PAUL C. CLARK
`4705 Broad Brook Drive, Bethesda, Maryland, 20814
`703.628.9500
`paul@securemethods.com
`
`SKILLS SUMMARY
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`EMPLOYMENT
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`July 1999 – Present
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`Jan. 1995 – July 1999
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`A senior executive with extensive IT design, development and deployment
`experience, Dr. Clark has twenty five years of direct technical and management
`experience in the computer and systems engineering environment. He is the
`President of Paul C. Clark LLC. His specialties include complex commercial
`development and deployment of scalable secure network and data processing
`systems. He has served as keynote speaker, expert witness for high profile
`commercial clients and before Congress. He has served on federal advisory
`committees and as an adjunct professor at The George Washington University.
`
`President and CTO
`SecureMethods Inc. / Paul C. Clark LLC
`Bethesda, MD
`• Serves as Managing Director
`• Manages operations and sales staff.
`• Manages commercial product development staff.
`Provides product design, development and deployment guidance.
`Provides sales engineering support and collected customer feedback.
`•
`• Defines and communicates strategic technical vision.
`• Successfully directed the development and deployment of commercial
`products on multiple Windows and Unix Platforms
`Chief Scientist
`DynCorp Network Solutions
`Fairfax, VA
`• Managed technical staff and deliverables for multiple large projects.
`Provided project design, development and troubleshooting guidance.
`Provided customer technical interface and problem resolution.
`•
`• Designed and deployed next generation architecture for high volume
`network database and storage systems.
`• Created a suite of secure products marketed and sold to DoD and the
`Federal Government.
`Provided corporate-wide technical consultation and support.
`•
`Senior Security Engineer
`Sept. 1990 – Jan. 1995
`Trusted Information Systems
`Glenwood, Maryland
`Participated in the design and implementation of the reference
`implementation of Privacy Enhanced Mail (PEM) with public and secret key
`encryption to provide security services for electronic transmissions.
`• Designed NIST's Smartcard API (SCAPI). Implemented the SCAPI for the
`NIST 250 and utilized it to perform cryptographic operations for PEM.
`Implemented X.500 Certification and Distinguished Naming support for PEM.
`Functions supported included: CA and user registration, revocation, and
`high speed database for certificate storage and retrieval.
`• Systems design and programming, including the TCB, for the Trusted Xenix
`and Trusted Mach MLS operating systems. Tasks included MAC labeling and
`audit strategies, as well as application development.
`• Designed and implemented multilevel electronic mail and HTTP proxy for
`Trusted Mach. Task included cryptographic support for the TCB as well as
`application specific validation and semantic checking for up/downgrade.
`Inventor of the Boot Integrity Token System (BITS), which provides
`hardware, enforced authentication within the boot sequence and guarantees
`operating system integrity using smart tokens. U.S. Patent Nos. 5,448,045;
`5,892,902 and 8,695,066
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`HARDWARE
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`SOFTWARE
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`EDUCATION
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`Nov 1989 – Sept 1990
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`Technical Lead
`GTE Government Systems
`Rockville, MD
`• Managed the SAFE91 testbed effort with responsibilities including: budgets,
`schedules, customer negotiations, briefings, training, and tasking of
`technical staff. The testbed was created to simulate the client environment
`for the purpose of evaluating software packages and platforms for use by
`the client.
`• Developed network load simulations for OS/2 LAN Manager to determine
`performance characteristics during periods of heavy traffic. This task
`included the design and development of a multi-threaded connection server
`under OS/2 version 1.0
`• Designed and implemented an X Windows interface for the Minstrel
`System. This included the individual development of 20,000 lines of code
`in less than two months.
`• Developed and taught DEC Windows and X Windows classes for GTE
`technical personnel. Responsible for instruction and problem solving
`throughout the subsequent development cycle.
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`May 1985 – Nov. 1989
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`Systems Engineer
`Ultrasystems Defense and Space
`• Redesigned the Morse Mission Trainer while coordinating and tasking a
`team of programmers. During this time, received the President's quarterly
`award for outstanding performance. Task included systems and network
`and kernel level programming on SCO Xenix.
`• Designed and implemented a database file server, benchmarked at over
`100 retrievals per second on a million entry database. System
`implemented B* trees in C and ran on a Sun 3/260 workstation.
`• Designed and implemented a satellite mission scheduler for multiple
`vehicles with multiple resources. Task included defining areas of interest
`(AOIs), flight paths, and optimal time allocation of resources.
`• Designed and implemented the Ultraplot graphics tool to produce line and
`scatter plots, as well as bar graphs and histograms from large datafiles.
`This utility was implemented utilizing the DI3000 (device independent)
`graphics package.
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`Mainframe, Workstation, PC, including: IBM, DEC, Sun, HP, SGI, Intel
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`UNIX (Linux, System V, BSD, Solaris, AIX, IRIX, Xenix), MS DOS/Windows,
`VMS, OS/2, X Windows, DEC Windows, Presentation Manger, TCP/IP, X25,
`Xenix Net, IBM LAN, DEC Net, Ethernet, Token Ring
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`DSc. in Computer Science
`Concentration in Security, Graphics, Intellectual Property Law
`The George Washington University, 1994
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`M.S. in Electrical Engineering and Computer Science
`University of Southern California, 1988
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`B.S. in Mathematics
`University of California Irvine, 1986
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`Graduate level study in all major areas of computer science
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`REPRESENTATIVE
`PUBLICATIONS
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`
`ADDITIONAL
`INFORMATION
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`LEGAL CASES
`
`“BITS – A Smartcard Protected Operating System,” with Lance Hoffman,
`Communications of the ACM, November 1994.
`“Service Layering Promotes Secure Data Exchange in Diverse Environments,”
`Computer News, October 23, 1995
`“Threats Posed to Cryptographic Applications by Random Numbers,” presented
`to the RSA Data Security Conference, January 1996.
`“A Reference Model for Electronic Commerce,” with Daniel J. Blum and John
`Jauregui, Messaging Magazine, December 1996, Volume 2, Number 7.
`“Secure Compartmented Data Access over an Untrusted Network Using a
`COTS-based Architecture,” with Marion C. Meissner, and Karen O. Vance,
`Presented to the Annual Computer Security Applications Conference
`(ACSAC'00), New Orleans, December, 2000. Later published in “Statistical
`Methods in Computer Security,” Marcel Dekker, ISBN 0-8247-5939-7, edited
`by William W. S. Chen, 2005
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`(1) Dr. Clark was a member of the Federal Advisory Committee for Key
`Management Infrastructure (KMI); he was Chairman of the Interoperability
`Working Group for Cryptographic Key Recovery.
`(2) Dr. Clark served as a Cooperative Research and Development Agreements
`(CRADA) partner, which is a joint effort between the National Institute of
`Standards and Technology (NIST) and several companies formed to begin
`development of the elements of a Public Key Infrastructure (PKI). A core
`element of this effort is the development of a Minimum Interoperability
`Specification for PKI components MISPC.
`(3) Dr. Clark serves as an adjunct professor in the Electrical Engineering and
`Computer Science Department at The George Washington University. He
`teaches doctoral level cryptography and computer security courses.
`(4) Speaker at The Federal Information Security Conference; presented
`“Embedded Security Deployment,” Colorado Springs, CO, March 31, 2006
`(5) Keynote Speaker for the Washington DC Bar Association; presented
`“Security for the Networked Computing Environment,” August 8, 2005
`(6) Appeared before Congressional committee to provide expert testimony;
`presented “Advanced Technology for Border Control,” July 23, 1998.
`(7) Keynote speaker at Mass Storage Conference; presented “Secure Data
`Access Over Public Networks,” New Orleans, LA, October, 1996
`(8) Keynote speaker at health care convention, presented “Security for Health
`Care Records,” Nashville, TN, May, 1997.
`(9) Keynote speaker at the USDA Plant and Genome Conference; presented "A
`Secure Architecture for Data and Systems," Nimes, France, October, 1997
`(10) Speaker at IEEE Technical Meeting; presented “A Comprehensive Security
`Architecture,” Virginia, June, 1996.
`Testifying expert for Google et al – ContentGuard v Google – Verdict for Google
`Testifying expert for TransPerfect v MotionPoint – Verdict for Transperfect
`Testifying expert for Cisco – VirNetX v Cisco – Verdict for Cisco
`Testifying expert for CME – RealTime v CME – Summary judgment for CME
`Testifying expert for IBM et al – Tecsec v IBM – Summary judgment for IBM
`Testifying expert for Netflix et al – Parallel Networks v Netflix – Case dismissed
`Testifying expert for Oracle - EpicRealm v Oracle – Summary judgment for
`Oracle
`Testifying expert for Lucent - Microsoft v Lucent –Verdict for Lucent
`Testifying expert for Oracle - Mangosoft v Oracle – Summary judgment for
`Oracle
`Testifying expert for RSA Data Security – Digital Privacy v RSA – Summary
`judgment for RSA at the Markman
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`IPR2021-00908 Honeywell Exh. 1011 - Page 3 of 3
`(Honeywell International, Inc., et al. v. 3G Licensing S.A.)
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