By Nashad A. Safa, Saikat Sarkar, Reihaneh Safavi-Naini, Majid Ghaderi (auth.), Vijay Atluri, Claudia Diaz (eds.)
This publication constitutes the refereed lawsuits of the sixteenth ecu Symposium on desktop safeguard, ESORICS 2011, held in Leuven, Belgium, in September 2011. The 36 papers incorporated within the booklet have been rigorously reviewed and chosen from a hundred and fifty five papers. The articles are geared up in topical sections on instant defense; net defense; forensics, biometrics and software program defense; entry keep watch over; cryptography and protocol research; info movement, facet channels, and vulnerability research; usability, belief, and economics of protection and privateness; and privacy.
Read or Download Computer Security – ESORICS 2011: 16th European Symposium on Research in Computer Security, Leuven, Belgium, September 12-14,2011. Proceedings PDF
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This e-book constitutes the refereed court cases of the sixteenth ecu Symposium on desktop protection, ESORICS 2011, held in Leuven, Belgium, in September 2011. The 36 papers incorporated within the ebook have been rigorously reviewed and chosen from a hundred and fifty five papers. The articles are equipped in topical sections on instant safeguard; internet safeguard; forensics, biometrics and software program security; entry keep watch over; cryptography and protocol research; details stream, facet channels, and vulnerability research; usability, belief, and economics of safeguard and privateness; and privateness.
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Extra resources for Computer Security – ESORICS 2011: 16th European Symposium on Research in Computer Security, Leuven, Belgium, September 12-14,2011. Proceedings
Even with watermarks as small as 64 bits, the probability of random appearance is of the order of 10−20 . Hence, the only parameters of interest to the analysis of the statistical performance of the detection scheme are the end-do-end probabilities of packet loss (pplo and ppli ) of the server-sniffer channel. The relevant probabilities are, thus, easily obtained: – Probability of miss - pM . An error of the second kind (failing to detect the watermark) may result both from the loss of the c requests transmitted by the client, or from the loss of all the packets transmitted by the echo-server (n, for each received request).
This attack is particularly hard to trace, since it may occur only for a short amount of time. Depending on the objective of the attacker, after a few minutes of operation, the attack can be terminated, causing nothing more than a network disconnection for the victims (something somewhat common in wireless networks). In this short time frame, the attacker may already have compromised user’s sensitive information. The rest of this paper is organised as follows. Section 2 introduces the existing solutions to the generic problem.
Hence, in our implementation, we kept c as small as possible, and adjusted n to achieve the desired pD . 2 Covert WiFiHop If the wireless link between the evil and legitimate APs is encrypted, we cannot hope to access the payloads of the exchanged packets. In this case, we modify our scheme, focusing its principle of operation on the one measure we can rely on: packet length. g. WEP, WPA) have deterministic, predictable behaviours, concerning the increase in length of the unencrypted packets , we can create an effective watermark using a sequence of packets with pre-determined lengths.