By Hiran V. Nath (auth.), David C. Wyld, Michal Wozniak, Nabendu Chaki, Natarajan Meghanathan, Dhinaharan Nagamalai (eds.)
This booklet constitutes the lawsuits of the 4th overseas convention on community protection and purposes held in Chennai, India, in July 2011. The sixty three revised complete papers offered have been rigorously reviewed and chosen from various submissions. The papers tackle all technical and functional features of safeguard and its purposes for stressed and instant networks and are geared up in topical sections on community safety and functions, advert hoc, sensor and ubiquitous computing, in addition to peer-to-peer networks and belief management.
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Extra resources for Advances in Network Security and Applications: 4th International Conference, CNSA 2011, Chennai, India, July 15-17, 2011
TRIVIUM has been designed very simple and securely. It shows how simple a stream cipher can be designed without compromising its security. While simple designs are more likely to be vulnerable to attacks. Its design doesn’t use more complex algorithm to introduce security. Trivium is a synchronous stream cipher designed to generate up to 264 bits of key stream from an 80-bit secret key and an 80-bit initial value (IV). Design consists of two phases: first the internal state of the cipher is initialized using the key and the IV, and then the state is repeatedly updated and used to generate keystream bits .
The absence of static infrastructure and centralized administration makes these networks to be self organized and relying on the cooperation of neighboring nodes in order to ﬁnd the routes between the nodes for reliable communication. Due to the limited transmission power of mobile nodes the cooperation between the nodes is very essential for discovering routes and forwarding packets when the source and destination nodes are not within the direct communication range of each other. However, the cooperative behavior such as forwarding packets on behalf of other nodes cannot be taken for granted because a node might agree to forward packets during route discovery but would fail to do so  due to malicious/non malicious behavior.
The selection of k is critical for detecting the colluding misbehaving nodes as well as the independent misbehaving nodes present away from the direct communication range of the requester. In order to thwart the Sybil attack , the malicious node list requester accepts MRPLY from and via the nodes present in its NCL as well as it would not update the NCL from the MRPLY because the nodes might spoof its identity in order to forge the MRPLY. The malicious node list requester ﬂushes the mapping and faulty table immediately after broadcasting the MREQ during the next cycle in order to hold the new malicious node list and misbehaving nodes because the node which is identiﬁed as a misbehaving node during the last cycle at time t may not hold true after t + 1 time due to reintroduction of misbehaving nodes as described in section 3.
Advances in Network Security and Applications: 4th International Conference, CNSA 2011, Chennai, India, July 15-17, 2011 by Hiran V. Nath (auth.), David C. Wyld, Michal Wozniak, Nabendu Chaki, Natarajan Meghanathan, Dhinaharan Nagamalai (eds.)