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  • 标题:Load Balanced Routing using OSPF
  • 本地全文:下载
  • 作者:Ritesh Dayama ; S. P. Pingat
  • 期刊名称:International Journal on Computer Science and Engineering
  • 印刷版ISSN:2229-5631
  • 电子版ISSN:0975-3397
  • 出版年度:2011
  • 卷号:3
  • 期号:8
  • 页码:3013-3018
  • 出版社:Engg Journals Publications
  • 摘要:The sensor nodes are resource-limited wireless devices; therefore the designing of protocols for WSNs (Wireless Sensor Networks) which are cost-efficient and secure is a major challenging problem in today�s networking and mobile computing area. The communication cost is the most important factor in the sensor�s energy consumption; here we are introducing a virtual energy-efficient encryption scheme for WSNs which reduces the transmissions between nodes which are required for rekeying to avoid stale keys. The main goal is to save energy in WSNs besides this we have minimal transmission is also imperative in some military applications of WSNs in which the adversary could be monitoring the wireless spectrum. This energy-efficient encryption is a secure communication framework in which an algorithm is used to encode the sensed data. This algorithm is worked based on a permutation codes generated via RC5 Encryption mechanism. The key to RC5 algorithm encrypts blocks of plaintext of length 32 bits into blocks of cipher text of the same length. And the key length ranges from 0 to 2040 bits. Thus, the key will be changed for every packet and different keys are used for successive packets. In this paper, we used the above algorithm to send the messages secretly in military applications while the wireless spectrum is adversely monitoring by the enemies.
  • 关键词:Wireless Sensor Networks; Security; WSN security; wireless spectrum.
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