DTLS based Security and Two-Way Authentication for the Internet of Things
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Figure
![Figure 1: A DTLS record protected with CBC block cipher [1]. ClientHello* ClientHelloVerify*ClientHelloFinished ChangeCipherSpecFinishedFlight 1Flight 3Flight 5 Flight 2Flight 4Flight 6ServerHello, Ceritifcate,](https://thumb-us.123doks.com/thumbv2/123dok_us/9782381.2469970/7.918.349.712.175.346/figure-protected-clienthello-clienthelloverify-clienthellofinished-changecipherspecfinishedflight-serverhello-ceritifcate.webp)
![Figure 3: Protocol stack used in our security architecture [1, 2]](https://thumb-us.123doks.com/thumbv2/123dok_us/9782381.2469970/9.918.345.573.214.377/figure-protocol-stack-used-security-architecture.webp)
![Figure 4: The overview of our proposed system architecture [2].](https://thumb-us.123doks.com/thumbv2/123dok_us/9782381.2469970/10.918.285.610.811.977/figure-overview-proposed-architecture.webp)
![Figure 5: Average (n=100) packet round-trip time for different plaintext sizes [1]](https://thumb-us.123doks.com/thumbv2/123dok_us/9782381.2469970/12.918.228.688.194.401/figure-average-packet-round-trip-different-plaintext-sizes.webp)
![Figure 6: Time to complete different types of DTLS handshakes [1].](https://thumb-us.123doks.com/thumbv2/123dok_us/9782381.2469970/14.918.262.655.195.458/figure-time-complete-different-types-dtls-handshakes.webp)
![Table 1: RAM and ROM usage by component [1, 2].](https://thumb-us.123doks.com/thumbv2/123dok_us/9782381.2469970/16.918.299.618.576.762/table-ram-rom-usage-component.webp)
![Table 2: Transaction time / energy consumption of DTLS handshake (2048-bit key) [1, 2]](https://thumb-us.123doks.com/thumbv2/123dok_us/9782381.2469970/17.918.209.700.394.575/table-transaction-time-energy-consumption-dtls-handshake-bit.webp)
![Figure 8: Current draw for a fully authenticated DTLS handshake [1, 2]](https://thumb-us.123doks.com/thumbv2/123dok_us/9782381.2469970/18.918.271.645.192.508/figure-current-draw-fully-authenticated-dtls-handshake.webp)
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