Co-PIs: Dr. I-En Liao, CSE Department, National Chung Hsing University Dr. Gwoboa Horng, CSE Department, National Chung Hsing University Dr. Chung-Ming.

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Presentation transcript:

Co-PIs: Dr. I-En Liao, CSE Department, National Chung Hsing University Dr. Gwoboa Horng, CSE Department, National Chung Hsing University Dr. Chung-Ming Wang, CSE Department, National Chung Hsing University Dr. Pi-chung Wang, CSE Department, National Chung Hsing University Dr. Huan Chen, CSE Department, National Chung Hsing University Dr. Yao-Chung Fan, CSE Department, National Chung Hsing University Dr. Wei-Chih Hong, Department of Information Engineering and Computer Science, Feng Chia University

Privacy is the interest that individuals have in sustaining a 'personal space', free from interference by other people and organizations. Privacy of the Person Privacy of Personal Behavior Privacy of Personal Communications Privacy of Data 2

3 The activity pattern of a user can be detected by analyzing the power meter data. Furthermore, using some statistical method, one can even deduct about what devices were in use at any given time

4 Meter 2 Meter 1 Meter m …… V 1 (t) V 2 (t) V m (t) Constraints  The network communication is not secure, and we do not wish the individual power reading V i (t) to be known by third party.  Due to device hardware limitation, the powerful secure communication protocols are prohibited.  For the power management and load monitoring needs, the administrator node needs only the aggregated value for all t. Aggregated Value

Side Channel Analysis Types of side channels

Meter 2 Meter 1 Meter m …… V 1 (t) V 2 (t) V m (t) Sink Lightweight Cryptographic and Steganographic Schemes Concealed and Disguised Data Aggregation Data Center

Efficient mapping of SCA resistance validation for smart meters Intermediate values Side-channel traces statistical significance