Internet of things IoT 5 Application programs 4 Application programming interfaces (API) 2 Application specific integrated circuits 2 Artificial intelligence 2 Authentication 2 Chip based 2 Costs 2 CryptoGraphics 2 Cryptographic algorithms 2 Cryptography 2 Edge computing 2 Energy efficiency 2 Hardware architecture 2 Integrated circuit design 2 Learning systems 2 Light-weight cryptography 2 Lightweight systems 2 Low-cost devices 2 Memory capacity 2 Nonlinear programming 2 Processing power 2 Program processors 2 Programmable logic controllers 2 Quality of service 2 Smart city 2 SoC 2 Software defined networking 2 Software testing 2