Titlebook: Communications and Multimedia Security; 11th IFIP TC 6/TC 11 Bart Decker,Ingrid Schaumüller-Bichl Conference proceedings 2010 IFIP Internat

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Efficient Format-Compliant Encryption of Regular Languages: Block-Based Cycle-Walkingently trade-off security for efficiency and can be adjusted to the desired level of security. The relationship between the encryption of regular languages and the encryption of JPEG2000 bitstreams is established. Block-based cycle-walking for the regular language of JPEG2000 bitstreams is compared t

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Statistical Detection of Malicious PE-Executables for Fast Offline Analysisy applications due to related effort and the quantity of files..Based on existing work from [1] and [2] we analyse an approach towards statistical malware detection of PE executables. One benefit is its simplicity (evaluating 23 static features with moderate resource constrains), so it might support

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Peer-to-Peer VoIP Communications Using Anonymisation Overlay Networksw costs and flexible services. However, VoIP calling anonymity, particularly to withhold “who called whom”, is difficult to achieve since VoIP infrastructures are usually deployed in an open networking environment (e.g., the Internet). Our work studies an anonymisation overlay network (AON) based so

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SIP Proxies: New Reflectors in the Internet, the design of the certificate distribution in this mechanism yields some vulnerabilities. In this paper, we investigate an attack which exploits SIP infrastructures as reflectors to bring down a web server. Our experiments demonstrate that the attacks can be easily mounted. Finally, we discuss som

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