By Theofilos Chrysikos, Tasos Dagiuklas, Stavros Kotsopoulos (auth.), Qijun Gu, Wanyu Zang, Meng Yu (eds.)
This e-book constitutes the complaints of the 1st overseas ICST Workshop, SEWCN 2009, held in Athens, Greece, in September 2009.
The workshop emphasizes on new principles for safe architectures and protocols to augment the rising instant structures. The 7 chosen complete papers disguise themes on utilized cryptography, key administration, vulnerability research, privateness, authentication, and intrusion detection for rising instant systems.
Read or Download Security in Emerging Wireless Communication and Networking Systems: First International ICST Workshop, SEWCN 2009, Athens, Greece, September 14, 2009, Revised Selected Papers PDF
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Additional resources for Security in Emerging Wireless Communication and Networking Systems: First International ICST Workshop, SEWCN 2009, Athens, Greece, September 14, 2009, Revised Selected Papers
In: Proceedings of First IEEE International Workshop on Pervasive Computing and Communication Security, PerSec (2004) 14. : Mix-Zones for Location Privacy in Vehicular Networks (2007) 15. : A peer-to-peer spatial cloaking algorithm for anonymous location-based service. In: Proceedings of the 14th annual ACM international symposium on Advances in geographic information systems, pp. 171–178 (2006) 16. : GSIS: A Secure and Privacy-Preserving Protocol for Vehicular Communications. IEEE Transactions on Vehicular Technology 56, 3442–3456 (2007) 17.
Rekeying is generally used in cryptography to limit the amount of data encrypted under the same key. A key exchange protocol is usually employed to negotiate the new key. In our case, the rekeying is used to update one of the internal values of the PRNG state. This process should introduce enough randomness in the new key, but the authors proposed the CRC of the transmitted/received packets, and as source of randomness it is not good enough. This Security Flaws in SR-PRNG 31 choice presents three main problems: 1) The CRC is not a good source of randomness, as revealed by the statistical properties of the sequences analyzed; 2) The rekeying process increments both the computational load and the power consumption, and signiﬁcantly reduces the throughput.
150160 variable A and compute its CRC. The key is ﬁnally updated by computing the XOR between the actual key and the result obtained from the CRC. Once the rekeying algorithm is deﬁned, we generate two ﬁles of 300MBytes, in the ﬁrst of these ﬁles the rekeying is ﬁxed to 10 (rk = 10) and in the second to 100 (rk = 100). If rk > 100, the results are catastrophic and are laking in interest. We analyze each of these ﬁles with the ENT battery as Seetharam and Rhee did. The results obtained are presented in Table 1.
Security in Emerging Wireless Communication and Networking Systems: First International ICST Workshop, SEWCN 2009, Athens, Greece, September 14, 2009, Revised Selected Papers by Theofilos Chrysikos, Tasos Dagiuklas, Stavros Kotsopoulos (auth.), Qijun Gu, Wanyu Zang, Meng Yu (eds.)