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Efficient Access Control Scheme with Certificateless Signcryption for Wireless Body Area Networks

摘要


Wireless body area networks (WBANs) can collect patients' vital data of body parameters and environment parameters via small wearable or implantable sensors. To ensure the security of the vital data, an efficient access control scheme with certificateless signcryption(CLSC) is designed. The correctness of the scheme is proved by mathematical calculation. It also proves that the scheme offers confidentiality and unforgeability in the random oracle model on the basis of the hardness of the Computational Diffie-Hellman (CDH) problem and Discrete Logarithm (DL) problem respectively. Compared with the existing three access control schemes utilizing signcryption, the scheme can satisfy more security properties and has the shortest computational time and the least energy consumption for the controller.

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