Work
AutoCrypt
The following includes development work and products and projects under my responsibility as Head of the CAM Laboratory.
- V2X Security S/W for End-Entity and PKI, 2020. 03. ~
- End-entity security software and PKI, including certificate lifecycle management and platform integration.
- C++, C, Linux
- CCC Digital Key (Vehicle OEM Server), 2020. 09. ~
- Vehicle OEM Server development, including key sharing and key termination.
- Java Spring Framework, AWS
- Vehicle PKI
- X.509 certificate lifecycle management, CRL/OCSP, and HSM integration.
- Plug & Charge PKI
- PKI systems for ISO 15118-based Plug & Charge, including OEM PKI and vehicle key provisioning.
- Mobility Services
- Redevelopment and maintenance of mobility services, including reservation, dispatch, and mobile applications.
- V2X Tolling Demonstration
- SAE J3217-based tolling demonstration with OBU/RSU, mobile application, and back-office integration.
- Demonstrated at the 5GAA event in February 2026.
- Internal AI Platform & Agents
- Concurrent role as AI Task Force Lead.
- Development of an internal AI gateway and agents for knowledge retrieval, PR review, and engineering workflows.
Myongji University
- 블록체인기반 인증 프로토콜 개발, 롯데정보통신, 2018. 03. ~ 2018. 07.
- 양자컴퓨터에 대응 가능한 해시함수 기반의 암호 인증 체계의 구현
- 포스트-양자암호 SPHINCS+ 및 국산 LSH 해시 이용
- 포스트-양자암호 암호모듈 개발, 롯데정보통신, 2018. 09. ~ 2019. 03.
- 포스트-양자암호 SPHINCS+의 Java 모듈 개발(BouncyCastle 호환), demo page
- OCF(Open Connectivity Foundation) 참고 구현 개발, 펜타시큐리티, 2019. 08. ~ 2019. 12.
- Manufacturer Certificate Based OTM 등이 수행 가능한 OCF Server – Client 쌍 구현, presentation
- Threshold EdDSA C 모듈 개발, 펜타시큐리티, 2019. 12. ~ 2020. 01.
- Provably Secure Distributed Schnorr Signatures and a (t, n) Threshold Scheme for Implicit Certificates 및 Fast Multiparty Threshold ECDSA with Fast Trustless Setup 논문을 이용한 Threshold EdDSA C 모듈 개발, presentation
DGIST
- 동반진단기반 정밀의료기술연구, DGIST, 2017. 03. ~ 2017.12.
- 머신러닝용 연구 서버 구축 및 머신러닝 연구
POSTECH
-
Teaching Assistance — Information Security Laboratory
- Mathematics for Electronics (전자수학), 2011, 1st semester
- Fundamental Security (전산보안개론), 2012, 2nd semester
- Information and Communication Security (정보 및 통신 보안), 2015, 2nd semester
- Special Class for Information Protection (정보보호특강), 2016, 1st semester
-
Journal Editing (Assistant), Information Security Laboratory
- The Computer Journal, SCI, 2015. 03. ~ 2016. 12.
-
Paper Review (Assistant)
- World Conference on Information Security Applications (WISA)
- International Conference on Information Security and Cryptology (ICISC)
- Africacrypt
- Security Standardization Research (SSR)
-
Workshop among Asia Information Security Labs — WAIS 5th, 6th & 8th
- 5th (WAIS 2012), POSTECH, 2012. 01., presentation
- 6th (WAIS 2013), Nagasaki Univ., 2013. 01., presentation
- 8th (WAIS 2015), Korea Univ., 2015. 01., presentation
-
Information Technology Research Center (ITRC), under Korea University.
- ITRC 2013, Korea Univ., 2013., presentation
-
Article
- 포스텍 소식지 18호 참여, 2017.
-
2012 POSTECH-KAIST Science War
Other Research Projects
- 의료-IT 융합 서비스를 위한 보안 기술 연구(Research for Medical-IT Convergence Service), DGIST, 2011-2012.
- 암호화된 미디어 송수신을 위한 .NET Server 및 Android 어플리케이션 제작
- Bitcoin Money Laundry Detection System, Confidential, 2016. 08. ~ 2017. 02.
- 비트코인 돈세탁 의심도 정량화 및 비트코인 계좌간 관련성 분석 도구 연구, 한국정보보호학회 암호연구회, 2016. 02. ~ 2016. 12., page
Standards
- ISO/IEC Editing Assistant (~ 2017. 02.)
- 20009-1 (1st CD ~) (2012. 03. ~)
- 20009-2 (1st CD ~) (2012. 04. ~)
- Made numerical examples
- 14888-3 Digital Signature with appendix (2013. 06. ~ 2017. 02.)
- Made numerical examples
- Telecommunications Technology Association (TTA)
- TTAK.KO-12.0001/R3 (KCDSA), 부가형 전자 서명 방식 표준 – 제 2부: 한국형 인증서 기반 전자 서명 알고리즘(KCDSA)
- Made numerical examples
- TTAK.KO-12.0015/R1 (EC-KCDSA), 부가형 전자 서명 방식 표준 – 제 3부: 타원 곡선을 이용한 인증서 기반 전자 서명 알고리즘 (EC-KCDSA)
- Made numerical examples
- TTAK.KO-12.0001/R3 (KCDSA), 부가형 전자 서명 방식 표준 – 제 2부: 한국형 인증서 기반 전자 서명 알고리즘(KCDSA)
- IEEE 1609 WG (2020. 03. ~)