Ilan University
-
White Papers
The Efficient And Fair Approval Of "Multiple-Cost - Singlebenefit" Projects Under Unilateral Information
May 1, 2009, 12:00am PDT
This paper mainly focuses on indivisible multiple-cost - single-benefit projects that must be approved by the government. A simple mechanism is proposed that ensures an efficient and fair...
Provided by Bar-Ilan University
-
White Papers
Framing-Based Choice: A Model Of Decision-Making Under Risk
June 11, 2009, 12:00am PDT
In this paper the authors propose an axiomatic theory of decision-making under risk that is based on a new approach to the modeling of framing that focuses on the subjective statistical dependence...
Provided by Bar-Ilan University
-
White Papers
Legal Tender
April 7, 2009, 12:00am PDT
The legal foundation of the monetary system is the law of legal tender. The "Legal tender" concept is used in models to describe almost anything except for what it really means in actual laws....
Provided by Bar-Ilan University
-
White Papers
A General Index Of Inherent Risk
February 1, 2009, 12:00am PST
The authors extend the pioneering work of Aumann and Serrano by presenting an index of inherent riskiness of a gamble having the desirable properties of their index, while being applicable to...
Provided by Bar-Ilan University
-
White Papers
Coordination And Critical Mass In A Network Market: An Experimental Investigation
February 1, 2010, 12:00am PST
A network market is a market in which the benefit each consumer derives from a good is an increasing function of the number of consumers who own the same or similar goods. A major obstacle that...
Provided by Bar-Ilan University
-
White Papers
Is Skilled Immigration Always Good For Growth In The Receiving Economy?
April 11, 2010, 12:00am PDT
Highly skilled immigration can be growth enhancing if the positive contribution of the imported brains to the host economy's human capital stock outweighs the immigration-induced adverse effect on...
Provided by Bar-Ilan University
-
White Papers
Is Specialization Desirable In Committee Decision Making?
June 8, 2010, 12:00am PDT
Committee decision making is examined in this paper focusing on the role assigned to the committee members. In particular, the authors are concerned about the comparison between committee...
Provided by Bar-Ilan University
-
White Papers
The Evolution Of Secularization: Cultural Transmission, Religion And Fertility Theory, Simulations And Evidence
June 8, 2010, 12:00am PDT
This paper presents an evolutionary process of secularization that integrates a theoretical model, simulations, and an empirical estimation that employs data from 32 countries (included in the...
Provided by Bar-Ilan University
-
White Papers
Secure Multiparty Computation for Privacy-Preserving Data Mining
May 6, 2008, 12:00am PDT
In this paper, the authors' survey the basic paradigms and notions of secure multiparty computation and discuss their relevance to the field of privacy-preserving data mining. In addition to...
Provided by Bar-Ilan University
-
White Papers
A Study of the Usability of Multicore Threading Tools
July 1, 2010, 12:00am PDT
The primary consequence of the transition to multicore processors is that applications will increasingly need to be parallelized to fully exploit the throughput gains now becoming available....
Provided by Bar-Ilan University
-
White Papers
Aggregate Message Authentication Codes
October 12, 2009, 12:00am PDT
This paper proposes and investigates the notions relating to Aggregate Authentication Codes (MACs). These have the property of aggregating multiple MAC tags to form a shorter tag that maintains...
Provided by Bar-Ilan University
-
White Papers
Learning With Personal Laptops in School: Benefits & Gains, Obstacles & Constraints - Following a Longitudinal Study
February 2, 2010, 12:00am PST
Despite the many ways in which computers can be distributed in schools, teachers' and students' reports still indicate that computers are used only part of time, and a small part at that. Around...
Provided by Bar-Ilan University
-
White Papers
Making Privacy-Preserving Data Mining Practical With Smartcards
January 20, 2009, 12:00am PST
Data mining provides large benefits to the commercial, government and homeland security sectors, but the aggregation and storage of huge amounts of data about citizens inevitably leads to an...
Provided by Bar-Ilan University
-
White Papers
An Empirical Study of Denial of Service Mitigation Techniques
July 24, 2008, 12:00am PDT
This paper presents an empirical study of the resistance of several protocols to Denial of Service (DoS) attacks on client-server communication. They show that protocols that use authentication...
Provided by Bar-Ilan University
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