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A Low-Power Authentication IC for Visible-Light-Based Interrogation
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DOI：10.1109/TIE.2021.3063965.png)
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Abstract
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Y This article presents an integrated circuits (ICs) for authentication with visible-light-based interrogation. The design uses an on-chip DC-DC boost regulator that wakes up and supplies remaining circuits via visible light upon interrogation. The data transfer is also performed via visible-light-based communication using on-chip photodiodes. An on-chip PRINCE cipher is used for encryption to provide counterfeit resistance. A prototype test-chip fabricated in 65 nm complementary metal-oxcide-semiconductor (CMOS) consumes 2.29 mu W standby power and achieves 53.8 kb/s data receive rate demonstrating ultralow-power interrogation. Measurements of electromagnetic emission-based side-channel attack show that 280000 encryptions are necessary to reveal the secret key of the tag.
Keywords:
Amplitude modulation
authentication
energy harvesting
side-channel attacks (SCAs)
system on chip
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