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When we began investigating why IoT designers are unable to choose an appropriate encryption method for their device, we discovered that there are numerous reasons related to IoT itself, including the fact that IoT devices are heterogeneous and can be deployed in a wide variety of applications, resulting in a lack of standardization. Where the background of the IoT device designer is also one of the factors since they come from an embedded device background where security is not a concern due to their work in isolated systems.
Cost effectiveness is also an issue, as one sensor that cost 100,000 Euros in 1960 cost 0.002 Euros in 2010. Price declines dissuaded Internet of Things developers from investing in security research.
The range of encryption approaches classified into several classes is another reason why IoT device designers struggle to pick the appropriate encryption for their device.
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IEEE/ICACT20220335 Slide.03
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