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On The Security Performance of Physical-Layer Network Coding
Physical-layer network coding (PLNC) is a novel wireless communication technology, in which multiple transmitters can send signals on the same channel to the same receiver at the same time. Our previous studies have revealed that PLNC can substantially
Optimization of photon pair generation in dual-element PPKTP waveguide1
A compact scheme for high-speed frequency doubling and down-conversion on a single dual-element PPKTP waveguide is investigated. Optimal temperature is achieved and photon pair coincidence is observed at over GHz repetition rate with pulsed pump input
A Comprehensive Evaluation of Joint Range and Angle Estimation in Indoor Ultrawideband Location Systems
Fine time resolution enables Ultra-Wideband (UWB) ranging systems to reliably extract the first multipath arrival corresponding to the range between a transmitter and receiver, even when attenuated in strength compared to later arrivals. Bearing systems
Symmetric Key Injection onto Smart Cards
This paper describes architectures for securely injecting secret keys onto smart cards. Specifically, this paper details key injection architectures based on the identity credentials available on the Personal Identify Verification (PIV) Card. The primary
Symmetric Key Injection onto Smart Cards
Property Verification for Generic Access Control Models
To formally and precisely capture the security properties that access control should adhere to, access control models are usually written to bridge the rather wide gap in abstraction between policies and mechanisms. In this paper, we propose a new general
Property Verification for Generic Access Control Models
A Threat Analysis on UOCAVA Voting Systems
This report contains the results of NIST s research into technologies to improve the voting process for United States citizens living overseas. It splits the overseas voting process into three stages: voter registration and ballot request, blank ballot
Privacy & Authorization Policies - Validation & Assurance Techniques (Two Chapters for a book, Identity and Policy, by FutureText)
A Threat Analysis on UOCAVA Voting Systems
Identity Enabled Privacy Policies
Assurance for Identity Enabled Authorization Policies
Guide to Information Security Testing and Assessment
This bulletin summarizes information disseminated in NIST Special Publication (SP) 800-115, Technical Guide to Information Security Testing and Assessment: Recommendations of the National Institute of Standards and Technology, which was written by Karen
Guide to Information Security Testing and Assessment
Two New Efficient CCA-Secure Online Ciphers : MHCBC and MCBC
Online ciphers are those ciphers whose ciphertexts can be computed in an online manner. HCBC1 and HCBC2 are two known examples of Hash Cipher Block Chaining online ciphers. HCBC1 is secure against chosen plaintext adversary (or called CPA-secure) whereas
Two New Efficient CCA-Secure Online Ciphers : MHCBC and MCBC
Synchronization monitoring of I/Q data and pulse carving misalignment for a parallel-type 20-Gb/s RZ-DQPSK transmitter by measuring RF clock tone/low frequency power
We experimentally demonstrate a technique for monitoring the time misalignment of in-phase/quadrature (I/Q) data streams and pulse carver/data in a 20-Gb/s return-to-zero differential quadrature phase-shift-keying (RZ-DQPSK) transmitter. By measuring the
Determination of Wave Motion Correction Values Required for Comparison Calibrations of a New Working Standard Microphone.
Comparison calibrations of microphones based on the reciprocity method are performed with both the microphone under test and a reference standard microphone inserted into an acoustical coupler. For these calibrations, the wave motion correction W is needed
Overview of the TREC 2007 Question Answering Track
The TREC 2007 question answering (QA) track contained two tasks: the main task consisting of series of factoid, list, and ``Other'' questions organized around a set of targets, and the complex, interactive question answering (ciQA) task. The main task
Low probability of detection underwater acoustic communications using direct-sequence spread-spectrum
Direct-sequence spread-spectrum underwater acoustic communications are analyzed in this paper between communication nodes, at least one of which is moving. At-sea data are analyzed which show that the phase change due to source motion is significant. The
Building Quantum Computers
In theory, quantum computers can be used to efficiently factor numbers, quadratically speed up many search and optimization problems, and enable currently impossible physics simulations. At first, quantum states appeared to be too fragile for implementing
Security Challenges in Seamless Mobility - How to ``Handover'' the Keys?
In this paper, we discuss key management challenges for seamless handovers across heterogeneous wireless networks. We focus on fast access authentication protocols that allow expedited network entry by utilizing existing keying material from previous
A Secure VANET MAC Protocol for DSRC Applications
Vehicular ad hoc networking is an important component of Intelligent Transportation Systems. The main benefit of vehicular ad hoc network (VANET) communication is seen in active safety systems that increase passenger safety by exchanging warning messages
A Novel Topology Control Scheme for Future Wireless Mesh Networks
In this paper, we address the topology control issue for future wireless mesh networks (WMNs) based on the principle of service-oriented design. In particular, we propose a novel topology control scheme that attempts to maximize the overall throughput in
Non-Coherent Amplify-and-Forward Generalized Likelihood Ratio Test Receiver
This paper proposes a simple non-coherent amplify-and-forward receiver for the relay channel and evaluates its diversity performance for Rayleigh fading channels. We use the generalized likelihood ratio test to obtain the decision rule in closed form
Diversity Performance of a Practical Non-Coherent Detect-and-Forward Receiver
We propose a non-coherent receiver for the fixed detect-and-forward relay channel and derive a closed-form tight upper bound on its bit error probability in Rayleigh fading channels. Using this upper bound, we show that the receiver achieves nearly full
Security Challenges in Seamless Mobility: How to "Handover" the Keys?
A Recommendation for the Use of PIV Credentials in Physical Access Control Systems (PACS)
This document provides best practice guidelines for integrating the PIV Card with the physical access control systems (PACS) that authenticate the cardholders in Federal facilities. Specifically, this document recommends a risk-based approach for selecting
Bluetooth Security: Protecting Wireless Networks and Devices
This bulletin summarizes information disseminated in NIST Special Publication (SP) 800-121, Guide to Bluetooth Security: Recommendations of the National Institute of Standards and Technology, which was written by Karen Scarfone of NIST and by John Padgette
A Recommendation for the Use of PIV Credentials in Physical Access Control Systems (PACS)