TY - GEN
T1 - An efficient key distribution scheme for heterogeneous sensor networks
AU - Hussain, Sajid
AU - Kausar, Firdous
AU - Masood, Ashraf
PY - 2007
Y1 - 2007
N2 - Key distribution refers to the problem of establishing shared secrets on sensor nodes such that secret symmetric keys for communication privacy, integrity and authenticity can be generated. In a wireless sensor network, pre-distribution of secret keys is possibly the most practical approach to protect network communications but it is difficult due to the ad hoc nature, intermittent connectivity, and resource limitations of the sensor networks. In this paper, we propose a key distribution scheme based on random key pre-distribution for heterogeneous sensor network (HSN) to achieve better performance and security as compared to homogeneous network which suffer from high communication overhead, computation overhead, and/or high storage requirements. In a key generation process, instead of generating a large pool of random keys, a key pool is represented by a small number of generation keys. For a given generation key and publicly known seed value, a one-way hash function generates a key chain, and these key chains collectively make a key pool. Each sensor node is assigned a small number of randomly selected generation keys. The proposed scheme reduces the storage requirements while maintaining the same security strength.
AB - Key distribution refers to the problem of establishing shared secrets on sensor nodes such that secret symmetric keys for communication privacy, integrity and authenticity can be generated. In a wireless sensor network, pre-distribution of secret keys is possibly the most practical approach to protect network communications but it is difficult due to the ad hoc nature, intermittent connectivity, and resource limitations of the sensor networks. In this paper, we propose a key distribution scheme based on random key pre-distribution for heterogeneous sensor network (HSN) to achieve better performance and security as compared to homogeneous network which suffer from high communication overhead, computation overhead, and/or high storage requirements. In a key generation process, instead of generating a large pool of random keys, a key pool is represented by a small number of generation keys. For a given generation key and publicly known seed value, a one-way hash function generates a key chain, and these key chains collectively make a key pool. Each sensor node is assigned a small number of randomly selected generation keys. The proposed scheme reduces the storage requirements while maintaining the same security strength.
KW - Heterogeneous sensor networks
KW - Key distribution
KW - Random key pre-distribution
KW - Security
UR - http://www.scopus.com/inward/record.url?scp=36849060191&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=36849060191&partnerID=8YFLogxK
U2 - 10.1145/1280940.1281023
DO - 10.1145/1280940.1281023
M3 - Conference contribution
AN - SCOPUS:36849060191
SN - 1595936955
SN - 9781595936950
T3 - IWCMC 2007: Proceedings of the 2007 International Wireless Communications and Mobile Computing Conference
SP - 388
EP - 392
BT - IWCMC 2007
T2 - IWCMC 2007: 2007 International Wireless Communications and Mobile Computing Conference
Y2 - 12 August 2007 through 16 August 2007
ER -