A privacy-preserving smart metering system

Nyam, Mong Li (2016) A privacy-preserving smart metering system. Project Report. Melaka, Malaysia, Universiti Teknikal Malaysia Melaka. (Submitted)

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Abstract

Smart metering system is gaining more popularity as such a system improve energy consumption by the user. Through such a system, the users can monitor their daily energy usage. Nevertheless, such a system discloses user information to the processor, thus breach the privacy of the users. In order to prevent such a privacy breach, we propose a system which implements homomorphic encryption properties. The system is coded using Java language since it is a multiplatform compatible programming language. The methodology used is a waterfall model, which is a sequential manner that must be proceeds from one phase to next phase. Besides that, it emphasizes on documentation as well as source code. In my system, RSA (Rivest-Shamir-Adleman) encryption is used only for initial processing to secure the key for sharing purposes. The homomorphic encryption allows specific type of computations such as addition and multiplication on cipher-text without decryption. The purpose of this system is to provide security on data and protects content of message by helping it secure from unintended audiences although it is being processed by an aggregator. Hence, such a scheme prevents aggregator to disclose users‟ information to outsiders so as to guarantee users‟ privacy, confidentiality and integrity. Furthermore, this scheme prevents an attacker from tampering and altering the data since the data is in encrypted form.

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