Experience

Post-doctoral Research Fellow in School of Electrical and Electronic Engineering

Mar. 2024 - Feb. 2025

Yonsei University, Seoul, Korea

(Advisor: Prof. Jemin Lee)

Visiting Ph.D. Student

Dec. 2018

National Sun Yat-sen University (NSYSU), Kaohsiung, Taiwan

(Advisor: Prof. Ruei-Hau Hsu)

Education

Ph. D. in Electrical Engineering and Computer Science

Mar. 2018 - Feb. 2024

Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Korea

Dissertation: Fine-grained Access Control Design for Secure Vehicular Communications

(Advisor: Prof. Jemin Lee)

B.E. in School of Undergraduate Studies

Mar. 2014 - Feb. 2018

Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Korea

Research Interests

• Cryptography

• Cryptographic protocols

• Network and communication security

• Vehicle security and privacy

• IoT security and privacy

Publications

*: Corresponding author

International Journal Papers

• D. Yu and S. Lee, "Blockchain-Token Based Lightweight Handover Authentication Framework," to be submitted.

• D. Yu, R.-H. Hsu, and J. Lee*, "Privacy-preserving Attribute-based Encryption with Bidirectional Access Control," to be submitted.

• J.-Y Guo, C.-H Tan, J. Lee, D. Yu, and R.-H Hsu*, "Cross-domain Fine-grained Access Control Framework for Secure Internet-of-Things Data Sharing in Metaverse," IEEE Transactions on Dependable and Secure Computing, submitted. (Top 10% Journal in JCR)

• D. Yu, R.-H. Hsu, and J. Lee*, "Location-encapsulated attribute-based encryption supporting user mobility," IEEE Transactions on Dependable and Secure Computing, submitted. (Top 10% Journal in JCR)

• W. Jeon, D. Yu, R.-H. Hsu, and J. Lee*, "Secure Data Sharing Framework with Fine-grained Access Control and Privacy Protection for IoT Data Marketplace," IEEE Transactions on Network and Service Management, revised. (Top 20% Journal in JCR)
  (W. Jeon and D. Yu contributed equally to this work.)

• D. Yu, S. Yun, and J. Lee*, "Secure and Efficient Communications with Fine-grained Access Control in Underwater Wireless Sensor Networks," ICT Express, vol. 10, no. 4, pp. 851-856, Aug. 2024.

• D. Yu, S. Lee, R.-H. Hsu, and J. Lee*, "Ensuring End-to-End Security with Fine-grained Access Control for Connected and Autonomous Vehicles," IEEE Transactions on Information Forensics and Security, vol. 19, pp. 6962-6977, Jul. 2024. (Top 10% Journal in JCR)

• D. Yu, R.-H. Hsu, J. Lee*, and S. Lee, "EC-SVC: Secure Can Bus In-vehicle Communications with Fine-grained Access Control Based on Edge Computing," IEEE Transactions on Information Forensics and Security, vol. 17, pp. 1388-1403, Feb. 2022. (Top 10% Journal in JCR)

International Conference Papers

• D. Yu and J. Lee*, "Challenges in Secure Underwater Wireless Sensor Network with Fine-grained Access Control," in Proc. Int. Conf. Inf. Commun. Technol. Converg. (ICTC), Jeju Island, Korea, Oct. 2023, pp. 1-3.

Domestic Conference Papers

• 이서준, 장현지, 최주언, 유동현*, "사용자 친화형 이미지 보안 시스템의 설계," Annual Symposium of KIPS (ASK), 대구, 대한민국, 2025 5월, pp. 1-2.

• 전우진, 유동현, 이제민*, "속성 숨김 및 효율적인 매치 테스트를 지원하는 속성 기반 IoT 데이터 공유 프로토콜," 한국통신학회 동계종합학술발표회, 평창, 대한민국, 2023 2월, pp. 1-2.

• W. Jeon, D. Yu, and J. Lee, “데이터 프라이버시를 보장하는 효율적인 속성 기반 IoT 데이터 공유 프로토콜,” The 32nd Joint Conference on Communications and Information (JCCI), Apr. 2022.

• 유동현, 이제민*, "Access Control 을 지원하는 Edge Computing 기반 차량 내부 보안 프로토콜," 한국통신학회 하계종합학술발표회, 제주, 대한민국, 2019 6월, pp. 1-2.

Patents

• D. Yu, J. Lee, and S. Lee, "커넥티드 카 내 통신 방법 및 시스템" South Korea Patent Application  10-2024-0126934, Sep. 19, 2024.

• W. Jeon, D. Yu, R.-H Hsu, J. Lee, and J. Choi, “속성 기반 접근 제어를 지원하는 실시간 IoT 데이터 공유 시스템 및 그 방법” PCT Patent Application PCT-KR2022-013866, Sep 16, 2022.

• W. Jeon, D. Yu, R.-H Hsu, J. Lee, and J. Choi, “속성 기반 접근 제어를 지원하는 실시간 IoT 데이터 공유 시스템 및 그 방법” South Korea Patent 10-2629617, Jan 22, 2024 (South Korea Patent Application 10-2021-0186293, Dec 23, 2021).

• D. Yu, J. Lee, and R.-H Hsu, “속성 기반 접근 제어를 이용하는 엣지 컴퓨팅 기반의 차량-내 통신 시스템 및 그 방법” South Korea Patent 10-2400260, May 17, 2022 (South Korea Patent Application 10-2020-0097834, Aug. 5, 2020).

Projects

• InSeCT Research Laboratory (지능형 보안 수중 통신 특화연구실)

  • Graduate Research Assistant, KRIT (국방기술진흥연구소), Dec. 2022 - Dec. 2027

• Development of Attack Response and Intelligent RSU Technology for Vehicle Security Threat Prevention (차량 보안 위협 방지를 위한 공격 대응 및 지능형 RSU 기술 개발)

  • Graduate Research Assistant, IITP (정보통신기획평가원), Apr. 2021 - Dec. 2024

• Human-centric CPS (인간중심 CPS 연구) 

  • Graduate Research Assistant, DGIST, Mar. 2018 - Dec. 2018

Teaching Experience

• Undergraduate Course

  • SAI0035 암호학개론

    • Chonnam National University (Spring 2025)

  • SAI0033 애플리케이션 보안

    • Chonnam National University (Spring 2025)

• Teaching Assistant

  • IC618 Introduction to Computer and Network Security 

    • Teaching Assistant, DGIST (Spring 2020)

  • SE202 Integrated Engineering Mathematics (Recitation)

    • Teaching Assistant, DGIST (Fall 2019)