[논문]Secure Key Management Protocol in the Wireless Sensor Network

Jeong, Yoon-Su; Lee, Sang-Ho

doi:10.3745/jips.2006.2.1.048

Secure Key Management Protocol in the Wireless Sensor Network 원문보기

To achieve security in wireless sensor networks (WSN), it is important to be able to encrypt messages sent among sensor nodes. We propose a new cryptographic key management protocol, which is based on the clustering scheme but does not depend on the probabilistic key. The protocol can increase the efficiency to manage keys since, before distributing the keys by bootstrap, the use of public keys shared among nodes can eliminate the processes to send or to receive keys among the sensors. Also, to find any compromised nodes safely on the network, it solves safety problems by applying the functions of a lightweight attack-detection mechanism.

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문제 정의

The key management protocol proposed in this paper is aimed at efficiently clustering the sensor network between gate nodes with high energy. Using a symmetry key mechanism, the proposed protocol performs 4 subordinate protocols including key distribution/addition/abolition/renewal during the life cycle of the sensor network.

가설 설정

① Sensors: no assumption is made that the sensor is reliable or may be abused.

제안 방법

For the last one, all of the information should be decided in advance, but it is hard to obtain sufficient preliminary knowledge because it is arbitrarily made to install the sensor nodes. In this paper, the suggested technique uses the inter-sensor sharing public key during bootstrap before pre-disposition, so as not to require the sensor key transmission/reception process. Therefore, it is more effective in terms of key management than the existing technique.
nodes with high energy. Using a symmetry key mechanism, the proposed protocol performs 4 subordinate protocols including key distribution/addition/abolition/renewal during the life cycle of the sensor network. Each detailed subordinate approach method performs key management-related extensible calculating or the calling of a key-creating sensor.

이론/모형

However, the key management method has various drawbacks in that the confidentiality before and after key distribution is not guaranteed, it cannot nearly exists BS with stronger functions, and a large-scale sensor network environment is impossible to control. Based on the Eschenauer-Gigor technique, [2] applied a q-composite random key pre-distribution method to the technique in order to strengthen the security fbr the key set-up. However, this technique does not take sensor network features into consideration, but stochastically distributes the key, so that inter-sensor node public key is highly unlikely to exist.
In this paragraph, a new model developed by the Monarch Research Group at CMU (Carnegie Mellon University) for NS-2 simulation was used. The suggestion protocol uses an arbitrarily created model through an experiment scenario shown in Table 2 [2].

성능/효과

The hash function with the second preimage resistance with MD5 or SHA-1 reading and 64 bit-output (if we keep one of 64 bits) is tried 262 times on average, for an attacker to find the second secret key in a given IP area. Secondly, the result for the efficiency analysis found that when the number of nodes is smaller than 25, the suggestion technique is 4% higher than the pre-distribution method in terms of overhead, while the pre-distribution method is 1.5% higher on average than the suggestion technique in terms of overhead, when the number of nodes is greater than 25. In terms of the entire traffic overhead, the pre-distribution method is 0.

원문 URL 링크

DOI : 10.3745/JIPS.2006.2.1.048
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표제어: PCR

동의어: Packet Collision Rate

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용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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Secure Key Management Protocol in the Wireless Sensor Network 원문보기

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