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China's medical healthcare system has witnessed a great evolution from clinical normalization phase to pervasive informatization phase. Unquestionably, emergence of IoT (Internet of things) technology contributes to the development of medical healthcare informatization. Yet, it is widely researched and accepted that privacy protection has become a bottleneck of smart medical healthcare nowadays. Consequently, how to protect the privacy of users' information in a smart healthcare system remains a pending problem. Under this background, this paper analyses the main problems in current smart healthcare system. Furthermore, a lightweight private homomorphism algorithm and an encryption algorithm improved from DES are designed when considering the characteristic of IoT and privacy protection. Finally, based on the above, we designed and completed a prototype system based on both software and hardware.
Gong et al. (Tue,) studied this question.
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