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2020-01-27
Benmalek, Mourad, Challal, Yacine, Derhab, Abdelouahid.  2019.  An Improved Key Graph Based Key Management Scheme for Smart Grid AMI Systems. 2019 IEEE Wireless Communications and Networking Conference (WCNC). :1–6.

In this paper, we focus on versatile and scalable key management for Advanced Metering Infrastructure (AMI) in Smart Grid (SG). We show that a recently proposed key graph based scheme for AMI systems (VerSAMI) suffers from efficiency flaws in its broadcast key management protocol. Then, we propose a new key management scheme (iVerSAMI) by modifying VerSAMI's key graph structure and proposing a new broadcast key update process. We analyze security and performance of the proposed broadcast key management in details to show that iVerSAMI is secure and efficient in terms of storage and communication overheads.

2018-05-30
Chang, S. H., William, T., Wu, W. Z., Cheng, B. C., Chen, H., Hsu, P. H..  2017.  Design of an Authentication and Key Management System for a Smart Meter Gateway in AMI. 2017 IEEE 6th Global Conference on Consumer Electronics (GCCE). :1–2.

By applying power usage statistics from smart meters, users are able to save energy in their homes or control smart appliances via home automation systems. However, owing to security and privacy concerns, it is recommended that smart meters (SM) should not have direct communication with smart appliances. In this paper, we propose a design for a smart meter gateway (SMGW) associated with a two-phase authentication mechanism and key management scheme to link a smart grid with smart appliances. With placement of the SMGW, we can reduce the design complexity of SMs as well as enhance the strength of security.