Publikációk

Folyóiratcikkek · Konferenciacikkek · Disszertációk · Tanulmányok · Egyéb

Megjelent: Buttyán L., Vajda I., Kriptográfia és alkalmazásai, Typotex Kiadó, 2004. (borító)

Folyóirat- és magazincikkek

B. Bencsáth, I. Vajda Efficient Directory Harvest Attacks and Countermeasures International Journal of Network Security, 2007, vol. 5, no. 3, pp. 264-273. ( Bibtex ) G. Ács, L. Buttyán A taxonomy of routing protocols for wireless sensor networks Híradástechnika, 2006, December. (Abstract, Bibtex ) I. Zs. Berta How to accept an electronic signature? Híradástechnika, 2006, vol. LXI, 2006, in Hungarian. (Abstract, Bibtex ) B. Bencsáth, I. Vajda Internet Denial of Service attacks in game theoretical model (in hungarian) Alkalmazott Matematikai Lapok 23, 2006, pp. 335-348.. (Abstract, Bibtex ) Géza Szabó, B. Bencsáth Protection against DHA attack with central filtering (in hungarian) Híradástechnika, 2006, vol. LXI, pp. pp. 2-9, 05. ( Bibtex ) G. Ács, L. Buttyán, I. Vajda Provably Secure On-demand Source Routing in Mobile Ad Hoc Networks IEEE Transactions on Mobile Computing, 2006, vol. 5, no. 11. (Abstract, Bibtex ) G. Ács, L. Buttyán Útvonalválasztó protokollok vezeték nélküli szenzorhálózatokban Híradástecnika, 2006, November. (Abstract, Bibtex ) L. Buttyán, L. Dóra WiFi biztonság - A jó, a rossz, és a csúf Híradástechnika, 2006, May. (Abstract, PDF, Bibtex ) I. Zs. Berta, L. Buttyán, I. Vajda A framework for the revocation of unintended digital signatures initiated by malicious terminals IEEE Transactions on Secure and Dependable Computing, 2005, vol. (Vol. 2, No. 3), pp. 268-272, July-September, http://csdl2.computer.org/.... (Abstract, Bibtex ) G. Ács, L. Buttyán, I. Vajda Ad hoc útvonalválasztó protokollok bizonyított biztonsága Híradástechnika, 2005, March. (Abstract, Bibtex ) S. Capkun, J. P. Hubaux, L. Buttyán Mobility Helps Peer-to-Peer Security IEEE Transactions on Mobile Computing, 2005, to appear. ( Bibtex ) M. Félegyházi, J. P. Hubaux, L. Buttyán Nash Equilibria of Packet Forwarding Strategies in Wireless Ad Hoc Networks IEEE Transactions on Mobile Computing, 2005, to appear. ( Bibtex ) N. B. Salem, L. Buttyán, J. P. Hubaux, M. Jakobsson Node Cooperation in Hybrid Ad hoc Networks IEEE Transactions on Mobile Computing, 2005, to appear. ( Bibtex ) G. Ács, L. Buttyán, I. Vajda Provable Security for Ad Hoc Routing Protocols Híradástechnika, 2005, June. (Abstract, Bibtex ) L. Buttyán, J. P. Hubaux, S. Capkun A Formal Model of Rational Exchange and Its Application to the Analysis of Syverson's Protocol Journal on Computer Security, 2004, vol. 12, no. 3-4, pp. 551-587. (Abstract, PDF, PS, Bibtex ) L. Buttyán, T. Holczer, P. Schaffer Incentives for Cooperation in Multi-hop Wireless Networks (in Hungarian) Híradástechnika, 2004, vol. LIX, no. 3, pp. 30--34, March. (Abstract, PDF, Bibtex ) I. Zs. Berta, I. Vajda Limitations of humans when using malicious terminals Tatra Mountains Mathematical Publications, 2004, (to appear). (Abstract, PDF, Bibtex ) L. Zombik, L. Buttyán Modelling Location Reveal Attacks in Mobile Systems Periodica Polytechnica, 2004, vol. 48, no. 1-2, pp. 85-100. ( Bibtex ) F. Gaertner, L. Buttyán, K. Kursawe From Fault-Tolerance to Security and Back IEEE Distributed Systems Online, 2003, vol. 4, no. 9. ( Bibtex ) I. Zs. Berta, I. Berta Hardware and Software Security I Elektrotechnika, 2003, vol. 2003/10, pp. 4. (PDF, Bibtex ) I. Zs. Berta, I. Berta Hardware and Software Security II Elektrotechnika, 2003, vol. 2003/11, pp. 4. (PDF, Bibtex ) L. Buttyán, J. P. Hubaux Report on a Working Session on Security in Wireless Ad Hoc Networks ACM Mobile Computing and Communications Review (MC2R), 2003, vol. 7, no. 1, March. (PDF, Bibtex ) S. Capkun, L. Buttyán, J. P. Hubaux Self-Organized Public-Key Management for Mobile Ad Hoc Networks IEEE Transactions on Mobile Computing, 2003, vol. 2, no. 1, January-March. (Abstract, Bibtex ) L. Buttyán, J. P. Hubaux Stimulating Cooperation in Self-Organizing Mobile Ad Hoc Networks ACM/Kluwer Mobile Networks and Applications, 2003, vol. 8, no. 5, October. (PDF, Bibtex ) I. Zs. Berta, Z. Á. Mann Evaluating Elliptic Curve Cryptography on PC and Smart Card Periodica Polytechnica, Electrical Engineering, 2002, vol. 46/1-2, pp. 47-75. (PDF, PS, Bibtex ) I. Vajda Extraction of random bits for cryptographic purposes Tatra Mountains Mathematical Publications, 2002, vol. 25, pp. 83-99. (PS, Bibtex ) L. Buttyán, A. Nagy, I. Vajda Efficient Multi-Party Challenge-Response Protocols for Entity Authentication Periodica Polytechnica, 2001, vol. 45, no. 1, pp. 43-64, April. (Abstract, PDF, Bibtex ) L. Blazevic, L. Buttyán, S. Capkun, S. Giordano, J. P. Hubaux, J. Y. Le Boudec Self-Organization in Mobile Ad-Hoc Networks: the Approach of Terminodes IEEE Communications Magazine, 2001, vol. 39, no. 6, June. (Abstract, PS, Bibtex ) U. Wilhelm, S. Staamann, L. Buttyán A Pessimistic Approach to Trust in Mobile Agent Platforms IEEE Internet Computing, 2000, vol. 4, no. 5, pp. 40-48, September. (PDF, Bibtex ) L. Györfi, Á. Jordán, I. Vajda Exact decoding error probability for slow frequency hopping European Transactions on Telecommunication, 2000, vol. 11, no. 2, pp. 183-190, March/April. ( Bibtex ) L. Buttyán, C. Gbaguidi, S. Staamann, U. Wilhelm Extensions to an Authentication Technique Proposed for the Global Mobility Network IEEE Transactions on Communications, 2000, vol. 48, no. 3, March. (Abstract, PDF, Bibtex ) B. Bencsáth, S. Tihanyi Home-made methods for enhancing network security (in Hungarian) Magyar Távközlés, 2000, vol. X, no. 4, pp. 22-27.. ( Bibtex ) I. Zs. Berta, Z. Á. Mann Programmable smart cards and their security Magyar Távközlés, 2000, 4. (PDF, Bibtex ) L. Buttyán Removing the financial incentive to cheat in micropayment schemes IEE Electronics Letters, 2000, vol. 36, no. 2, pp. 132-133, January. (Abstract, PDF, Bibtex ) I. Zs. Berta, Z. Á. Mann Smart Cards - Present and Future Híradástechnika, Journal on C5, 2000, 12. (PDF, Bibtex ) L. Györfi, I. Vajda Analysis of Protocol Sequences for Slow Frequency Hopping Wireless Networks, 1998, vol. 4, pp. 411-418. ( Bibtex ) L. Buttyán Data Security Issues of Computer Networks Magyar Távközlés (Selected Papers from the Hungarian Telecommunications), 1997, pp. 50-57.. ( Bibtex ) L. Buttyán Data Security Issues of Computer Networks (in Hungarian) Magyar Távközlés, 1996, vol. VII., no. 4., pp. 11-19., April. ( Bibtex ) I. Vajda Code construction for FH/CDMA channels IEEE Transactions on Communications, 1995, vol. 43, no. 10, October. ( Bibtex ) I. Vajda, L. Buttyán On Design Criteria of Conventional Block Ciphers (in Hungarian) Hiradástechnika, 1995, vol. XLVI., pp. 10-18., March, (awarded with the Pollak-Virag Award of the Hungarian Telecommunication Scientific Society). ( Bibtex ) L. Buttyán, I. Vajda Searching for the best linear approximation of DES-like cryptosystems IEE Electronics Letters, 1995, vol. 31, no. 11, pp. 873-874, May. ( Bibtex ) I. Vajda Code Constructions for Code Division Multiple Access Channels Journal on Communications, 1994, vol. XLV, pp. 2-9, March. ( Bibtex ) I. Vajda Spread Spectrum Principle Based Wireless Telecommunication Networks Magyar Távközlés, 1993, pp. 43-49, Selected papers 1993. ( Bibtex ) L. Györfi, I. Vajda Construction of Protocol Sequences for Multiple-Access Collision Channel without Feedback IEEE Transactions on Information Theory, 1992, vol. 39, no. 5, pp. 1762-1765, September. ( Bibtex ) I. Vajda Comments on Code-Division Multiple Access Techniques in Optical Fiber Networks IEEE Transactions on Communications, 1991, vol. 39, no. 2, pp. 196, February. ( Bibtex ) I. Vajda Side information gained from signal matrices in FFH spread spectrum systems Electronics and Communications, 1991, vol. 45, no. 2, pp. 70-76, March, Hirzel Verlag. ( Bibtex ) I. Vajda, T. Nemetz Substitution of characters in q-ary m-sequences Lecture Notes in Computer Science 5O8, 1991, pp. 96-105, Springer-Verlag. ( Bibtex ) I. Vajda AGC based hard detected FFH signal matrices IEE Electronics Letters, 1990, vol. 26, no. 3, pp. 218-219, February. ( Bibtex ) I. Vajda, G. Einarsson Code acquisition for a frequency hopping system IEEE Transactions on Communications, 1987, vol. 35, no. 5, pp. 566-568, May. ( Bibtex ) G. Einarsson, I. Vajda, L. Molnár Error probability of a code-division multiple-access frequency-hopping system Electronics and Communications, 1987, vol. 41, no. 6, pp. 356-364, December, Hirzel Verlag. ( Bibtex ) I. Vajda A coding rule for frequency-hopped multiple access channels Problems of Control and Information Theory, 1983, vol. 13, no. 5, pp. 331-335. ( Bibtex ) L. Györfi, I. Vajda Block coding and correlation decoding for an M-user weighted adder channel Problems of Control and Information Theory, 1983, vol. 12, no. 6, pp. 405-417. ( Bibtex ) L. Molnár, I. Vajda Decoding error probability of the Einarsson-code for frequency-hopped multiple access channel Problems of Control and Information Theory, 1983, vol. 13, no. 2, pp. 109-120. ( Bibtex ) S. Csibi, L. Györfi, Z. Györfi, I. Vajda Information transmission with intermediate storage under the special conditions of microcomputers Periodica Polytechnica, 1980, vol. 24, pp. 222-227. ( Bibtex ) L. Györfi, I. Vajda Upper bound on the error probability of detection in non-Gaussian noise Problems of Control and Information Theory, 1980, vol. 9, no. 3, pp. 215-224. ( Bibtex ) I. Vajda, I. Kerekes, L. Györfi, H. Gomez Remarks on a coding technique for asynchronous multiple access communication Problems of Control and Information Theory, 1979, vol. 9, no. 4, pp. 287-296. ( Bibtex ) I. Vajda Adaptive Gaussian detection without a priori symbol synchronization Problems of Control and Information Theory, 1978, vol. 9, no. 2, pp. 133-140. ( Bibtex ) L. Györfi, Z. Györfi, I. Vajda Bayesian decision with rejection Problems of Control and Information Theory, 1978, vol. 8, no. 5, pp. 445-452. ( Bibtex ) L. Györfi, Z. Györfi, I. Vajda A strong law of large numbers and some applications Studia Scientiarum Mathematicarum Hungarica, 1977, vol. 12, pp. 233-244. ( Bibtex )

Konferencia- és workshop-cikkek

A. Bohák, L. Buttyán, L. Dóra An User Authentication Scheme for Fast Handover Between WiFi Access Points In Proceedings of the Third Annual International Wireless Internet Conference, ACM, 2007, ACM, Austin, Texas, USA, October 22-23, (invited paper). (Abstract, PDF, Bibtex ) L. Buttyán, L. Dóra, M. Félegyházi, I. Vajda Barter-based cooperation in delay-tolerant personal wireless networks In Proceedings of the First IEEE WoWMoM Workshop on Autonomic and Opportunistic Communications, IEEE Computer Society Press, 2007, IEEE Computer Society Press, June. (Abstract, PDF, Bibtex ) P. Schaffer, I. Vajda CORA: Correlation-based Resilient Aggregation in Sensor Networks In Proceedings of the 10th ACM/IEEE International Symposium on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM), 2007, October 22-26, ACM Press, Chania, Crete, Greece. (Abstract, PDF, Bibtex ) B. Bencsáth, M. A. Rónai Empirical Analysis of Denial of Service Attack Against SMTP Servers Proceedings of The 2007 International Symposium on Collaborative Technologies and Systems, IEEE, 2007, pp. 72-79, IEEE. (PDF, PPT, Bibtex ) G. Avoine, L. Buttyán, T. Holczer, I. Vajda Group-Based Private Authentication In Proceedings of the International Workshop on Trust, Security, and Privacy for Ubiquitous Computing (TSPUC 2007), IEEE, 2007, IEEE. (Abstract, PDF, Bibtex ) L. Buttyán, T. Holczer, I. Vajda On the Effectiveness of Changing Pseudonyms to Provide Location Privacy in VANETs In Proceedings of the Fourth European Workshop on Security and Privacy in Ad hoc and Sensor Networks (ESAS2007), Springer, 2007, Springer. (Abstract, PDF, Bibtex ) L. Buttyán, P. Schaffer PANEL: Position-based Aggregator Node Election in Wireless Sensor Networks In Proceedings of the 4th IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS), 2007, October 8-11, IEEE Press, Pisa, Italy. (Abstract, PDF, Bibtex ) G. Ács, L. Buttyán Secure Routing in Wireless Sensor Networks book chapter in J. Lopez and J. Zhou (eds.): Wireless Sensor Network Security (Cryptology and Information Security Series), 2007, IOS Press. (Abstract, Bibtex ) G. Ács, L. Buttyán, I. Vajda The Security Proof of a Link-state Routing Protocol for Wireless Sensor Networks In Proceedings of the 3rd IEEE Workshop on Wireless and Sensor Networks Security (WSNS 2007), 2007, October, IEEE Press, Pisa, Italy. (Abstract, PDF, Bibtex ) G. Ács, L. Buttyán, I. Vajda Modelling Adversaries and Security Objectives for Routing Protocols in Wireless Sensor Networks In Proceedings of the Fourth ACM Workshop on Security of Ad Hoc and Sensor Networks (SASN'06), 2006, October. (Abstract, PDF, Bibtex ) L. Buttyán, T. Holczer, I. Vajda Optimal Key-Trees for Tree-Based Private Authentication In Proceedings of the International Workshop on Privacy Enhancing Technologies (PET), 2006, June, Springer. (Abstract, PDF, Bibtex ) L. Buttyán, T. Holczer, I. Vajda Providing Location Privacy in Automated Fare Collection Systems In Proceedings of the 15th IST Mobile and Wireless Communication Summit, Mykonos, Greece, 2006, June. (PDF, Bibtex ) L. Buttyán, P. Schaffer, I. Vajda RANBAR: RANSAC-Based Resilient Aggregation in Sensor Networks In Proceedings of the Fourth ACM Workshop on Security of Ad Hoc and Sensor Networks (SASN), 2006, October 30, ACM Press, Alexandria, VA, USA. (Abstract, PDF, Bibtex ) L. Buttyán, P. Schaffer, I. Vajda Resilient Aggregation with Attack Detection in Sensor Networks Second IEEE International Workshop on Sensor Networks and Systems for Pervasive Computing (PerSeNS), 2006, March 13, IEEE Computer Society Press, Pisa, Italy. (Abstract, PDF, Bibtex ) L. Buttyán, P. Schaffer, I. Vajda Resilient Aggregation: Statistical Approaches book chapter in N.P.Mahalik (ed.): Sensor Networks and Configuration, 2006, pp. 211--236, Springer, August. (Abstract, PDF, Bibtex ) Géza Szabó, B. Bencsáth Statistical analysis of the results of the DHA protection system (in hungarian) Proceedings of Networkshop 2006 conference, NIIF, 2006, NIIF. (Abstract, PDF, Bibtex ) B. Bencsáth, Géza Szabó Components to improve the protection against spam and viruses HSN LAB Workshop, 2005, Jun. (Abstract, Bibtex ) M. Félegyházi, J. P. Hubaux, L. Buttyán Cooperative Packet Forwarding in Multi-Domain Sensor Networks Proceedings of the First International Workshop on Sensor Networks and Systems for Pervasive Computing (PerSeNS 2005), 2005, March. ( Bibtex ) B. Bencsáth, I. Vajda Efficient Directory Harvest Attacks Proceedings of the 2005 International Symposium on Collaborative Technologies and Systems, IEEE, IEEE Computer Society, 2005, William McQuay and Waleed W. Smari, pp. 62- 68, IEEE, IEEE Computer Society, July. (Abstract, PDF, PS, Bibtex ) Géza Szabó, Gábor Szabó Possible protection methods against DHA attacks by the attackers recognition and centralized ban (in hungarian) Networkshop 2005 Konferencia, 2005. (Abstract, PDF, Bibtex ) G. Ács, L. Buttyán, I. Vajda Provable Security of On-Demand Distance Vector Routing in Wireless Ad Hoc Networks In Proceedings of the Second European Workshop on Security and Privacy in Ad Hoc and Sensor Networks (ESAS 2005), Visegrád, Hungary, July 13-14, 2005, 2005. (Abstract, PDF, Bibtex ) L. Buttyán, T. Holczer, P. Schaffer Spontaneous Cooperation in Multi-domain Sensor Networks In Proceedings of the 2nd European Workshop on Security and Privacy in Ad-hoc and Sensor Networks (ESAS), 2005, July 13-14, Springer, Visegrád, Hungary. (Abstract, PDF, Bibtex ) I. Vajda, L. Buttyán, L. Dóra Statistical Wormhole Detection in Sensor Networks Lecture Notes in Computer Science, Springer-Verlag GmbH, 2005, Refik Molva, Gene Tsudik, Dirk Westhoff, pp. Volume 3813/ 2005, pp. 128 - 141, Springer-Verlag GmbH, Security and Privacy in Ad-hoc and Sensor Networks: Second European Workshop, ESAS 2005, Visegrad, Hungary, July 13-14, 2005. (Abstract, PDF, Bibtex ) Gábor Szabó, Géza Szabó The applied Spam-filtering methods and the Sender ID in Hungary (in hungarian) Proceedings of Networkshop 2005 conference, 2005. (Abstract, PDF, Bibtex ) B. Bencsáth Az internetes vírus- és spamvédelem rendszerszemléletben HISEC 2004 konferencia, 2004, 10., Budapest, in Hungarian. (Abstract, PDF, PPT, Bibtex ) M. Félegyházi, J. P. Hubaux, L. Buttyán Equilibrium Analysis of Packet Forwarding Strategies in Wireless Ad Hoc Networks -- the Dynamic Case Proceedings of the 2nd Workshop on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt 2004), 2004, March. ( Bibtex ) I. Zs. Berta, L. Buttyán, I. Vajda Mitigating the Untrusted Terminal Problem Using Conditional Signatures Proceedings of International Conference on Information Technology ITCC 2004, IEEE, 2004, IEEE, Las Vegas, NV, USA, April. (Abstract, PDF, Bibtex ) I. Zs. Berta, L. Buttyán, I. Vajda Privacy Protecting Protocols for Revokable Digital Signatures Proceedings of Cardis 2004, Toulouse, France (to appear), Kluwer, 2004, Kluwer. (Abstract, PDF, Bibtex ) B. Bencsáth, I. Vajda Protection Against DDoS Attacks Based On Traffic Level Measurements 2004 International Symposium on Collaborative Technologies and Systems, The Society for Modeling and Simulation International, 2004, Waleed W. Smari, William McQuay, pp. 22-28., The Society for Modeling and Simulation International, San Diego, CA, USA, January, Simulation series vol 36. no. 1., ISBN 1-56555-272-5. (Abstract, PDF, PS, Bibtex ) I. Zs. Berta, B. Bencsáth Sending authentic messages from malicious terminals Proceedings of the Networkshop 2004 Conference, NIIF, Hungary, 2004, NIIF, Hungary. (Abstract, Bibtex ) B. Bencsáth The problems and connections of network virus protection and the protection against denial of service attacks Proceedings of the Networkshop 2004 Conference, NIIF, Hungary, 2004, NIIF, Hungary. (Abstract, PDF, PPT, Bibtex ) L. Buttyán, I. Vajda Towards Provable Security for Ad Hoc Routing Protocols Proceedings of the 2nd ACM Workshop on Security in Ad Hoc and Sensor Networks (SASN 2004), ACM, 2004, ACM, October. ( Bibtex ) B. Bencsáth, I. Vajda Trap E-mail Address for Combating E-mail Viruses Proceedings of SoftCOM 2004 12. International conference on software, telecommunications and computer networks, University of Split, 2004, pp. 220-224, University of Split, October. (PDF, PS, Bibtex ) N. B. Salem, L. Buttyán, J. P. Hubaux, M. Jakobsson A Charging and Rewarding Scheme for Packet Forwarding in Multi-hop Cellular Networks 4th ACM Symposium on Mobile Ad Hoc Networking and Computing (MobiHOC 2003), 2003, June. (Abstract, Bibtex ) B. Bencsáth, L. Buttyán, I. Vajda A game based analysis of the client puzzle approach to defend against DoS attacks Proceedings of SoftCOM 2003 11. International conference on software, telecommunications and computer networks, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split, 2003, pp. 763-767, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split. (Abstract, PDF, PS, Bibtex ) M. Jakobsson, J. P. Hubaux, L. Buttyán A Micropayment Scheme Encouraging Collaboration in Multi-Hop Cellular Networks Proceedings of Financial Crypto 2003, 2003, La Guadeloupe, January. (Abstract, Bibtex ) M. Félegyházi, L. Buttyán, J. P. Hubaux Equilibrium Analysis of Packet Forwarding Strategies in Wireless Ad Hoc Networks -- the Static Case 8th International Conference on Personal Wireless Communications (PWC 2003), 2003, September. (Abstract, PDF, PPT, Bibtex ) I. Vajda, L. Buttyán Lightweight Authentication Protocols for Low-Cost RFID Tags 2nd Workshop on Security in Ubiquitous Computing, in conjunction with Ubicomp 2003, 2003, October. (Abstract, Bibtex ) S. Capkun, J. P. Hubaux, L. Buttyán Mobility Helps Security in Ad Hoc Networks 4th ACM Symposium on Mobile Ad Hoc Networking and Computing (MobiHOC 2003), 2003, June. (Abstract, Bibtex ) S. Capkun, L. Buttyán, J. P. Hubaux SECTOR: Secure Tracking of Node Encounters in Multi-hop Wireless Networks Proceedings of the ACM Workshop on Security in Ad Hoc and Sensor Networks (SASN 2003), ACM, 2003, ACM, October. (Abstract, Bibtex ) L. Buttyán, S. Capkun, J. P. Hubaux A Formal Analysis of Syverson`s Rational Exchange Protocol Proceedings of IEEE Computer Security Foundations Workshop, 2002, Cape Breton, Nova Scotia, Canada, June. (Abstract, PDF, Bibtex ) B. Bencsáth, I. Zs. Berta Empiric examination of random number generators of smart cards HTE-BME 2002 Korszerû távközlõ és informatikai rendszerek és hálózatok konferencia, BME, 2002, BME. (PDF, Bibtex ) I. Verók Formal Verification of JavaCard Application Security Properties HTE-BME 2002 Korszerű távközlő és informatikai rendszerek és hálózatok konferencia, Budapest University of Technology and Economics, 2002, Budapest University of Technology and Economics. (PDF, Bibtex ) L. Buttyán, S. Capkun, J. P. Hubaux Small Worlds in Security Systems: an Analysis of the PGP Certificate Graph Proceedings of The ACM New Security Paradigms Workshop 2002, 2002, pp. 8, Norfolk, Virginia Beach, USA, September. (Abstract, PDF, Bibtex ) I. Zs. Berta The problem of sending authentic messages from insecure terminals HTE-BME 2002 Korszerû távközlõ és informatikai rendszerek és hálózatok konferencia, BME, 2002, BME. ( Bibtex ) N. B. Salem, L. Buttyán A Payment Scheme for Broadcast Multimedia Streams Proceedings of 6th IEEE Symposium on Computers and Communications, 2001, Hammamet, Tunisia, July. (Abstract, PS, Bibtex ) B. Bencsáth, I. Vajda Collecting randomness from the net Proceedings of the IFIP TC6 and TC11 Joint Working Conference on Communications and Multimedia Security 2001, Kluwer, 2001, pp. 105-111, Kluwer, May. (Abstract, PDF, PS, Bibtex ) I. Zs. Berta, Z. Á. Mann Cryptographic application of programmable smart cards Proceedings of NetWorkshop'2001, 2001. (PDF, Bibtex ) L. Buttyán, J. P. Hubaux Rational Exchange -- A Formal Model Based on Game Theory Proceedings of 2nd International Workshop on Electronic Commerce (WELCOM 2001), 2001, Heidelberg, Germany, November. (Abstract, PS, Bibtex ) J. P. Hubaux, L. Buttyán, S. Capkun The Quest for Security in Mobile Ad Hoc Networks Proceedings of ACM Symposium on Mobile Ad Hoc Networking and Computing (MobiHOC), 2001, Long Beach, CA, USA, October. (Abstract, PS, Bibtex ) L. Buttyán, J. P. Hubaux Enforcing Service Availability in Mobile Ad-Hoc WANs Proceedings of IEEE/ACM Workshop on Mobile Ad Hoc Networking and Computing (MobiHOC), 2000, Boston, MA, USA, August. (Abstract, PS, Bibtex ) Handover Analysis in a Wireless Mobile IP Network 12. Távközlési és Informatikai Hálózatok Szeminárium és Kiállítás, 2000, Sopron, Hungary, October 4-6, in Hungarian. (Abstract, PDF, Bibtex ) L. Buttyán, J. P. Hubaux Accountable Anonymous Access to Services in Mobile Communication Systems Proceedings of 18th IEEE Symposium on Reliable Distributed Systems, Workshop on Electronic Commerce, 1999, pp. 384-389, Lausanne, Switzerland, October. (Abstract, PS, Bibtex ) L. Buttyán, S. Staamann, A. Coignet, E. Ruggiano, U. Wilhelm, M. Zweiacker Closed User Groups in Internet Service Centres Proceedings of DAIS`99, 1999, Helsinki, June. (Abstract, PS, Bibtex ) U. Wilhelm, S. Staamann, L. Buttyán Introducing Trusted Third Parties to the Mobile Agent Paradigm Proceedings of Secure Internet Programming: Security Issues for Mobile and Distributed Objects, Springer-Verlag (LNCS 1603), 1999, J. Vitek, C. Jensen, pp. 471-491, Springer-Verlag (LNCS 1603), January. (Abstract, PS, Bibtex ) S. Staamann, U. Wilhelm, L. Buttyán Multilateral Security in Middleware Based Telecommunications Architectures Proceedings of Multilateral Security in Communications, Addison-Wesley, 1999, G. Mueller and K. Rannenberg, pp. 381-386, Addison-Wesley, July. (Abstract, PS, Bibtex ) L. Buttyán, S. Staamann, U. Wilhelm A Simple Logic for Authentication Protocol Design Proceedings of IEEE Computer Security Foundations Workshop, 1998, pp. 153-162, Rockport, MA, USA, June. (Abstract, PS, Bibtex ) S. Csibi, L. Györfi, I. Vajda Analysis of Protocol Sequences for Slow Frequency Hopping Proceedings of the 1998 International Zürich Seminar on Broadband Communication (IEEE Catalog No.98TH8277), 1998, pp. 237-242. ( Bibtex ) Á. Jordán, I. Vajda On the distribution of Hamming correlation of cyclically permutable subsets of RS codes Proceedings of the II. International Workshop on Optimal Codes'98, 1998, pp. 144-150, Sazopol,Bulgaria, June 9-15. ( Bibtex ) Á. Jordán, I. Vajda On the Hamming correlation distribution of SFH signature sequence sets roceedings of the IEEE ISSSTA '98 (IEEE Fifth International Symposium on Spread Sectrum Techniques & Applications), 1998, pp. 676-680, Sun City, South Africa, September 2-4. ( Bibtex ) U. Wilhelm, S. Staamann, L. Buttyán On the Problem of Trust in Mobile Agent Systems Proceedings of Internet Society`s Symposium on Network and Distributed System Security, 1998, San Diego, CA, USA, March. (Abstract, PS, Bibtex ) U. Wilhelm, S. Staamann, L. Buttyán Protecting the Itinerary of Mobile Agents Proceedings of ECOOP Workshop on Mobile Object Systems: Secure Internet Mobile Communications, 1998, Brussels, Belgium, June. (Abstract, PS, Bibtex ) S. Staamann, U. Wilhelm, L. Buttyán Security in TINA Proceedings of IFIP-SEC`98, 1998, Wienna-Budapest, August. (Abstract, PS, Bibtex ) S. Staamann, U. Wilhelm, A. Schiper, L. Buttyán, J. P. Hubaux Security in the Telecommunication Information Networking Architecture - the CrySTINA Approach Proceedings of TINA`97, 1997, November. (Abstract, PS, Bibtex ) L. Györfi, I. Vajda Construction of Protocol Sequences for Multiple-Access Collision Channels Proceedings of the 1993 IEEE International Symposium on Information Theory, 1993, pp. 157, San Antonio, USA, Jan 17-22. ( Bibtex ) I. Vajda Code sequences for FH-CDMA channels Proceedings of IEEE Symposium on Spread Spectrum Techniques and Applications, 1992, pp. 195-197, Yokohama, Japan. ( Bibtex ) T. Nemetz, I. Vajda A cryptographic element based on number system conversion Proceedings of 1991 IEEE International Symposium on Information Theory, 1991, pp. 127, Budapest, Hungary. ( Bibtex ) I. Vajda On random code-hopping DS/SSMA systems Proceedings of IEEE Symposium on Spread Spectrum Techniques and Applications, 1990, pp. 47-52, London. ( Bibtex ) I. Vajda, J. Landsmann Some results on generation of shift-register sequences with large linear complexity Proceedings of Applied Algebra, Algebraic Algorithms and Error Control Codes, AAECC-5, 1987, pp. 81, Menorca, Spain, June 15-19. ( Bibtex ) I. Vajda More on modelling and performance evaluation for frequency coded multiple access channels Proceedings of U.R.S.I. XXIst General Assembly, 1985, pp. 104, Florence, Italy. ( Bibtex )

Disszertációk

I. Zs. Berta Mitigating the attacks of malicious terminals BME, 2005, http://www.crysys.hu/~isti/phd. (Abstract, PDF, Bibtex ) I. Zs. Berta Why are not digital signatures spreading as quickly as it was expected? MBA dissertation, Buckinghamshire Chilterns University College, Buckinghamshire Business School, Számalk Open Business School, 2004. (PDF, Bibtex ) I. Verók A Mobile Agent Bidirectional One-to-Many Communications Framework BME, 2001. ( Bibtex ) L. Buttyán Building Blocks for Secure Services: Authenticated Key Transport and Rational Exchange Protocols Swiss Federal Institute of Technology (EPFL), 2001, December. (Abstract, PDF, Bibtex ) I. Verók Cahoots: A Mobile Agent Bidirectional One-to-Many Communications Framework Budapest University of Technology and Economics, 2001. (PDF, Bibtex ) M. Hegedüs On-line tőzsdei kereskedési adatfeldolgozó rendszer fejlesztése és statisztikai elemzések napon belüli kereskedéshez BME, 2001. ( Bibtex ) M. Perényi On-line tőzsdei kereskedési adatfeldolgozó rendszer fejlesztése és statisztikai elemzések napon belüli kereskedéshez BME, 2001. ( Bibtex ) I. Berta Programozható chipkártya biztonsági alkalmazásai BME, 2001. ( Bibtex ) I. Zs. Berta Security of programmable smart cards Budapest University of Technology and Economics, 2001. (Abstract, PDF, Bibtex ) S. Tihanyi Biztonságos anonim hálózati kommunikációs rendszer BME, 2000. ( Bibtex ) B. Korossy Khayll Intelligens ügynök az elektronikus kereskedelemban BME, 2000. ( Bibtex ) T. Németh Nyilvános kulcsú kriptográfiai megoldás elektronikus banki szolgáltatásra BME, 2000. ( Bibtex ) Smart Card technológiát alkalmazó Internetes fizetési rendszer BME, 2000. ( Bibtex ) B. Bencsáth Virtuális magánhálózatok kiépítése és auditálása BME, 2000. ( Bibtex ) D. Labanc Internetes értékpapír-megbízásokat kezelő rendszer, 1999. ( Bibtex ) I. Kiss SmartCardos mobiltelefonokkal megvalósított biztonságos elektronikus fizetőeszköz BME, 1999. ( Bibtex ) Á. Csernitzky Internetes telebanki szolgáltatás és a szerver oldali adatbiztonsága BME, 1998. ( Bibtex ) Zs. Nagy A hitelkártyás vásárlás SET (Secure Electronic Transaction) draft standard adatbiztonsági protokolljának vizsgálata BME, 1997. ( Bibtex ) Zs. Szabadi Biztonságos kommunikáció X400 MTA és Web Browser ügyfél alkalmazás között BME, 1997. ( Bibtex ) K. Rassay Nyílt számítógépes hálózatok adatvédelmi kérdései BME, 1995. ( Bibtex ) L. Buttyán S-box Design, (in Hungarian) Budapest University of Technology, 1995, May. ( Bibtex ) Gy. Hernádi Lokális számítógéphálózatok algoritmikus adatvédelme BME, 1992. ( Bibtex ) T. Szántó Reed-Solomon kódok alkalmazási lehetőségei az adatvédelemben BME, 1991. ( Bibtex )

Tanulmányok

B. Bencsáth, T. Tuzson, B. Tóth, T. Tiszai, G. Szappanos, E. Rigó, Sz. Pásztor, M. Pásztor, P. Papp, P. Orvos, P. Mátó, B. Martos, L. Kún, Z. Kincses, T. Horváth, M. Juhász, B. K. Erdélyi, A. Bogár, G. Vid Az informatikai hálózati infrastruktúra biztonsági kockázatai és kontrolljai IHM - MTA-SZTAKI, 2004. (Abstract, PDF, Bibtex ) I. Zs. Berta, I. Vajda, L. Buttyán, B. Bencsáth, T. Veiland HUNEID - Hungarian Electronic ID smart card specifications Ministry of Informatics and Telecommunications (www.ihm.hu), 2004, http://www.itktb.hu/engine.aspx?page=showcontent&content;=ias. ( Bibtex ) G. Ács, L. Buttyán, I. Vajda Provably Secure On-demand Source Routing in Mobile Ad Hoc Networks http://eprint.iacr.org/ under report number 2004/159., 2004, March. (Abstract, Bibtex ) L. Buttyán, J. P. Hubaux Nuglets: a Virtual Currency to Stimulate Cooperation in Self-Organized Mobile Ad Hoc Networks EPFL-DI-ICA, 2001, no. DSC/2001/001, January. (Abstract, PS, Bibtex ) L. Buttyán, J. P. Hubaux Stimulating Cooperation in Self-Organizing Mobile Ad Hoc Networks EPFL-DI-ICA, 2001, no. DSC/2001/046, August. (Abstract, PS, Bibtex ) L. Buttyán, J. P. Hubaux Enforcing Service Availability in Mobile Ad-Hoc WANs EPFL-DI-ICA, 2000, no. DSC/2000/025, May. (Abstract, PDF, Bibtex ) I. Vajda, B. Bencsáth, A. Bognár Tanulmány a napvilágra került Elender jelszavakról, 2000, Apr.. (Abstract, Bibtex ) J. P. Hubaux, J. Y. Le Boudec, S. Giordano, M. Hamdi, L. Blazevic, L. Buttyán, M. Vojnovic Toward Mobile Ad-Hoc WANs: Terminodes EPFL-DI-ICA, 2000, no. DSC/2000/006, February. (Abstract, PDF, Bibtex ) L. Buttyán, J. P. Hubaux Accountable Anonymous Service Usage in Mobile Communication Systems EPFL-DI-ICA, 1999, no. SSC/99/16, May. (Abstract, PS, Bibtex ) L. Buttyán Formal methods in the design of cryptographic protocols (state of the art) EPFL-DI-ICA, 1999, no. SSC/1999/38, November. (Abstract, PS, Bibtex ) L. Buttyán, J. P. Hubaux Toward a Formal Model of Fair Exchange - a Game Theoretic Approach EPFL-DI-ICA, 1999, no. SSC/1999/39, December. (Abstract, PDF, Bibtex ) C. Gbaguidi, S. Staamann, U. Wilhelm, L. Buttyán A Note on an Authentication Technique Based on Distributed Security Management for the Global Mobility Network EPFL-DI-ICA, 1998, no. SSC/98/18, April. (Abstract, PS, Bibtex ) S. Staamann, U. Wilhelm, L. Buttyán CrySTINA: Security in the Telecommunications Information Networking Architecture EPFL-DI-ICA, 1998, no. SSC/98/4, January. (Abstract, PS, Bibtex ) S. Staamann, U. Wilhelm, L. Buttyán Security in the Telecommunication Information Networking Architecture - the CrySTINA Approach EPFL-DI-ICA, 1998, no. SSC/98/4, January. (Abstract, PS, Bibtex ) L. Buttyán, I. Vajda On the Design of Strong Bit Permutations and Substitutions Budapest University of Technology, 1997, January. ( Bibtex ) I. Vajda, L. Buttyán On the Design of Substitution-Permutation Ciphers Budapest University of Technology, 1997, January. ( Bibtex )

Egyéb

I. Zs. Berta, I. Vajda Documents from Malicious Terminals SPIE's Microtechnologies for the New Millenium 2003, Bioengineered and Bioinspired Systems, Grand Canaria, Spain, 2003. (Abstract, PDF, Bibtex ) I. Vajda, I. Zs. Berta Limitations of users when using malicious terminals Third Central European Conference on Cryptography (Tatracrypt'03), 2003. ( Bibtex ) B. Bencsáth, I. Vajda A game theoretical approach to optimizing of protection against DoS attacks presented on the Second Central European Conference on Cryptography (Hajducrypt), Július, 2002, (no proceedings). ( Bibtex ) L. Buttyán, I. Zs. Berta, I. Vajda Eliminating Man-in-the-Middle attacks of Malicious Terminals Workshop organised by the IST Coordination Point of the Ministry of Education, Budapest, 2002. (Abstract, Bibtex ) I. Zs. Berta, I. Berta Hardware and Software Security Magyar Elektrotechnikai Egyesület XLIX. vándorgyülés, Sopron, 2002. ( Bibtex ) I. Zs. Berta, I. Vajda Message Authentication using Smart Card and Biometry Second Central European Conference on Cryptography (HajduCrypt) 2002, Debrecen, Hungary, 2002. (Abstract, Bibtex ) L. Buttyán, E. Wiedmer, E. Lauper Method for transmitting payment information between a terminal and a third equipment, May, 2001, International Patent Application. ( Bibtex ) I. Verók A Decentralized Marketplace Composed of Mobile Intelligent Agents Scientific student circles (TDK), 2000. (PDF, Bibtex ) I. Zs. Berta, Z. Á. Mann Analysis of public key cryptography based on elliptic curves in smart card and PC environment Scientific student circles (TDK) 2000, Budapest University of Technology and Economics, 2000. ( Bibtex ) Design and Analysis of a Bluetooth Network Optimization Algorithm Students' Scientific Conference, TU Budapest, October, 2000, in Hungarian. (Abstract, PDF, Bibtex ) L. Buttyán, E. Wiedmer, E. Lauper Method for securing communications between a terminal and an additional user equipment, September, 2000, International Patent Application. ( Bibtex ) B. Bencsáth Simple, free encrypted tunnels using linux Presented on Networkshop 2000, Gödöllő, Hungary, 2000, http://nws.iif.hu/NwScd/docs/nevjegy/nj74.htm. ( Bibtex ) Gy. Miklós, M. Félegyházi Traffic Dependent Bluetooth Scatternet Optimization Procedure US patent, May, 2000, Nr: 09/666529. ( Bibtex ) M. Félegyházi, Cs. Szabó, V. Tímár An Experimental Analysis of Mobile IP in a Wireless Environment Students' Scientific Conference, TU Budapest, October, 1999, in Hungarian. (Abstract, PDF, Bibtex ) I. Zs. Berta, Z. Á. Mann Possibilities of authenticity using intelligent smart card Scientific student circles (TDK) 1999, Budapest University of Technology and Economics, 1999. (Abstract, PDF, Bibtex ) B. Bencsáth, S. Tihanyi Problem areas of the security aspects of network operating systems Scientific student groups (TDK) 1999, 1999. (PDF, Bibtex )