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Invited paper: Ultra-low energy security circuit primitives for IoT platforms

Low-area energy-efficient security primitives are key building blocks for enabling end-to-end content protection, user authentication in IoT platforms. This paper describes 3 designs that employ energy-efficient circuit techniques with optimal hardware-friendly arithmetic for seamless integration into area/battery constrained IoT systems: 1) A 2040-gate AES accelerator achieving 289Gbps/W efficiency in 22nm CMOS, 2) Hardened hybrid Physically Unclonable Function (PUF) circuit to generate a 100% stable encryption key. 3) All-digital TRNG to achieve >0.99 min-entropy with 3pJ/bit energy-efficiency.