Smart metering was initially used for electricity and natural gas. Smart water meters (SWMs) have attracted much attention in recent years. SWMs are installed in users' homes to collect users with water consumption information. However, SWMs real-time data collection can reveal users' private information. The paper proposes a secure smart water meter data aggregation scheme based on edge computing. The solution adopts Boneh-Goh-Nissim cryptosystem, BLS short signature and edge computing to protect users' privacy information. It can resist various attacks and protect the water consumption data of users from being leaked. The solution can resist various attacks while protecting the user's water consumption data information from being leaked. The performance evaluation shows that the communication cost of this scheme are lower than those of the existing schemes.
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