Hyoung-Kee CHOI


A Healthcare Information System for Secure Delivery and Remote Management of Medical Records
Hyoung-Kee CHOI Ki-Eun SHIN Hyoungshick KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/04/01
Vol. E99-D  No. 4  pp. 883-890
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security)
Category: Privacy protection in information systems
Keyword: 
Healthcare Information System (HIS)privacyElliptic Curve Cryptography (ECC)Protected Health Information (PHI)
 Summary | Full Text:PDF(1MB)

Improvements on Hsiang and Shih's Remote User Authentication Scheme Using Smart Cards
Jung-Yoon KIM Hyoung-Kee CHOI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/10/01
Vol. E95-D  No. 10  pp. 2393-2400
Type of Manuscript:  PAPER
Category: Information Network
Keyword: 
network-level security and protectionauthenticationsecuritypassword
 Summary | Full Text:PDF(531KB)

An Enhanced Security Protocol for VANET-Based Entertainment Services
Jung-Yoon KIM Hyoung-Kee CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/07/01
Vol. E95-B  No. 7  pp. 2245-2256
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
VANET securitymultimedia transactionsecurity protocolnonrepudiationdigital signature
 Summary | Full Text:PDF(1.6MB)

Further Improved Remote User Authentication Scheme
Jung-Yoon KIM Hyoung-Kee CHOI John A. COPELAND 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/06/01
Vol. E94-A  No. 6  pp. 1426-1433
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
network-level security and protectionauthenticationsecuritypassword
 Summary | Full Text:PDF(439.9KB)

A Contention Access Mechanism Based on a Partitioned Contention Access Period in IEEE 802.15.4 MAC
Sueng Jae BAE Tae-Jin LEE Hyoung-Kee CHOI Min Young CHUNG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3577-3590
Type of Manuscript:  PAPER
Category: Network
Keyword: 
IEEE 802.15.4LR-WPANsensor networksuperframeCSMA/CA
 Summary | Full Text:PDF(2MB)