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Projects / Programmes source: ARIS

Lightweight cryptographic services for security, privacy and trust management - LiCS

Research activity

Code Science Field Subfield
2.07.05  Engineering sciences and technologies  Computer science and informatics  Information systems - software 

Code Science Field
T120  Technological sciences  Systems engineering, computer technology 
Keywords
lightweight cryptographic services, optimizations, computing environments with constrained resources, security, privacy, identity management
Evaluation (rules)
source: COBISS
Researchers (10)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  03302  PhD Viktor Avbelj  Systems and cybernetics  Researcher  2007 - 2009  203 
2.  04967  PhD Andrej Brodnik  Computer intensive methods and applications  Researcher  2007 - 2009  449 
3.  09454  PhD Monika Kapus Kolar  Computer science and informatics  Researcher  2007 - 2009  174 
4.  29005  Andrej Kramar  Computer science and informatics  Researcher  2007 
5.  12765  PhD Roman Novak  Telecommunications  Head  2008 - 2009  143 
6.  01938  PhD Nikola Pavešič  Systems and cybernetics  Researcher  2007 - 2009  657 
7.  30364  Iztok Starc  Computer science and informatics  Researcher  2008 - 2009  14 
8.  11077  PhD Denis Trček  Computer science and informatics  Researcher  2007 - 2009  323 
9.  06875  PhD Roman Trobec  Computer science and informatics  Researcher  2007 - 2009  469 
10.  19236  PhD Janez Žibert  Computer science and informatics  Researcher  2007 - 2009  271 
Organisations (4)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0106  Jožef Stefan Institute  Ljubljana  5051606000  90,724 
2.  1538  University of Ljubljana, Faculty of Electrical Engineering  Ljubljana  1626965  27,771 
3.  1539  University of Ljubljana, Faculty of Computer and Information Science  Ljubljana  1627023  16,242 
4.  1669  University of Primorska, Andrej Marušič Insitute  Koper  1810014007  10,782 
Abstract
Nowadays it is clear that there is still not enough trust in the network. This fact has been recognized also by the EU Commission, which plans to further intensify research in this area. Intrusions are rising, spam is proliferating, assured operation of systems is becoming essential, identity thefts are a serious concern for citizen, etc. The answer to these problems are IT services targeting security, privacy and trust. But there is the first problem. Although these terms are closely related, they are essentially addressing different issues. Roughly, security services can be seen as mainly technical issue. On the other hand, privacy and trust have more in common with user modeling and support, which is often not the case in contemporary solutions. And the second problem is the following. The main and the winning trend is deployment of distributed services in the form of web services. But these web services are complex and resources consuming. On the other hand, the emerging IT trend is mobile and wireless computing where devices have limited, or very limited resources, e.g. smart-cards, RFID circuits and weak embedded devices. Thus the goal of the project is to bridge the above gap with development of lightweight services and methods for optimization of existing services for security, privacy and trust. Further, clear distinction will be made between security on one hand, and privacy and trust on the other. Appropriate methodologies will be developed to support trust that will be based on user support and modeling techniques. The reason is straightforward – security in information systems is not just about technology, but inherently includes human users.
Significance for science
The importance of the project for science: Development of a methodology for measurement of »lightweightness« of a cryptographic protocols. This methodology further led to considerable advancement with a methodology for quantitative risks management in information systems (see Computer Journal, Oxford Uni-Press). Here we were doing a pioneering research that will enable tangible assessment (reactive, active and proactive) of risks, and this work resulted in our membership in one consortium for FW 7 project. Another important contribution is new methodology called qualitative algebra. This formalism is aimed at trust management and presents a complementary to those based on rational players (e.g. Dempster-Shafer theory of evidence and game theory). Qualitative algebra allows modeling users and their support in pervasive computing environments to enable better decision making. It is based on linguistic-experiences approach to determine behavior of agents and their decision. The methodology has already been published in SCI journal (see Mathematical & Computer Modeling, Elsevier, 2008).
Significance for the country
Based on the results of our research within LaKS project we were invited to many program committees of international scientific conferences (IEEE WSSP 09, Los Angeles, ACM Workshop on Secure Web Services 09, Chicago,…). We also received an invitation for a presentation at AIC’08 and AIC'09. Furthermore, we were invited into two consortia for EU projects and we succeeded to get one (SEMPOC). This means that we will be able to finance (and employ) new young researchers that will do new research for the benefit of Slovenia and EU (in the area of protection of critical infrastructures). Last but not least, we have been awarded best paper award at IARIA ICONS 2009 conference. The results (all of them are documented in COBISS) prove that our research promotes Slovene science in the EU and worldwide. But it has also clear positive financial implications for the local environment.
Most important scientific results Annual report 2008, final report, complete report on dLib.si
Most important socioeconomically and culturally relevant results Annual report 2008, final report, complete report on dLib.si
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