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Secondly, IoT devices are compact in scale and may be incorporated with other systems or may found as individual devices as CCTV camera and they are used in a wide range of applications which caused IoT device constrain nature. The application of IoT device determines the hardware requirement and limitations. In terms of embedding these devices, the broad variety of used parts and resources are a positive feature which makes them applicable in a wide range of applications and environments, but in the other hand the drawback is that each IoT device requires a customized encryption technique as the architecture and the used parts vary from one device to another.
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IEEE/ICACT20210256 Slide.08
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