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Machine Translation Website

Machine Translation Website

This paper demonstrates that, for large-scale tests, the match and non-match similarity scores have no specific underlying distribution function. The forms of these distribution functions require a nonparametric approach for the analysis of the fingerprint

Objective Speech Quality Measures for Internet Telephony

Objective Speech Quality Measures for Internet Telephony

Measuring voice quality for telephony is not a new problem. However, packet-switched, best-effort networks such as the Internet present significant new challenges for the delivery of real-time voice traffic. Unlike the circuit-switched PSTN, Internet

Meander Delay Line Challenge Problem: A Comparison Using FDTD, FEM and MOM Techniques

Meander Delay Line Challenge Problem: A Comparison Using FDTD, FEM and MOM Techniques

Full wave finite-difference time-domain (FDTD) and a simplified 1D- finite-difference time-domain technique using the multi-conductor transmission line equations are applied to a delay line to determine its propagation characteristics. The output volatge

Journal Article

Proposed NIST Standard for Role-Based Access Control

The Policy Machine for Security Policy Management

The Policy Machine for Security Policy Management

Many different access controls policies and models have been developed to suit a variety of goals: these include Role-Based Access Control, One-directional Information Flow, Chinese Wall, Clark-Wilson, N-person Control, and DAC, in addition to more

A Framework for Performance Evaluation and Optimization of an Emerging Multimedia DS-CDMA Network

A Framework for Performance Evaluation and Optimization of an Emerging Multimedia DS-CDMA Network

This paper proposes a framework for performance evaluation md optimization of an emerging multimedia, packet Direct-Sequence Code Division Multiple Access (DS-CDMA) network with a wide range of Quality of Service (QoS) requirements on losses and delays

What to Expect When You Can Not Start at the Beginning

What to Expect When You Can Not Start at the Beginning

This presentation contains background information on the decision to create an Specification and Description Language (SDL) model, a discussion of the development cycle for the product development, a description of the SDL's creation, an explanation on how

Interference of Bluetooth and IEEE 802.11: Simulation Modeling and Performance Evaluation

Interference of Bluetooth and IEEE 802.11: Simulation Modeling and Performance Evaluation

The emergence of several radio technologies such as Bluetooth, and IEEE 802.11 operating in the 2.4 GHz unlicensed ISM frequency band may lead to signal interference and result in significant performance degradation when devices are co-located in the same

Electron Interactions with c-C4F8

Electron Interactions with c-C4F8

CDMA2000 Reverse-Link Simulation Model Design and Evaluation

CDMA2000 Reverse-Link Simulation Model Design and Evaluation

This paper presents the design and implementation of a simulation model for the cdma2000 reverse link. The model includes all the radio configurations and their corresponding data rates in accordance with the IS-2000 specifications. The paper first

ITL Bulletin

A Comparison of the Security Requirements for Cryptographic Modules in FIPS 140-1 and FIPS 140-2

Silicon Carbide PiN and Merged PiN Schottky Power Diode Models Implemented in the Saber Circuit Simulator

Silicon Carbide PiN and Merged PiN Schottky Power Diode Models Implemented in the Saber Circuit Simulator

Dynamic compact electrothermal models are developed for Silicon Carbide Power diodes. Model parameters are extracted and model results are presented for both 1500 V SiC Merged PiN diodes. The models are verified for on-state characteristics? temperature

Characterization of Paralleled Super Junction MOSFET Devices under Hard- and Soft-Switching Conditions

Characterization of Paralleled Super Junction MOSFET Devices under Hard- and Soft-Switching Conditions

The super junction (SJ) MOSFET exhibits conduction and switching properties similar to those of conventional power MOSFETs. In this paper we investigate possible benefits and problems associated with connecting SJ MOSFET in parallel for high-power

Security - Revenue Generator and Mission Enabler

Security - Revenue Generator and Mission Enabler

We need to facilitate a change in user perception of security from a hindrance to an essential revenue generator and mission enabler. The Common Criteria protection profile (PP) and security target (ST) constructs can be used to help achieve this need. Yet

Engineering Principles for Information Technology Security (A Baseline for Achieving Security)

Engineering Principles for Information Technology Security (A Baseline for Achieving Security)

[Superseded by SP 800-27 Revision A (June 2004): http://www.nist.gov/manuscript-publication-search.cfm?pub_id=151294 ] The Engineering Principles for Information Technology (IT) Security (EP-ITS) presents a list of system-level security principles to be

SP 800-27

Engineering Principles for Information Technology Security (A Baseline for Achieving Security)

High Temperature Characteristics of 5kV, 20 A 4H-SiC PiN Rectifiers

High Temperature Characteristics of 5kV, 20 A 4H-SiC PiN Rectifiers

This paper reports in detail, the design, a manufactuable fabrication process, and high temperature characteristics of a 4H-SiC rectifier with a 5 kV, 20 A rating. A highly doped p-type epitaxial Anode layer and junction termination extension (JTE) were

A Framework for Managing Faults and Attacks in All-Optical Transport Networks

A Framework for Managing Faults and Attacks in All-Optical Transport Networks

ult and attack survivability in all-optical transport networks (AOTNs) require new approaches because of unique transmission characteristics. Specifically, fiber non-linearities and network transparency to transmitted signal types may make the network

Engineering Principles for Information Technology Security

Engineering Principles for Information Technology Security

In June 2001, ITL released NIST Special Publication (SP) 800-27, Engineering Principles for Information Technology Security (EP-ITS), by Gary Stoneburner, Clark Hayden, and Alexis Feringa. Engineering Principles for Information Technology (IT) Security (EP

A Comparison of the Security Requirements for Cryptographic Modules in FIPS 140-1 and FIPS 140-2

A Comparison of the Security Requirements for Cryptographic Modules in FIPS 140-1 and FIPS 140-2

Federal agencies, industry, and the public now rely on cryptography to protect information and communications used in critical infrastructures, electronic commerce, and other application areas. Cryptographic modules are implemented in these products and

SP 800-29

A Comparison of the Security Requirements for Cryptographic Modules in FIPS 140-1 and FIPS 140-2

Journal Article

Report on the Development of the Advanced Encryption Standard (AES)

ITL Bulletin

Engineering Principles for Information Technology Security

Security Requirements for Cryptographic Modules [includes Change Notices as of 12/3/2002]

Security Requirements for Cryptographic Modules [includes Change Notices as of 12/3/2002]

This Federal Information Processing Standard (140-2) specifies the security requirements that will be satisfied by a cryptographic module, providing four increasing, qualitative levels intended to cover a wide range of potential applications and

FIPS 140-2

Security Requirements for Cryptographic Modules

A Statistical Test Suite for Random and Pseudorandom Number Generators for Cryptographic Applications

A Statistical Test Suite for Random and Pseudorandom Number Generators for Cryptographic Applications

[Superseded by SP 800-22 Revision 1a (April 2010): http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906762 ] This paper discusses some aspects of selecting and testing random and pseudorandom number generators. The outputs of such generators may

SP 800-22

A Statistical Test Suite for Random and Pseudorandom Number Generators for Cryptographic Applications