Άρθρα - Μελέτες | ΕΠΙΣΤΗΜΟΝΙΚΑ ΑΡΘΡΑ ΣΧΕΤΙΚΑ ΜΕ ΤΗΝ ΚΡΥΠΤΟΓΡΑΦΙΑ, ΤΗΝ ΑΣΦΑΛΕΙΑ ΠΛΗΡΟΦΟΡΙΩΝ & ΜΕ ΚΑΙΝΟΤΟΜΕΣ ΤΕΧΝΟΛΟΓΙΕΣ

55. Bogdan MARIA, Mariana BUGA, Rares MEDIANU, Costin CEPISCA, Nikolaos BARDIS, OBTAINING A MODEL OF PHOTOVOLTAIC CELL WITH OPTIMIZED QUANTUM EFFICIENCY, Scientific Bulletin of the Electrical Engineering Faculty, ISSN 1843-6188, 2011 No. 2 (16)

54. Bardis, N.G.; Doukas, N.; Markovskyi, O.P., Data Transmission Errors Detection in Amplitude-Phase Modulated Channels using the Residue Number System, COMPUTERS and SIMULATION in MODERN SCIENCE Volume III, Published by WSEAS Press, ISBN: 978-960-474-256-1, pp.33-46, 2010.

53. Nikolaos Bardis, Nikolaos Doukas, Oleksandr P. Markovskyi, Fast subscriber identification based on the zero knowledge principle for multimedia content distribution, International Journal of Multimedia Intelligence and Security, Volume 1, Number 4, pp. 363 – 377, 2010

52. Bardis, N.G.; Doukas, N.; Markovskyi, O.P.; Organization of the polymorphic implementation of Rijndael on microcontrollers and smart cards, MILITARY COMMUNICATIONS CONFERENCE, MILCOM 2010, San Jose, CA, ISSN: 2155-7578, pp. 1783 – 1787, 2010.

51. N.G.Bardis, A.Drigas, A.P. Markovskyy and I.Vrettaros, Accelerated Modular Multiplication Algorithm of Large Word Length Numbers with a Fixed Module, Communications in Computer and Information Science 111, Knowledge Management, Information Systems, E-Learning, and Sustainability Research, Third World Summit on the Knowledge Society, WSKS 2010 Corfu, Greece, September 2010 Proceedings, Part I, Springer – Verlag Berlin Heidelberg, pp 573-581, 2010, DOI: 10.1007/978-3-642-16324-1_58

50. N.G.Bardis, A.Drigas, A.P. Markovskyy and I.Vrettaros, Check Sum Optimization for Transmission and Storage of Digital Information, Communications in Computer and Information Science 111, Knowledge Management, Information Systems, E-Learning, and Sustainability Research, Third World Summit on the Knowledge Society, WSKS 2010 Corfu, Greece, September 2010 Proceedings, Part I, Springer – Verlag Berlin Heidelberg, pp 582-590, 2010, DOI: 10.1007/978-3-642-16318-0_73

49. Bardis, N.G.; Doukas, N.; Markovskyi, O.P.; Drigas, A.;Two level efficient user authentication scheme, 4th IEEE International Conference on Digital Ecosystems and Technologies (DEST), Dubai, ISSN: 2150-4938, pp 470 - 474, 2010

48. Nikolaos Doukas, Athanasios Drigas and Nikolaos G. Bardis, Design of an Interactive Game for Teaching War Ethics, Technology Enhanced Learning. Quality of Teaching and Educational Reform Communications in Computer and Information Science, Springer – Verlag Berlin Heidelberg, Volume 73, 2010, 558-564, DOI: 10.1007/978-3-642-13166-0_78

47. Nikolaos G. Bardis, Oleksandr P. Markovskyi, Costin Cepisca, and Katerina Argiri, Burst error control based on weighted checksum, Proceeding ICCOM'10 Proceedings of the 14th WSEAS international conference on Communications, World Scientific and Engineering Academy and Society (WSEAS) Stevens Point, Wisconsin, USA ©2010, ISBN: 978-960-474-200-4

46. Bardis N., Drigas A., Doukas N., & Karadimas N.,  'Optimised Information System Reliability Techniques for Knowledge Society Acceptance', Int. J. Knowledge and Learning, vol. 5, no. 3/4, pp. 207-221, 2009.

45. Nikolaos G. Bardis, Athanasios Drigas and Oleksandr P. Markovskyi, "PERFORMANCE INCREASE OF ERROR CONTROL OPERATION ON DATA TRANSMISSION", 3rd International Conference on New Technologies, Mobility and Security, IEEE, IEEE COMMUNICATIONS SOCIETY, Egypt - Cairo, 20-23 December 2009.

44. Costin Cepisca, Nikolaos Bardis, Nikolay Mihalkov, Conditioning circuits for parametric transducers, Proceedings of 5th International Conference on Metrology and Measurement Systems, METSIM 2009, Faculty of Elecrtical Engineering, Politechnica University of Bucharest, Romania, ISBN 978-606-8082-22-6, pp. 83-86, Nevember 5-6, 2009.

43. Bardis N. G, Doukas, N., Markovskyi O.P, Transmission Error Correction Based on the Weighted Checksum, Proceedings of the APPLIED COMPUTING CONFERENCE 2009 (ACC '09), MATHEMATICAL METHODS AND APPLIED COMPUTING Volume II, Vouliagmeni, Athens, Greece, pp.758-763, September 28-30, 2009.

42. Iosif Androulidakis, Vasilios Christou, Nikolaos G. Bardis, Ioannis Stilios, "Surveying users' practices regarding mobile phones' security features", Electrical And Computer Engineering Series, Proceedings of the 3rd international conference on European computing conference table of contents, Tbilisi, Georgia, Pages: 25-30, Year of Publication: 2009, ISBN ~ ISSN:1790-5117 , 978-960-474-088-8, [Online], Available: http://portal.acm.org/citation.cfm?id=1627964

41. N. G. Bardis, A. P. Markovskyi,N. Doukas, N. V. Karadimas, " True random number generation based on environmental noise measurements for military applications", Mathematics And Computers In Science And Engineering archive Proceedings of the 8th WSEAS international conference on Signal processing, robotics and automation, Cambridge, UK, Pages 68-73, 2009, ISBN ~ ISSN:1790-5117 , 978-960-474-054-3, [Online], Available: http://portal.acm.org/citation.cfm?id=1558930

40. Costin CEPIŞCĂ, Sorin Dan GRIGORESCU, Stergios GANATSIOS, Nikolaos G. BARDIS, “PASSIVE AND ACTIVE COMPENSATIONS FOR CURRENT TRANSFORMERS”, METROLOGIE 4/2008 (p. 5-10)

39. Nikolaos G. Bardis, Nikolaos Doukas, Konstantinos Ntaikos, “ Design and Development of a Secure Military Communication based on AES Prototype Crypto Algorithm and Advanced Key Management Scheme”, WSEAS TRANSACTIONS on INFORMATION SCIENCE & APPLICATIONS, Issue 10, Volume 5, October 2008, pages 1501-1510, ISSN: 1790-0832.

38.Nikolaos Bardis, Nikolaos Doukas, Konstantinos Ntaikos, “A new approach of secret key management lifecycle for military applications”, WSEAS Transactions on Computer Research, Volume 3 , Issue 5 (November 2008), Pages 294-304, ISSN:1991-8755, [Online], Available: http://portal.acm.org/citation.cfm?id=1481940

37. Bardis Nikolaos, “Coding of checksum components for increasing the control reliability of data transmission for military applications", WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 7, Volume 11, ISSN 1109-2742, November 2008, pp. 1122-1131, [Online]. Available: http://portal.acm.org/citation.cfm?id=1481917.

36.Doukas Nikolaos, Bardis Nikolaos, “Effectiveness data transmission error detection using check sum control for military application”, A Series Of Reference Books And Textbooks archive Proceedings of the 10th WSEAS international conference on Mathematical methods, computational techniques and intelligent systems, Corfu, Greece, ISBN ~ ISSN:1790-2769 , 978-960-474-012-3, 2008, pp 498-502, [Online]. Available: http://portal.acm.org/citation.cfm?id=1562421&dl=GUIDE&coll=GUIDE

35.Costas Nastoulis, Apostolos Leros, Nikolaos Bardis, ”Banknote Recognition Based on Probabilistic Neural Network Models”, WSEAS TRANSACTIONS on SYSTEMS, Issue 10, Volume 5, ISSN 1109-2777, pp: 2363 – 2366 October 2006. [Full paper, English].

34. Nikolaos V. Karadimas, George Rigopoulos, Nikolaos Bardis, “Coupling Multiagent Simulation and GIS – an Application in Waste Management”,WSEAS TRANSACTIONS on SYSTEMS, Issue 10, Volume 5, ISSN 1109-2777, pp: 2367 – 2371 October 2006. [Full paper, English].

33. James R. Johnson, Kelley Stone and Alex Polymenopoulos " An Information Sharing Model for Homeland Security", 9th WSEAS International Conference on COMPUTERS, Athens Greece, July 14-16, 2005. [Full paper, Englsh].

32. Βardis N.G, Bardis E.G., Markovskyy A.P., C.Economou, “Hardware Implementation of Data Transmission Control based on Boolean Transformation”, WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 7, Volume 4, ISSN 1109-2742, pp: 363 – 371, July 2005. [Full paper, English].

31. James (Bob) Johnson, Alex Polymenopoulos, "Models Assessing Terrorist Activities", 8th WSEAS CSCC (CSCC 2004), Vouliagmeni (Suburb of Athens), Greece, 2004. [Full paper, English].

30. James R. Johnson, Kelley Stone, Alex Polymenopoulos, "Preparing for Bioterrorism Through Widespread Information Sharing and Complex Modeling", WSEAS TRANSACTIONS on INFORMATION SCIENCE and APPLICATIONS, Issue 2, Volume 1, ISSN 1790-0832, pp: 733 - 746, August 2004.[Full paper, English].

29. Bardis N.G, Markovskyy A.P, "Utilization of Avalanche Transformation for Increasing of Echoplex and Checksum Data Transmission Control Reliability", ISITA 2004 - INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY AND ITS APPLICATIONS, IEEE / SITA, Parma, Italy, October 10-13, ISBN: 4-902087-08-1, 2004.[Full paper, English].

28. Leros A., "Error Detection Control System based on CheckSum using Orthogonal Systems of SAC functions", WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 2, Volume 3, ISSN 1109-2742, pp: 789- 793, April 2004.[Full paper, English].

27. Bardis E.G., Leros A., Andrikou D.V., "Increasing the hash-memory effectiveness by using reconfigurable Boolean hash functions generators", WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 2, Volume 3, ISSN 1109-2742, pp: 764- 769, April 2004.[Full paper, English].

26. Βardis N.G , "Echoplex Error Control System using Avalanche Transformations", WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 2, Volume 3, ISSN 1109-2742, pp: 741 - 745, April 2004.[Full paper, English].

25. Βardis N.G , "Combinatorial method for Boolean SAC functions designing", WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 2, Volume 3, ISSN 1109-2742, pp: 746 - 752, April 2004.[Full paper, English].

24. Βardis N.G , "Method of designing a controlled by code generator of Balanced Boolean functions which satisfy the SAC", WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 2, Volume 3, ISSN 1109-2742, pp: 753 - 757, April 2004.[Full paper, English].

23. Βardis N.G, Markovskyy A.P., Andrikou D.V., "Method for Design of pseudorandom binary sequences generators on nonlinear feedback shift register (NFSR)", WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 2, Volume 3, ISSN 1109-2742, pp: 758 - 763, April 2004.[Full paper, English].

22. Βardis N.G, Markovskyy A.P., Mitrouli M, Polymenopoulos A. , "Methods for design of balanced Boolean functions satisfying strict avalanche criterion (SAC)", WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 2, Volume 3, ISSN 1109-2742, pp: 770 - 776, April 2004.[Full paper, English].

21. Βardis N.G, Mitrouli M, Maris Th.I., Orlova M.N., "Some properties of Boolean functions and design of cryptographically strong balanced Boolean functions", WSEAS TRANSACTIONS on INFORMATION SCIENCE and APPLICATIONS, Issue 2, Volume 1, ISSN 1790-0832, pp: 717 - 723, August 2004.[Full paper, English].

20. Bardis N.G, Polymenopoulos A., Markovskyy A.P, M.Mitrouli,"Methods for Design of Balanced Boolean Functions Satisfying Strict Avalanche Criterion SAC", International Journal Computer Science 12(1), 2003. [Full paper, English].

19. Bardis N.G, Polymenopoulos A., Bardis E.G, Markovskyy A.P,"Methods for Increasing the Efficiency of the Remote User Authentication in Integrated Systems", International Journal Computer Science 12(1), 2003. [Abstract, English, Greek] [Full paper, English].

18.Mitrouli M., Markovskyy A.P, "Method for Design of Balanced Boolean Functions Satisfying Strict Avalanche Criterion SAC", WSEAS RECENT ADVANCES IN COMMUNICATIONS AND COMPUTER SCIENCE, ISSN 960-8052-86-6, 2003, pp: 148- 154. [Abstract, English, Greek] [Full paper, English] [Presentation presentation pdf].

17. Bardis N.G., Leros A.P., Bardis E.G., Karadimas N., "Methods and Tools for Improving Efficiency of Symmetric Cryptographic Algorithms", WSEAS RECENT ADVANCES IN COMMUNICATIONS AND COMPUTER SCIENCE, ISSN 960-8052-86-6, 2003, pp: 155- 161. [Abstract, English, Greek] [Full paper, English] [presentation pdf].

16. N.G.Bardis, M.Mitrouli, A.P.Markovskyy, "Some properties of Boolean functions and design of Cryptographically strong balanced Boolean functions" , International Conference on RECENT ADVANCES IN STATISTICAL DESIGNS AND RELATED COMBINATORICS, University of Athens
July 7-9, 2003, Athens [Abstract, English, Greek]

15.N.G.Bardis, A.Polymenopoulos, E.G.Bardis, A.P.Markovskyy, D.V.Andrikou, "An approach to determine the complexity of random and pseudo random binary sequences", WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 1, Volume 1, ISSN 1109-2742, 2002, pp: 37 - 42.[Abstract, English, Greek] [Full paper, English]

14. Bardis N.G., Polymenopoulos A., Leros A.P., Karadimas N., Mastorakis N.E., "Topological methods for hash algorithms efficiency increase", WSEAS TRANSACTIONS on COMMUNICATIONS, Issue 1, Volume 1, ISSN 1109-2742, 2002, pp: 13 - 18.[Abstract, English, Greek] [Full paper, English]

13. Bardis N.G., Polymenopoulos A., Bardis E.G., Markovskyy A.P., Mastorakis N.E. , "Hash Algorithms: a design for parallel calculations", WSEAS TRANSACTIONS on SYSTEMS, Issue 1, Volume 1, ISSN: 1109-2777, 2002, pp. 48 - 56.[Abstract, English, Greek] [Full paper, English]

12.Polymenopoulos A., Bardis N.G, Bardis E.G., Markovskaja N.A., "Design and Implementation of Boolean Balanced Functions Satisfying Strict Avalanche Criterion (SAC)", WSEAS Press - Problem in Applied Mathematics and Computational Intelligence, ISBN: 960-8052-30-0, 2001, pp. 12-16.[Abstract, English, Greek] Full paper, English]

11. Polymenopoulos A., Bardis E.G., Bardis N.G., Markovskaja N.A., "Perfect Hashing Using Linear Boolean Functions", WSEAS Press - Problem in Applied Mathematics and Computational Intelligence, ISBN: 960-8052-30-0, 2001, pp. 5-11. [Abstract, English, Greek] [Full paper, English]

10. Bardis N., Markovskyy A., El Xamy Igiad, Redko S., "Method and Structure for Forming and Calculate Systems of Orthogonal Balance Boolean Functions", Bulletin of National Technical University of Ukraine (KPI), ISSN 0201-744X,ISSN 0135-1729,UDK 681.322, No.32, 1999, pp. 90-98.[Abstract, English, Greek]

9. Bardis E., Bardis N., Simonenko A., "The Algorithm for Dynamic Distributing of Processes in Real Time Distributed Computer Systems". Submitting as a special issue of IMACS/IEEE, CSCC'99 International MultiConference, "Recent Advances in Signal Processing and Communications", ISBN: 960-8052-03-3, pp. 166-169, 1999.[Abstract, English, Greek] [Full paper, English]

8. Bardis E.G., Bardis N.G., Markovskyy A.P., Spyropoulos A.P., "Design of Boolean Function from a Great Number of Variables Satisfying Strict Avalanche Criterion". Submitting as a special issue of IMACS/IEEE CSCC'99 International MultiConference, "Recent Advances in Signal Processing and Communications", ISBN: 960-8052-03-3, pp. 107-112, 1999.[Abstract, English, Greek] [Full paper, English]

7. Bardis E.G., Bardis N.G., Markovskyy A.P, Spyropoulos A.K, "Security Analysis of Cryptographic Algorithms by means of Boolean Functions". Submitting as a special issue of IMACS/IEEE CSCC'99 International MultiConference, " Progress in Simulation, Modeling, Analysis and Synthesis of Modern Electrical and Electronic Devices and Systems", ISBN: 960-8052-08-4, pp. 382-387, 1999.[Abstract, English, Greek] [Full paper, English]

6. Bardis E.G., Bardis N.G., Markovskyy A.P., Spyropoulos A.K., "High Storage Utilization of Hash Memory by Reducing of Information Redundancy for Hashing". Submitting as a special issue of IMACS/IEEE CSCC'99 International MultiConference, "Software and Hardware Engineering for the 21th Century", ISBN: 960-8052-06-8, pp. 272-276, 1999.[Abstract, English, Greek] [Full paper, English]

5. Bardis N.G., Markovskyy A.P., Abu Ysbax A.N, Kishenko A.B. "Analysis of Security of Cryptographic Algorithms Using Boolean Functions". Bulletin of National Technical University of Ukraine (KPI), ISSN 0201-744X,ISSN 0135-1729, UDK 681.322, No.31, 1998, pp.24-34.[Abstract, English, Greek]

4. Bardis N.G., Markovskyy A.P., Gavaagiin U. "Method for Increasing the Effectiveness and the Information Security Level of a Data Base System, based in Hash-Memory". Bulletin of National Technical University of Ukraine (KPI), ISSN 0201-744X,ISSN 0135-1729, UDK 681.322.01, No.31, 1998, pp.14-23.[Abstract, English, Greek]

3. Bardis N.G., Markovskyy A.P.,Samofalov K.G., Gavaagiin U. "Method for Design Balanced SAC-Functions for Security Informations Systems". Bulletin of National Technical University of Ukraine (KPI), ISSN 0201-744X,ISSN 0135-1729, UDK 681.322, No.31, 1998, pp.03-13.[Abstract, English, Greek]

2. Bardis E., Bardis N., Markovskyy A., "An Approach for Decrease the Information Redundancy in Data Base". Publication on GPNTB-UKRAINE N 2163, 1994.[Abstract, English, Greek]

1. Bardis E., Bardis N., "Effect of Memory Load Factor in Efficacy and in Authenticity of Hash-Functions". Publication on GPNTB-UKRAINE N 1965, 1994.[Abstract, English, Greek]