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• A. AlSa'deh, F. Cheng, S. Roschke, Ch. Meinel
  IPv4/IPv6 Handoff on Lock-Keeper for High Flexibility and Security
  Proc. NTMS 2011, IEEE Press, Paris (France), 2011, pp. 1-6.
• F. Cheng, T.-D. Tran, S. Roschke, Ch. Meinel
  A Specialized Tool for Simulating Lock-Keeper Data Transfer
  Proc. AINA 2010, IEEE Press, Perth (Australia), 2010, pp. 182-189.
• S. Roschke, F., Cheng, Ch., Meinel
  An Advanced IDS Management Architecture
  In: Journal of Information Assurance and Security, 5(1), 2010, pp. 246-255.
• S. Roschke, F., Cheng, Ch., Meinel
  Intrusion Detection in the Cloud
  Proc. SCC 2009, IEEE Press, Chengdu (China), 2009, pp. 729-734.
• F. Cheng, S. Roschke, R. Schuppenies, Ch. Meinel 
  Remodeling Vulnerability Information
  Proc. INSCRYPT 2009, Springer LNCS, Beijing (China), 2009, (to appear).
• S. Roschke, F. Cheng, T.-D. Tran, Ch. Meinel
  A Theoretical Model of Lock-Keeper Data Exchange and its Practical Verification
  Proc. NPC 2009, IEEE Press, Gold Coast (Australia), 2009, pp. 190-196.
• S. Roschke, F. Cheng, R. Schuppenies, Ch. Meinel
  Towards Unifying Vulnerability Information for Attack Graph Construction
  Proc. ISC 2009, Springer LNCS 5735, Pisa, Italy, 2009, pp. 218-233.
• S. Roschke, F. Cheng, Ch. Meinel
  An Extensible and Virtualization-Compatible IDS Management Architecture
  Proc. 5th IAS, IEEE Press, Xi'an(China), August 2009, pp. 130-134.
• F. Cheng, S. Roschke, Ch. Meinel
  Implementing IDS Management on Lock-Keeper
  Proc. 4th ISPEC, Springer LNCS 5451, Xi'an (China), 2009, pp. 360-371.
• F. Cheng, Ch. Meinel
  Design of Lock-Keeper Federated Authentication Gateway
  Proc. 11th ICACT, IEEE Press, Phoenix Park (Korea), 2009, pp. 1041-1046.
• Ch. Meinel
  Physikalische Trennung als Ultima Ratio im Hochsicherheitsbereich
  GI Informatik-Spektrum, 30(3), June 2007, Springer Verlag, pp. 170-174.
• F. Cheng, Ch. Meinel
  Lock-Keeper: A New Implementation of Physical Separation Technology
  Proc. ISSE 2006, Rome (Italy), 2006, pp. 275-286.
• F. Cheng, Ch. Meinel
  Research on the Lock-Keeper Technology: Architectures, Advancements and Applications
  International Journal of Computer and Information Science(IJCIS), 5(3), 2004, pp. 236-245.
• F. Cheng, Ch. Meinel, et. al.
  A Complete Solution for Highly Secure Data Exchange: Lock-Keeper and its Advancements
  Proc. IEEE PDCAT 2003, Chengdu (China), 2003, pp. 201-205.
• [more]

• Feng Cheng
  Introduction to Lock-Keeper, tele-task, Jul. 2009
• Feng Cheng
Lock-Keeper - A High Security Solution based on Physical Separation, Jan. 2008
• Feng Cheng
  Demonstrations on Lock-Keeper Application Modules, Jan. 2008
• Prof. Dr. Christoph Meinel
  Lock-Keeper - A New High-Level Security Architecture for Data Exchange Between Physically Separated Networks, invited talk in ETH, Switzerland, Jan. 2007.
• Prof. Dr. Christoph Meinel
  Lock-Keeper: More Security is Impossible, tele-task, Dec. 2005
• Prof. Dr. Christoph Meinel
  Lock-Keeper: Mehr Sicherheit geht nicht, tele-task, Dec. 2005 (in German)
• Feng Cheng
  A Complete Solution for Highly Secure Data Exchange: Lock-Keeper and its Advancements, on the Conference PDCAT2003, Aug. 2003
• Jochen Bern
  The Lock-Keeper^TM Architecture, on the Conference RSA2003, Apr. 2003

• 03-05 F. Cheng / P. Ferring / Ch. Meinel
  Lock-Keeper Technology - A New Network Security Solution
• 01-03 E.-G. Haffner / T. Engel / Ch. Meinel
  Schleusentechnologie "Lock-Keeper" und ihre Integration in moderne Sicherheitsarchitekturen (in German)
• 00-14 E.-G. Haffner / T. Engel / Ch. Meinel
  Integration der Schleusen-technologie Lock-Keeper in moderne Sicherheitsarchitekturen(in German)
• 00-03 E.-G. Haffner / T. Engel / Ch. Meinel
  Techniques for Securing Networks against Criminal Attacks
• 00-02 E.-G. Haffner / T. Engel / Ch. Meinel
  Die Lock-Keeper Architektur. Sicherer Schutz gegen Online-Attacken aus dem Internet(in German)
• 98-15 E.-G. Haffner / T. Engel / Ch. Meinel
  Flood-Gates statt Firewall - eine High Security Lösung zum sicheren Datenaustausch zwischen Internet und Intranet(in German)

• Lock-Keeper won the 2007 German "IT Security Award" (in the "Kategorie Web/Internet Security").
• Lock-Keeper got the Inventor's prize from the Investitions- und Strukturbank Rheinland-Pfalz (ISB) in 2002.

In recent years, the Lock-Keeper technology has gotten the right of patent, under the name of Data Connection Between Two Processors and Process to Transmit Data Between Two Processors, from several contries or districts.

• Hong Kong, of China, Nr. 01104595.0, from 04.07.2001
• European Union, Nr. 01 106 701.4, from 16.03.2001
• USA, Nr. PCT/EP99/05550, from 14.02.2001
• China, Nr. 99809961.9, from 31.07.1999
• Korea, Nr. 2.341.180, from 31.07.1999
• Canada, Nr. PCT/EP99/05550, from 31.07.1999
• Russia, Nr. PCT/EP99/05550, from 31.07.1999

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