Abstract
As cloud computing has many advantages such as large storage capacity, low cost and scalability, more and more patients prefer to store their health data in cloud to share with physicians, researchers or other users. However, storing shared data in remote cloud is out of patient's control and exposes to lots of security problems such as privacy and data integrity. So far, more and more data sharing schemes to preserve data security in health field have been put forward, but in most of them, data encryption and decryption are completely implemented by terminal devices, which increases the communication and computation burden of patient and user. Furthermore, most sharing schemes have no integrity verification mechanism, resulting in incomplete data for users to share. To solve the problems, we propose a secure and lightweight data sharing scheme for Internet of Medical Things. Firstly, the scheme guarantees the privacy and authorized access of shared data. Secondly, the scheme realizes efficient integrity verification before user downloads shared data to avoid incorrect query or computation result. Finally, the scheme achieves lightweight operations of patient and user.
Highlights
With the rapid development of information technology, Internet of Medical Things (IoMT) has been widely applied in the field of health care [1]–[5]
1) The scheme guarantees the privacy of patient and authorized access of shared data based on identity-based broadcast encryption
3) We prove the security of the sharing scheme and evaluate the computation and communication cost of patient and user side
Summary
With the rapid development of information technology, Internet of Medical Things (IoMT) has been widely applied in the field of health care [1]–[5]. Storing sensitive health data in cloud can bring some security and privacy issues [13]–[19]. It is extremely important to ensure the integrity of shared health data stored in cloud storage servers [20]–[21]. It is essential to propose a secure and lightweight data-sharing scheme for IoMT. A. MAIN CONTRIBUTIONS In order to improve the computation efficiency of terminal devices in IoMT and guarantee the security and privacy of shared data, we construct a secure and lightweight data. Cheng: Secure and Lightweight Data Sharing Scheme for IoMT sharing scheme for Internet of Medical Things. 1) The scheme guarantees the privacy of patient and authorized access of shared data based on identity-based broadcast encryption. 3) We prove the security of the sharing scheme and evaluate the computation and communication cost of patient and user side.
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