Abstract
Smart home uses remote access and control technologies, but there is a risk that user identities are easily spoofed, user information is easily captured, and home gateways are vulnerable. Based on the blockchain, a smart home remote access and control scheme is proposed. The scheme ensures the secure access and control of the home device by the smart home user and the secure communication of the home gateway by combining the blockchain, group signature and message authentication code technology (MAC). The security analysis shows that the scheme has security features such as non-tamperable, anti-replay attack and anti-DDos attack. Compared with other schemes, the scheme has obvious advantages compared with other schemes.
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