Scenario and countermeasure for replay attack using join request messages in LoRaWAN

S.‐J. NA, DongYeop Hwang, Woonseob Shin, +1

EngineeringInformation SecurityIot CommunicationJoin Request MessagesComputer Engineering +9

An OAuth based authentication mechanism for IoT networks

S. Emerson, Young‐Kyu Choi, DongYeop Hwang, +2

Lightweight Authentication MechanismAuthentication MechanismSecurity ManagerIot NetworkSecure Authentication Mechanism +12

Risk analysis and countermeasure for bit-flipping attack in LoRaWAN

Jungwoon Lee, DongYeop Hwang, Jihong Park, +1

EngineeringInformation SecurityIot CommunicationIot ProtocolIot Security +14

Escalator: An Autonomous Scheduling Scheme for Convergecast in TSCH

Sukho Oh, DongYeop Hwang, Ki‐Hyung Kim, +1

Sensors

Mathematical ProgrammingEngineeringWireless RoutingRouting ProtocolScheduling Problem +13

A TOTP-Based Two Factor Authentication Scheme for Hyperledger Fabric Blockchain

Woo-Suk Park, DongYeop Hwang, Ki‐Hyung Kim

Authentication AuthorizationFactor Authentication SchemeEngineeringAuthentication VulnerabilityJwt Authentication Method +7

Dynamic Access Control Scheme for IoT Devices using Blockchain

DongYeop Hwang, Jungyong Choi, Ki‐Hyung Kim

EngineeringDirect Data CommunicationInformation SecurityIot CommunicationIot Protocol +15

Blockchain-Based Management of Video Surveillance Systems

Yena Jeong, DongYeop Hwang, Ki‐Hyung Kim

Hardware SecurityBlockchain-based ManagementFintechBlockchain NetworkVideo Surveillance System +10

A hybrid mode to enhance the downward route performance in routing protocol for low power and lossy networks

Sukho Oh, DongYeop Hwang, Kangseok Kim, +1

International Journal of Distributed Sensor Networks

Low PowerNetwork Routing AlgorithmEngineeringEdge ComputingRouter Architecture +13

Improving TDoA Based Positioning Accuracy Using Machine Learning in a LoRaWan Environment

JaeSik Cho, DongYeop Hwang, Ki‐Hyung Kim

Low PowerRf LocalizationEngineeringLocation EstimationLocation Awareness +13

Attribute-Based Access Control(ABAC) with Decentralized Identifier in the Blockchain-Based Energy Transaction Platform

Beomseok Kim, Woonseob Shin, DongYeop Hwang, +1

EngineeringInformation SecurityIct TechnologyData-centric SecurityLogical Access Control +16