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Improving the Security and Privacy of Edge Devices Through Blockchain
Maria Leopoldina
(Autor)
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· Tapa Blanda
Improving the Security and Privacy of Edge Devices Through Blockchain - Leopoldina, Maria
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Reseña del libro "Improving the Security and Privacy of Edge Devices Through Blockchain"
The world of IoT existence is wholly being built on the communication and the interconnectionof things. Thing are nothing but edge devices which form the core element of IoT. From devicethat have sensors in the farm that accept data as input to mobile in our pockets or to pacemakersin the human heart are all innovative IoT devices that have today integrated in our lives. The ideaof designing an edge device would moves form a mechanical electrical machine or device to anautomatized electronic device. The electronic device soon transcended to use digital signal for itsworking and were programmed to become smart devices. The electronic embedded device wasattached to the Internet thus developing the IoT network. IoT network has a continuum to datatransiting for one device to the next. Initially most of this data is open, unprotected and in theclear text form since these devices are low level computing device with less power and memory.The 6LoWPAN, NFC, RFID, Bluetooth, Wi-Fi or Zigbee were the types of the communicationused by them. It has been seen that in spite of various message protocols the basic comminationbetween the edge device has been the TCP and the UDP Communication protocol. The data wasalways venerable to attack by malicious users. One of the solutions to provide protection to thedata was encryption of the plain text by encryption techniques before the data could be send forone device to another. The research work is aimed to find out different was to improve andimplement security on the edge devices. This is done by creating a proposed prototype whichconsist of raspberry pi that implemented smart homes. Experiments were carried out to checkcommunication between them, encrypting the data on transit, using symmetric and will alightweight cryptographic algorithm. The experiments use PRESENT and AES algorithms toprove it. The system was breached to test the Ping of death and Smurf attack as DOS attack. TheSniffing for the password was done by Wireshark that also helped in the monitoring of thenetwork. Thus, proving that encryption was a good solution for implementing security but thenetwork was venerable to DOS and DDOS attack. In the objective to improving the security andprivacy of edge device the research work opened avenue of using block chain a concept ofimplementing security by constructing two contract that were linked with each other. One was adevice contract that would automatically get an agreement contract by a miner what could beanother device attached to it. It would act an authenticator and generate a key for the device. Ifthe device would want to communicate it would with the key. The transactions of the device andwell as the agreement were stored in the local store. The concept help to encrypt the data withinthe transaction while the sender and the receiver addresses are hashed which is the securitybenefits of the block chain.
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