Volume 4 Number 5 (May 2009)
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Guest Editorial: Special Issue on Security and High Performance Computer Systems

Guest Editors: Luca Spalazzi, Ratan Guha
    Malicious attacks on computer systems everyday propose many new challenges and, hence research on providing security in computing receives significant attention continuously. Some major challenges include unknown attack analysis, detection, and response. Another challenge is related to performances of such security tools. Indeed, new attacks require computationally complex analysis and thus require tools in high performance computer systems. We conducted a workshop in 2008 based on this theme.
    This special issue of Journal of Computers contains expanded versions of eight selected papers from that Workshop on Security and High Performance Computing Systems (SHPCS 2008) as part of the 2008 International Conference High Performance Computing and Simulation (HPCS 2008), held in Nicosia, Cyprus 3 – 6 June 2008. SHPCS was held in Conjunction with the 22nd European Conference on Modeling and Simulation (ECMS 2008). SHPCS 2008, HPCS 2008 and ECMS 2008 were highly successful events whose joint programs provided the participants with high-quality papers in the area of security, simulation, modeling, performance evaluation and high performance computing systems. The technical program of SHPCS 2008 comprised 11 papers authored by researchers from 8 different countries. The eight papers selected deal with various aspects of security: attack, data collection, detection and prevention. Below, we briefly introduce the eight papers.
    The paper by Bernaschi, Bisson, Gabrielli, and Tacconi proposes a dictionary based attack strategy against cryptosystems compliant to the OpenPGP standard. They developed a simplified mechanism to quickly test passphrases that might protect a specified private key ring. Only passphrases that pass this test complete the full validation procedure. The authors propose a distributed computing architecture to carry out large scale dictionary attacks using the proposed strategy. They experimented with their attack strategy in a test-bed consisting of 100baseT Ethernet LAN with 20 personal computers.
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General Information

ISSN: 1796-203X
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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