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Search Publications by: D. Richard Kuhn (Assoc)

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Displaying 301 - 325 of 374

Securing Voice Over IP Networks

May 27, 2005
Author(s)
T J. Walsh, D. Richard Kuhn
Voice over IP - the transmission of voice over traditional packet-switched IP networks - is one of the hottest trends in telecommunications. As with any new technology, VOIP introduces both opportunities and problems. Lower cost and greater flexibility are

Characterizing the Risks and Costs of BGP Insecurity/Security

March 1, 2005
Author(s)
Douglas Montgomery, Kotikalapudi Sriram, Oliver Borchert, Okhee Kim, D. Richard Kuhn
We examine the performance of multimodal biometric authentication systems using state-of-the-art Commercial Off-the-Shelf (COTS) fingerprint and face biometric systems on a population approaching 1,000 individuals. Majority of prior studies of multimodal

Security Considerations for Voice Over IP Systems

January 1, 2005
Author(s)
David R. Kuhn, Thomas J. Walsh, S G. Fries
Voice over Internet Protocol (VOIP) refers to the transmission of speech across data-style networks. This form of transmission is conceptually superior to conventional circuit switched communication in many ways. However, a plethora of security issues are

Attack vs. Countermeasure Effectiveness (ACE): Modeling Tool for BGP

November 1, 2004
Author(s)
Kotikalapudi Sriram, Douglas Montgomery, D. Richard Kuhn
We examine the performance of multimodal biometric authentication systems using state-of-the-art Commercial Off-the-Shelf (COTS) fingerprint and face biometric systems on a population approaching 1,000 individuals. Majority of prior studies of multimodal

Incorporating Subjective Risk Vales in BGP Attack Trees

November 1, 2004
Author(s)
D. Richard Kuhn, Kotikalapudi Sriram, Douglas Montgomery
We examine the performance of multimodal biometric authentication systems using state-of-the-art Commercial Off-the-Shelf (COTS) fingerprint and face biometric systems on a population approaching 1,000 individuals. Majority of prior studies of multimodal

Securing Voice Over Internet Protocol (IP) Networks

October 1, 2004
Author(s)
Thomas J. Walsh, David R. Kuhn
Voice over IP - the transmission of voice over traditional packet-switched IP networks - is one of the hottest trends in telecommunications. As with any new technology, VOIP introduces both opportunities and problems. Lower cost and greater flexibility are

Software Fault Complexity and Implications for Software Testing

June 16, 2004
Author(s)
D. Richard Kuhn, D Wallace, A M. Gallo
Exhaustive testing of computer software is intractable, but empirical studies of software failures suggest that testing can in some cases be effectively exhaustive. Data reported in this study and others show that software failures in a variety of domains

Vulnerabilities in Quantum Key Distribution Protocols

May 1, 2003
Author(s)
David R. Kuhn
Recently proposed quantum key distribution protocols are shown to be vulnerable to a classic man-in-the-middle attack using entangled pairs created by Eve. The attack could be applied to any protocol that relies on manipulation and return of entangled

Cost Effective Use of Formal Methods in Verification and Validation Foundations

October 1, 2002
Author(s)
D. Richard Kuhn, Ramaswamy Chandramouli, R W. Butler
Formal methods offer the promise of significant improvements in verification and validation, and may be the only approach capable of demonstrating the absence of undesirable system behavior. But it is widely recognized that these methods are expensive, and

Cost Effective Uses of Formal Methods in Verification and Validation

October 1, 2002
Author(s)
D. Richard Kuhn, Ramaswamy Chandramouli
Formal methods offer the promise of significant improvements in verification and validation, and may be the only approach capable of demonstrating the absence of undesirable system behavior. But it is widely recognized that these methods are expensive, and

Quantum Computing and Communication

June 28, 2002
Author(s)
Paul E. Black, David R. Kuhn, Carl J. Williams
A quantum computer, if built, will be to an ordinary computer as a hydrogen bomb is to gunpowder, at least for some types of computations. Today no quantum computer exists, beyond laboratory prototypes capable of solving only tiny problems, and many
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