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Institute for Infocomm Research
(31 results)-
White Papers
Minimizing SSO Effort in Verifying SSL Anti-Phishing Indicators
September 5, 2008, 12:00am PDT
In an on-line transaction, a user sends her personal sensitive data (e.g., password) to a server for authentication. This process is known as Single Sign-On (SSO). Subject to phishing and pharming...
Provided by Institute for Infocomm Research
-
White Papers
Antisocial Networks: Turning a Social Network Into a Botnet
June 22, 2008, 12:00am PDT
Antisocial Networks are distributed systems based on social networking Web sites that can be exploited by attackers, and directed to carry out network attacks. Malicious users are able to take...
Provided by Institute for Infocomm Research
-
White Papers
Video Streaming Over Bluetooth: A Survey
November 6, 2003, 12:00am PST
In recent years, wireless ad hoc networks have been a growing area of research. The advent of Bluetooth wireless technology makes it possible to transmit real-time video/audio in mobile and...
Provided by Institute for Infocomm Research
-
White Papers
TAO: Protecting Against Hitlist Worms Using Transparent Address Obfuscation
September 10, 2006, 12:00am PDT
Sophisticated worms that use precomputed hitlists of vulnerable targets are especially hard to contain, since they are harder to detect, and spread at rates where even automated defenses may not...
Provided by Institute for Infocomm Research
-
White Papers
Efficient Online/Offline Identity-Based Signature for Wireless Sensor Network
April 26, 2010, 12:00am PDT
In this paper, the authors present an online/offline identity-based signature scheme for the Wireless Sensor Network (WSN). The authors argue that due to significant reduction in costs of...
Provided by Institute for Infocomm Research
-
White Papers
Failure of a Mix Network
January 1, 2011, 12:00am PST
A mix network by Wikstrom fails in correctness, provable privacy and soundness. Its claimed advantages in security and efficiency are compromised. The analysis in this paper illustrates that...
Provided by Institute for Infocomm Research
-
White Papers
Short and Efficient Certificate-Based Signature
February 2, 2011, 12:00am PST
In this paper, the authors propose a short and efficient Certificate-Based Signature (CBS) scheme. Certificate-based cryptography proposed by entry combines the merit of traditional Public Key...
Provided by Institute for Infocomm Research
-
White Papers
AES Variants Secure Against Related-Key Differential and Boomerang Attacks
February 11, 2011, 12:00am PST
In this paper, the authors summarize the recent related-key differential and boomerang attacks on AES by Biryukov et al. and present a framework for protection against these attacks. Then they...
Provided by Institute for Infocomm Research
-
White Papers
On Two-Way Communications for Cooperative Multiple Source Pairs Through a Multi-Antenna Relay
December 10, 2010, 12:00am PST
The authors study Amplified-and-Forward (AF)-based Two-Way Relaying (TWR) with multiple source pairs, which are exchanging information through the relay. Each source has single antenna and the...
Provided by Institute for Infocomm Research
-
White Papers
HoneyLab: Large-Scale Honeypot Deployment and Resource Sharing
July 23, 2009, 12:00am PDT
Honeypots are valuable tools for detecting and analyzing malicious activity on the Internet. Successful and time-critical detection of such activity often depends on large-scale deployment....
Provided by Institute for Infocomm Research
-
White Papers
Harnessing the Power of P2P Systems for Fast Attack Signature Validation
July 23, 2009, 12:00am PDT
Attack signature validation plays a key role in intrusion detection and prevention technologies. Usually, when new attacks, particularly worms, appear, security software analyzes and generates...
Provided by Institute for Infocomm Research
-
White Papers
Real-World Polymorphic Attack Detection
May 11, 2009, 12:00am PDT
As state-of-the-art attack detection technology becomes more prevalent, attackers have started to employ evasion techniques such as code obfuscation and polymorphism to defeat existing defenses....
Provided by Institute for Infocomm Research
-
White Papers
Audio-Visual Wireless Streaming Platform for the Residential Environment Employing Mesh and MIMO Extensions
May 2, 2007, 12:00am PDT
ASTRALS is a project funded by the FP6 IST program which focuses on the in-home delivery, adaptation and processing of multiple audio/visual streams. One aspect of this project focuses on the...
Provided by Institute for Infocomm Research
-
White Papers
Adaptive Response System for Distributed Denial-of-Service Attacks
January 19, 2009, 12:00am PST
This dissertation presents a Distributed denial-of-service Adaptive ResponsE (DARE) system, capable of executing appropriate detection and mitigation responses automatically and adaptively...
Provided by Institute for Infocomm Research
-
White Papers
A Privacy-Preserving Secure Service Discovery Protocol for Ubiquitous Computing Environments
October 14, 2010, 12:00am PDT
Recently, numerous service discovery protocols have been introduced in the open literature. Unfortunately, many of them did not consider security issues, and for those that did, many security and...
Provided by Institute for Infocomm Research
-
White Papers
A Cooperative Retransmission Scheme for IR-UWB Networks
June 18, 2008, 12:00am PDT
The authors design a cooperative retransmission scheme in the MAC layer which utilizes the UWB unique properties such as fine ranging and immunity to small scale fading in order to exploit the...
Provided by Institute for Infocomm Research
-
White Papers
Cooperative Retransmissions Using Markov Decision Process With Reinforcement Learning
June 16, 2009, 12:00am PDT
In cooperative retransmissions, nodes with better channel qualities help other nodes in retransmitting a failed packet to its intended destination. In this paper, the authors propose a cooperative...
Provided by Institute for Infocomm Research
-
White Papers
Security Analysis of Two Ultra-Lightweight RFID Authentication Protocols
February 8, 2007, 12:00am PST
In this paper, the authors demonstrated two effective attacks against two ultra-lightweight RFID mutual authentication protocols, which are recently proposed. The severity of the attacks indicates...
Provided by Institute for Infocomm Research
-
White Papers
Undeniable Mobile Billing Schemes
April 24, 2007, 12:00am PDT
An undeniable mobile billing system allows a mobile network service provider to bill its subscribers with trustworthy evidences. Chen, Jan and Chen proposed such a billing system by introducing a...
Provided by Institute for Infocomm Research
-
White Papers
Optimal Energy Allocation for Wireless Communications Powered by Energy Harvesters
April 30, 2010, 12:00am PDT
The authors consider the use of energy harvesters, in place of conventional batteries with fixed energy storage, for point-to-point wireless communications. In addition to the challenge of...
Provided by Institute for Infocomm Research
-
White Papers
BER Minimization in Relay-Assisted OFDM Systems by Subcarrier Permutation
February 11, 2008, 12:00am PST
The authors consider relay-assisted communications from a source to a destination based on OFDM. The relay performs subcarrier permutation by exploiting full Channel State Information (CSI), in...
Provided by Institute for Infocomm Research
-
White Papers
Security Remarks on a Convertible Nominative Signature Scheme
January 31, 2007, 12:00am PST
A nominative signature scheme allows a nominator (i.e. the signer) and a nominee (i.e. a designated verifier) to jointly generate and publish a signature so that only the nominee can check the...
Provided by Institute for Infocomm Research
-
White Papers
On the Generic and Efficient Constructions of Secure Designated Confirmer Signatures
February 5, 2007, 12:00am PST
For controlling the public verifiability of ordinary digital signatures, Designated Confirmer Signature (DCS) schemes were introduced by Chaum at Eurocrypt 1994. In such schemes, a signature can...
Provided by Institute for Infocomm Research
-
White Papers
Design and Analysis of Fuzzy Extractors for Faces
March 20, 2009, 12:00am PDT
It is both crucial and challenging to protect biometric data used for biometric identification and authentication systems, while keeping the systems user-friendly. The authors study the design and...
Provided by Institute for Infocomm Research
-
White Papers
Four Transmit Diversity Schemes for Coded OFDM Systems With Four Transmit Antennas
September 1, 2008, 12:00am PDT
The authors compare four open-loop transmit diversity schemes in a coded Orthogonal Frequency Division Multiplexing (OFDM) system with four transmit antennas, namely Cyclic Shift Diversity (CSD),...
Provided by Institute for Infocomm Research
-
White Papers
Three-Time-Slot Quasi-Orthogonal Space-Time Block Codes
September 28, 2009, 12:00am PDT
In this paper, a class of Quasi-orthogonal Space-Time Block Codes (Q-STBC) is proposed for systems with 2 antennas and 3 time slots, where the orthogonal Alamouti code can not be applied due to...
Provided by Institute for Infocomm Research
-
White Papers
A Continuous Vector-Perturbation for Multi-Antenna Multi-User Communication
January 26, 2007, 12:00am PST
The sum-rate of the broadcast channel in a multi-antenna multi-user communication system can be achieved by using precoding and adding a regular perturbation to the data vector. The perturbation...
Provided by Institute for Infocomm Research
-
White Papers
Comparative Study of Open-Loop Transmit Diversity Schemes for Four Transmit Antennas in Coded OFDM Systems
June 6, 2007, 12:00am PDT
The authors compare four open-loop transmit diversity schemes in a coded Orthogonal Frequency Division Multiplexing (OFDM) system with four transmit antennas, namely Cyclic Delay Diversity (CDD),...
Provided by Institute for Infocomm Research
-
White Papers
Application Based Distance Measurement for Context Retrieval in Ubiquitous Computing
July 6, 2007, 12:00am PDT
Building large-scale smart environments is one of the long-term goals of ubiquitous computing. The widespread of context information in such environments necessitates an effective context...
Provided by Institute for Infocomm Research
-
White Papers
A DINloop-Based Inter-Domain Multicast Using MPLS
February 3, 2009, 12:00am PST
To overcome scalability and control overhead problems existing in inter-domain multicast, DINloop (Data-In-Network loop) based multicast with MPLS is proposed. DINloop is a special logical path...
Provided by Institute for Infocomm Research
-
White Papers
Wireless Sensor Networks Powered by Ambient Energy Harvesting (WSN-HEAP) - Survey and Challenges
March 7, 2009, 12:00am PST
Wireless Sensor Networks (WSNs) research has predominantly assumed the use of a portable and limited energy source, viz. batteries, to power sensors. Without energy, a sensor is essentially...
Provided by Institute for Infocomm Research
-
White Papers
Application Based Distance Measurement for Context Retrieval in Ubiquitous Computing
July 6, 2007, 12:00am PDT
Building large-scale smart environments is one of the long-term goals of ubiquitous computing. The widespread of context information in such environments necessitates an effective context...
Provided by Institute for Infocomm Research
-
White Papers
Comparative Study of Open-Loop Transmit Diversity Schemes for Four Transmit Antennas in Coded OFDM Systems
June 6, 2007, 12:00am PDT
The authors compare four open-loop transmit diversity schemes in a coded Orthogonal Frequency Division Multiplexing (OFDM) system with four transmit antennas, namely Cyclic Delay Diversity (CDD),...
Provided by Institute for Infocomm Research
-
White Papers
A Continuous Vector-Perturbation for Multi-Antenna Multi-User Communication
January 26, 2007, 12:00am PST
The sum-rate of the broadcast channel in a multi-antenna multi-user communication system can be achieved by using precoding and adding a regular perturbation to the data vector. The perturbation...
Provided by Institute for Infocomm Research
-
White Papers
Three-Time-Slot Quasi-Orthogonal Space-Time Block Codes
September 28, 2009, 12:00am PDT
In this paper, a class of Quasi-orthogonal Space-Time Block Codes (Q-STBC) is proposed for systems with 2 antennas and 3 time slots, where the orthogonal Alamouti code can not be applied due to...
Provided by Institute for Infocomm Research
-
White Papers
Four Transmit Diversity Schemes for Coded OFDM Systems With Four Transmit Antennas
September 1, 2008, 12:00am PDT
The authors compare four open-loop transmit diversity schemes in a coded Orthogonal Frequency Division Multiplexing (OFDM) system with four transmit antennas, namely Cyclic Shift Diversity (CSD),...
Provided by Institute for Infocomm Research
-
White Papers
Design and Analysis of Fuzzy Extractors for Faces
March 20, 2009, 12:00am PDT
It is both crucial and challenging to protect biometric data used for biometric identification and authentication systems, while keeping the systems user-friendly. The authors study the design and...
Provided by Institute for Infocomm Research
-
White Papers
On the Generic and Efficient Constructions of Secure Designated Confirmer Signatures
February 5, 2007, 12:00am PST
For controlling the public verifiability of ordinary digital signatures, Designated Confirmer Signature (DCS) schemes were introduced by Chaum at Eurocrypt 1994. In such schemes, a signature can...
Provided by Institute for Infocomm Research
-
White Papers
Security Remarks on a Convertible Nominative Signature Scheme
January 31, 2007, 12:00am PST
A nominative signature scheme allows a nominator (i.e. the signer) and a nominee (i.e. a designated verifier) to jointly generate and publish a signature so that only the nominee can check the...
Provided by Institute for Infocomm Research
-
White Papers
BER Minimization in Relay-Assisted OFDM Systems by Subcarrier Permutation
February 11, 2008, 12:00am PST
The authors consider relay-assisted communications from a source to a destination based on OFDM. The relay performs subcarrier permutation by exploiting full Channel State Information (CSI), in...
Provided by Institute for Infocomm Research
-
White Papers
Optimal Energy Allocation for Wireless Communications Powered by Energy Harvesters
April 30, 2010, 12:00am PDT
The authors consider the use of energy harvesters, in place of conventional batteries with fixed energy storage, for point-to-point wireless communications. In addition to the challenge of...
Provided by Institute for Infocomm Research
-
White Papers
Undeniable Mobile Billing Schemes
April 24, 2007, 12:00am PDT
An undeniable mobile billing system allows a mobile network service provider to bill its subscribers with trustworthy evidences. Chen, Jan and Chen proposed such a billing system by introducing a...
Provided by Institute for Infocomm Research
-
White Papers
Security Analysis of Two Ultra-Lightweight RFID Authentication Protocols
February 8, 2007, 12:00am PST
In this paper, the authors demonstrated two effective attacks against two ultra-lightweight RFID mutual authentication protocols, which are recently proposed. The severity of the attacks indicates...
Provided by Institute for Infocomm Research
-
White Papers
Cooperative Retransmissions Using Markov Decision Process With Reinforcement Learning
June 16, 2009, 12:00am PDT
In cooperative retransmissions, nodes with better channel qualities help other nodes in retransmitting a failed packet to its intended destination. In this paper, the authors propose a cooperative...
Provided by Institute for Infocomm Research
-
White Papers
A Cooperative Retransmission Scheme for IR-UWB Networks
June 18, 2008, 12:00am PDT
The authors design a cooperative retransmission scheme in the MAC layer which utilizes the UWB unique properties such as fine ranging and immunity to small scale fading in order to exploit the...
Provided by Institute for Infocomm Research
-
White Papers
A Privacy-Preserving Secure Service Discovery Protocol for Ubiquitous Computing Environments
October 14, 2010, 12:00am PDT
Recently, numerous service discovery protocols have been introduced in the open literature. Unfortunately, many of them did not consider security issues, and for those that did, many security and...
Provided by Institute for Infocomm Research
-
White Papers
Adaptive Response System for Distributed Denial-of-Service Attacks
January 19, 2009, 12:00am PST
This dissertation presents a Distributed denial-of-service Adaptive ResponsE (DARE) system, capable of executing appropriate detection and mitigation responses automatically and adaptively...
Provided by Institute for Infocomm Research
-
White Papers
Audio-Visual Wireless Streaming Platform for the Residential Environment Employing Mesh and MIMO Extensions
May 2, 2007, 12:00am PDT
ASTRALS is a project funded by the FP6 IST program which focuses on the in-home delivery, adaptation and processing of multiple audio/visual streams. One aspect of this project focuses on the...
Provided by Institute for Infocomm Research
-
White Papers
Real-World Polymorphic Attack Detection
May 11, 2009, 12:00am PDT
As state-of-the-art attack detection technology becomes more prevalent, attackers have started to employ evasion techniques such as code obfuscation and polymorphism to defeat existing defenses....
Provided by Institute for Infocomm Research
-
White Papers
Harnessing the Power of P2P Systems for Fast Attack Signature Validation
July 23, 2009, 12:00am PDT
Attack signature validation plays a key role in intrusion detection and prevention technologies. Usually, when new attacks, particularly worms, appear, security software analyzes and generates...
Provided by Institute for Infocomm Research
-
White Papers
HoneyLab: Large-Scale Honeypot Deployment and Resource Sharing
July 23, 2009, 12:00am PDT
Honeypots are valuable tools for detecting and analyzing malicious activity on the Internet. Successful and time-critical detection of such activity often depends on large-scale deployment....
Provided by Institute for Infocomm Research
-
White Papers
On Two-Way Communications for Cooperative Multiple Source Pairs Through a Multi-Antenna Relay
December 10, 2010, 12:00am PST
The authors study Amplified-and-Forward (AF)-based Two-Way Relaying (TWR) with multiple source pairs, which are exchanging information through the relay. Each source has single antenna and the...
Provided by Institute for Infocomm Research
-
White Papers
AES Variants Secure Against Related-Key Differential and Boomerang Attacks
February 11, 2011, 12:00am PST
In this paper, the authors summarize the recent related-key differential and boomerang attacks on AES by Biryukov et al. and present a framework for protection against these attacks. Then they...
Provided by Institute for Infocomm Research
-
White Papers
Short and Efficient Certificate-Based Signature
February 2, 2011, 12:00am PST
In this paper, the authors propose a short and efficient Certificate-Based Signature (CBS) scheme. Certificate-based cryptography proposed by entry combines the merit of traditional Public Key...
Provided by Institute for Infocomm Research
-
White Papers
Failure of a Mix Network
January 1, 2011, 12:00am PST
A mix network by Wikstrom fails in correctness, provable privacy and soundness. Its claimed advantages in security and efficiency are compromised. The analysis in this paper illustrates that...
Provided by Institute for Infocomm Research
-
White Papers
Efficient Online/Offline Identity-Based Signature for Wireless Sensor Network
April 26, 2010, 12:00am PDT
In this paper, the authors present an online/offline identity-based signature scheme for the Wireless Sensor Network (WSN). The authors argue that due to significant reduction in costs of...
Provided by Institute for Infocomm Research
-
White Papers
TAO: Protecting Against Hitlist Worms Using Transparent Address Obfuscation
September 10, 2006, 12:00am PDT
Sophisticated worms that use precomputed hitlists of vulnerable targets are especially hard to contain, since they are harder to detect, and spread at rates where even automated defenses may not...
Provided by Institute for Infocomm Research
-
White Papers
Antisocial Networks: Turning a Social Network Into a Botnet
June 22, 2008, 12:00am PDT
Antisocial Networks are distributed systems based on social networking Web sites that can be exploited by attackers, and directed to carry out network attacks. Malicious users are able to take...
Provided by Institute for Infocomm Research
-
White Papers
Minimizing SSO Effort in Verifying SSL Anti-Phishing Indicators
September 5, 2008, 12:00am PDT
In an on-line transaction, a user sends her personal sensitive data (e.g., password) to a server for authentication. This process is known as Single Sign-On (SSO). Subject to phishing and pharming...
Provided by Institute for Infocomm Research
-
White Papers
Wireless Sensor Networks Powered by Ambient Energy Harvesting (WSN-HEAP) - Survey and Challenges
March 7, 2009, 12:00am PST
Wireless Sensor Networks (WSNs) research has predominantly assumed the use of a portable and limited energy source, viz. batteries, to power sensors. Without energy, a sensor is essentially...
Provided by Institute for Infocomm Research
-
White Papers
A DINloop-Based Inter-Domain Multicast Using MPLS
February 3, 2009, 12:00am PST
To overcome scalability and control overhead problems existing in inter-domain multicast, DINloop (Data-In-Network loop) based multicast with MPLS is proposed. DINloop is a special logical path...
Provided by Institute for Infocomm Research
-
White Papers
Video Streaming Over Bluetooth: A Survey
November 6, 2003, 12:00am PST
In recent years, wireless ad hoc networks have been a growing area of research. The advent of Bluetooth wireless technology makes it possible to transmit real-time video/audio in mobile and...
Provided by Institute for Infocomm Research
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