A new synchronization sequence generation and correlation output calculation method for heterogeneous network. - Wonjun Hwang; Donghoon Lee 007; Hyung-Jin Choi (ICTC, 2014)

Password-based single-file encryption and secure data deletion for solid-state drive. - Youngsung Choi; Donghoon Lee 007; Woongryul Jeon; Dongho Won (ICUIMC, 2014)

Security Enhanced User Authentication Protocol for Wireless Sensor Networks Using Elliptic Curves Cryptography. - Younsung Choi; Donghoon Lee 007; Jiye Kim; Jaewook Jung; Junghyun Nam; Dongho Won (Sensors, 2014)

Security Analysis and Improvements of Two-Factor Mutual Authentication with Key Agreement in Wireless Sensor Networks. - Jiye Kim; Donghoon Lee 007; Woongryul Jeon; Youngsook Lee; Dongho Won (Sensors, 2014)

Cryptanalysis of Dynamic ID-Based User Authentication Scheme Using Smartcards Without Verifier Tables. - Jaewook Jung; Younsung Choi; Donghoon Lee 007; Jiye Kim; Jongho Mun; Dongho Won (CSA/CUTE, 2015)

Cryptanalysis of User Authentication Scheme Preserving Anonymity for Ubiquitous Devices. - Dongwoo Kang; Jongho Mun; Donghoon Lee 007; Dongho Won (CSA/CUTE, 2015)

Security Improvement of Portable Key Management Using a Mobile Phone. - Jiye Kim; Donghoon Lee 007; Younsung Choi; Youngsook Lee; Dongho Won (ICCSA (4), 2015)

Cryptanalysis of biometric-based multi-server authentication scheme using smart card. - Jongho Mun; Jiye Kim; Donghoon Lee 007; Dongho Won (QSHINE, 2015)

Cryptanalysis and Improvement User Authentication Scheme for Multi-server Environment. - Dongwoo Kang; Jongho Moon; Donghoon Lee 007; Dongho Won (ICCSA (5), 2016)

Cryptanalysis and Improvement of Efficient Password-Based User Authentication Scheme using Hash Function. - Jaewook Jung; Donghoon Lee 007; Jiye Kim; Youngsook Lee; Dongwoo Kang; Dongho Won (IMCOM, 2016)

Performance and security enhanced authentication and key agreement protocol for SAE/LTE network. - Fikadu B. Degefa; Donghoon Lee 007; Jiye Kim; Younsung Choi; Dongho Won (Comput. Networks, 2016)

Improvement and Weakness of Zero-Sum Defender against Return-Oriented Programming Attacks. - Donghoon Lee 007; Jaewook Jung; Younsung Choi; Dongho Won (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

API-Based Software Birthmarking Method Using Fuzzy Hashing. - Donghoon Lee 007; Dongwoo Kang; Younsung Choi; Jiye Kim; Dongho Won (IEICE Trans. Inf. Syst., 2016)

Efficient and robust user authentication scheme that achieve user anonymity with a Markov chain. - Dongwoo Kang; Jaewook Jung; Jongho Mun; Donghoon Lee 007; Younsung Choi; Dongho Won (Secur. Commun. Networks, 2016)

Security Enhancement of Robust Anonymous Two-Factor Authenticated Key Exchange Scheme for Mobile Client-Server Environment. - Jongho Moon; Jiye Kim; Donghoon Lee 007; Dongho Won (ACIT/CSII/BCD, 2017)

Cryptanalysis of Chaos-Based 2-Party Key Agreement Protocol with Provable Security. - Jongho Moon; Taeui Song; Donghoon Lee 007; Youngsook Lee; Dongho Won (AHFE (9), 2017)

Cryptanalysis and improvement of robust authentication scheme for telecare medicine information systems. - Dongwoo Kang; Donghoon Lee 007; Seokhyang Cho; Jaewook Jung; Dongho Won (IMCOM, 2017)

Cryptanalysis and improvement of a biometric and smart card based remote user authentication scheme. - Chunyi Quan; Jaewook Jung; Jiye Kim; Qimin Sun; Donghoon Lee 007; Dongho Won (IMCOM, 2017)

Improvement of Efficient and Secure Smart Card Based Password Authentication Scheme. - Jongho Moon; Donghoon Lee 007; Jaewook Jung; Dongho Won (Int. J. Netw. Secur., 2017)

Software Birthmark Method Using Combined Structure-Based and API-Based. - Donghoon Lee 007; Dongwoo Kang; Jiye Kim; Dongho Won (J. Softw., 2017)

Efficient and Security Enhanced Anonymous Authentication with Key Agreement Scheme in Wireless Sensor Networks. - Jaewook Jung; Jongho Moon; Donghoon Lee 007; Dongho Won (Sensors, 2017)

Improving Biometric-Based Authentication Schemes with Smart Card Revocation/Reissue for Wireless Sensor Networks. - Jongho Moon; Donghoon Lee 007; Youngsook Lee; Dongho Won (Sensors, 2017)