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논문검색

스마트융합콘텐츠 논문지

e-ISSN : 2951-2514

디지털헬스케어 환경에서 IoT 기기 간 블록체인 기반의 안전한 인증 방법
연도 : 2024
vol / no : 3 / 1
저자 : 최정희
page : 32-38
최근 사물인터넷(IoT) 기술이 의료 산업에 활용되면서 다양한 스마트 웨어러블 디바이스(스마트 이어, 워치, 밴드, 글래스, 헤드 마운트 디스플레이등)이 개발되었고, 이러한 웨어러블 디바이스를 통해 개개인 스스로 헬스 케어가 가능하게 되었다. IoT 기기의 이동성과 경량성의 특징에 따라 어디에서나 누구든지 자신의 건강 상태 측정·전송·저장이 가능하게 되었으나 저전력을 사용하는 IoT 기기는 공개키(RSA)와 같이 높은 수준의 암호화 기법은 사용할 수 없다. 따라서 IoT 기기에 탑재할 수 있는 안전하고 경량화된 암호 알고리즘이 필요하다. 본 논문에서는 RSA와 같은 비대칭 암호 알고리즘보다 작은 크기의 키로 동일 보안 강도를 갖는 타원곡선 암호(ECC) 알고리즘을 기반으로 IoT 기기 간 안전하고 효율적인 인증기법을 제안하였다.

Recently, various smart wearable devices (smart ears, watches, bands, glasses, head mounted displays, etc.) have been developed as Internet of Things (IoT) technology has been utilized in the medical industry. Through these wearable devices, individual healthcare has become possible on their own. Depending on the mobility and lightweight characteristics of IoT devices, anyone can measure, transmit, and store their health status anywhere, but IoT devices using low power cannot use high-level encryption techniques such as public keys (RSA). Therefore, it is a need for a secure and lightweight encryption algorithm that can be mounted on IoT devices. In this paper, we proposed a secure and efficient authentication technique between IoT devices based on an elliptic curve cryptography (ECC) algorithm. ECC algorithm has the same security strength with a key smaller size than an asymmetric cipher algorithm such as RSA.
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