A Digital Nominative Proxy Signature Scheme for Mobile Communication. - Hee-Un Park; Im-Yeong Lee (ICICS, 2001)

Interprocedural Transformations for Extracting Maximum Parallelism. - Yu-Sug Chang; Hye-Jung Lee; Doo-Soon Park; Im-Yeong Lee (ADVIS, 2002)

Secure Electronic Copyright Distribution with Public Key Based Traitor Tracing. - Hyung-Woo Lee; Sung-Min Lee 006; Im-Yeong Lee (EC-Web, 2002)

The Illegal Copy Protection Using Hidden Agent. - Deok-Gyu Lee; Im-Yeong Lee; Jong-Keun Ahn; Yong-Hae Kong (EurAsia-ICT, 2002)

Secure Bluetooth Piconet Using Non-anonymous Group Key. - Dae-Hee Seo; Im-Yeong Lee; Dong-Ik Oh; Doo-Soon Park (EurAsia-ICT, 2002)

New Identity Escrow Scheme for Anonymity Authentication. - Yong-Ho Lee; Im-Yeong Lee; Hyung-Woo Lee (INDOCRYPT, 2002)

Smart Card Based Mobile Payment with Fairness Revocation Mechanism. - Hyung-Woo Lee; Im-Yeong Lee; Dong-Ik Oh (EC-Web, 2003)

Designated Verification of Digital Watermark for Network Based Image Distribution. - Hyung-Woo Lee; Im-Yeong Lee (International Conference on Computational Science, 2003)

New WAKE Key Recovery Protocol on M-commerce. - Yong-Ho Lee; Im-Yeong Lee; Hyung-Woo Lee (ICWE, 2003)

A Study on Contents Distribution Using Electronic Cash System. - Deok-Gyu Lee; Hyung-Geun Oh; Im-Yeong Lee (EEE, 2004)

A Study on Efficient Key Distribution and Renewal in Broadcast Encryption. - Deok-Gyu Lee; Im-Yeong Lee (ICCSA (4), 2004)

A Study on Secure and Effcient Sensor Network Management Scheme Using PTD. - Dae-Hee Seo; Im-Yeong Lee (ICCSA (3), 2004)

A Study on Key Recovery Agent Protection Profile Having Composition Function. - Dae-Hee Seo; Im-Yeong Lee; Hee-Un Park (ICCSA (1), 2004)

A Study on Scalable Bluetooth Piconet for Secure Ubiquitous. - Dae-Hee Seo; Deok-Gyu Lee; Im-Yeong Lee (Human.Society@Internet, 2005)

A Study on the E-Cash System with Anonymity and Divisibility. - Seo-Il Kang; Im-Yeong Lee (ICCSA (2), 2005)

A Study on Secure SDP of RFID Using Bluetooth Communication. - Dae-Hee Seo; Im-Yeong Lee; Hee-Un Park (ICCSA (2), 2005)

A Study on RFID System with Secure Service Availability for Ubiquitous Computing. - Dae-Hee Seo; Im-Yeong Lee (J. Inf. Process. Syst., 2005)

Broadcast Encryption Using Efficient Key Distribution and Renewal for Ubiquitous Environments. - Deok-Gyu Lee; Jang-Su Park; Im-Yeong Lee (EUC Workshops, 2006)

Authentication for Ubiquitous Multi Domain in Pervasive Computing Using PMI. - Deok-Gyu Lee; Jong Sik Moon; Jong Hyuk Park 001; Im-Yeong Lee (HPCC, 2006)

Authentication for Single/Multi Domain in Ubiquitous Computing Using Attribute Certification. - Deok-Gyu Lee; Seo-Il Kang; Dae-Hee Seo; Im-Yeong Lee (ICCSA (4), 2006)

An Efficient Key Distribution for Ubiquitous Environment in Ad-Hoc Network Using Broadcast Encryption. - Deok-Gyu Lee; Jang-Su Park; Im-Yeong Lee; Yong-Seok Park; Jung-Chul Ahn (ICCSA (4), 2006)

An Intelligent and Efficient Traitor Tracing for Ubiquitous Environments. - Deok-Gyu Lee; Seo-Il Kang; Im-Yeong Lee (KES (2), 2006)

A Study on Low-Cost RFID System Management with Mutual Authentication Scheme in Ubiquitous. - Soo-Young Kang; Im-Yeong Lee (APNOMS, 2007)

A Study on Ticket-Based AAA Mechanism Including Time Synchronization OTP in Ubiquitous Environment. - Jong Sik Moon; Im-Yeong Lee (ICCSA (1), 2007)

A Study on Authentication Protocol in offering Identification Synchronization and Position Detection in RFID System. - Soo-Young Kang; Jang-Su Park; Im-Yeong Lee (IPC, 2007)

A Study on Key Distribution and ID Registration in the AAA System for Ubiquitous Multimedia Environments. - Seo-Il Kang; Deok-Gyu Lee; Im-Yeong Lee (MMM (2), 2007)

A Study on Improved RFID Authentication Scheme. - Dae-Hee Seo; Jang-Mi Baek; Jiang Li; Soo-Young Kang; Im-Yeong Lee; Hyung-Geun Oh (MUE, 2007)

Intelligent Home Network Authentication: Home Device Authentication Using Device Certification. - Deok-Gyu Lee; Yun-kyung Lee; Jong Wook Han; Jong Hyuk Park 001; Im-Yeong Lee (OTM Conferences (2), 2007)

Privacy Protection Scheme of RFID Using Random Number. - Soo-Young Kang; Im-Yeong Lee (PAKDD Workshops, 2007)

A study on secure RFID authentication protocol in insecure communication. - Jang-Su Park; Soo-Young Kang; Im-Yeong Lee (SecureComm, 2007)

A study on authentication/authorization/accounting and roaming mechanism in pervasive environment. - Jong Sik Moon; Jong Hyuk Park 001; Im-Yeong Lee (MobiQuitous, 2008)

A Study on New Low-Cost RFID System with Mutual Authentication Scheme in Ubiquitous. - Soo-Young Kang; Im-Yeong Lee (MUE, 2008)

A study on secure RFID mutual authentication scheme in pervasive computing environment. - Soo-Young Kang; Deok-Gyu Lee; Im-Yeong Lee (Comput. Commun., 2008)

Group Key Management Using Device ID in Ad-hoc Network. - Jong Sik Moon; Im-Yeong Lee; Seo-Il Kang (CSA, 2009)

Intelligent Pervasive Network Authentication: S/Key Based Device Authentication. - Deok-Gyu Lee; Jong Wook Han; Doo-Soon Park; Im-Yeong Lee (CCNC, 2009)

Device Authentication/Authorization Protocol for Home Network in Next Generation Security. - Jong Sik Moon; Deok-Gyu Lee; Im-Yeong Lee (ISA, 2009)

An Authentication and Authorization Protocol Using Ticket in Pervasive Environment. - Jong Sik Moon; Im-Yeong Lee; Kang Bin Yim; Sang-Gu Byeon (AINA Workshops, 2010)

A Secure Solution for USB Flash Drives Using FAT File System Structure. - Sun-Ho Lee; Kang Bin Yim; Im-Yeong Lee (NBiS, 2010)

Authentication and ID-Based Key Management Protocol in Pervasive Environment. - Jong Sik Moon; Jong Hyuk Park 001; Deok-Gyu Lee; Im-Yeong Lee (Wirel. Pers. Commun., 2010)

An AAA scheme using ID-based ticket with anonymity in future mobile communication. - Jong Sik Moon; Im-Yeong Lee (Comput. Commun., 2011)

Admissible bilinear map-based key management protocol for HPCCS in heterogeneous network. - Jong Sik Moon; Jong Hyuk Park 001; Im-Yeong Lee (J. Supercomput., 2011)

Authentication protocol using an identifier in an ad hoc network environment. - Jong Sik Moon; Im-Yeong Lee (Math. Comput. Model., 2012)

Secure Method for Data Storage and Sharing During Data Outsourcing. - Sun-Ho Lee; Sung Jong Go; Im-Yeong Lee (ITCS, 2013)

Effective Searchable Symmetric Encryption System Using Conjunctive Keyword. - Sun-Ho Lee; Im-Yeong Lee (ITCS, 2013)

A Secure Index Management Scheme for Providing Data Sharing in Cloud Storage. - Sun-Ho Lee; Im-Yeong Lee (J. Inf. Process. Syst., 2013)

Anonymous Authentication Scheme based on NTRU for the Protection of Payment Information in NFC Mobile Environment. - Sung-Wook Park; Im-Yeong Lee (J. Inf. Process. Syst., 2013)

Block Access Token Renewal Scheme Based on Secret Sharing in Apache Hadoop. - Su-Hyun Kim; Im-Yeong Lee (Entropy, 2014)

Data Block Management Scheme Based on Secret Sharing for HDFS. - Su-Hyun Kim; Im-Yeong Lee (BWCCA, 2015)

Mutual Authentication Scheme Based on GSM for NFC Mobile Payment Environments. - Sung-Wook Park; Im-Yeong Lee (CSA/CUTE, 2015)

Study on User Authority Management for Safe Data Protection in Cloud Computing Environments. - Su-Hyun Kim; Im-Yeong Lee (Symmetry, 2015)

Mutual Authentication Scheme Based on Lattice for NFC-PCM Payment Service Environment. - Sung-Wook Park; Im-Yeong Lee (Int. J. Distributed Sens. Networks, 2016)

A Study on Lightweight Mutual Authentication Protocol Based on Simple Operation. - Yong-Woon Hwang; Im-Yeong Lee (CSA/CUTE, 2017)

Secure Multicast Using Proxy Re-encryption in IoT Environment. - Suhyun Kim; Imyeong Lee (CSA/CUTE, 2017)

A study on a secure single sign-on for user authentication information privacy in distributed computing environment. - Hyun-Jin Kim; Im-Yeong Lee (Int. J. Commun. Networks Distributed Syst., 2017)

Enhanced Mutual Authentication Scheme based on Chaotic Map for PCM in NFC Service Environment. - Sung-Wook Park; Im-Yeong Lee (KSII Trans. Internet Inf. Syst., 2017)

Secure Data Deduplication Scheme Using Linkage of Data Blocks in Cloud Storage Environment. - Won-Bin Kim; Im-Yeong Lee (MUE/FutureTech, 2018)

A Study on KSI-based Authentication Management and Communication for Secure Smart Home Environments. - Gyeong-Jin Ra; Im-Yeong Lee (KSII Trans. Internet Inf. Syst., 2018)

IoT device security based on proxy re-encryption. - Su-Hyun Kim; Im-Yeong Lee (J. Ambient Intell. Humaniz. Comput., 2018)

Dynamic Group Authentication and Key Exchange Scheme Based on Threshold Secret Sharing for IoT Smart Metering Environments. - Dae-Hwi Lee; Im-Yeong Lee (Sensors, 2018)

A Study on Hybrid Blockchain-based XGS (XOR Global State) Injection Technology for Efficient Contents Modification and Deletion. - Gyeong-Jin Ra; Im-Yeong Lee (SDS, 2019)

An Anonymous Protocol for Member Privacy in a Consortium Blockchain. - Gyeong-Jin Ra; Dae-Hee Seo; Md. Zakirul Alam Bhuiyan; Im-Yeong Lee (SpaCCS, 2019)

Secure and Efficient Storage of Video Data in a CCTV Environment. - Won-Bin Kim; Im-Yeong Lee (KSII Trans. Internet Inf. Syst., 2019)

Enhanced signature RTD transaction scheme based on Chebyshev polynomial for mobile payments service in IoT device environment. - Sung-Wook Park; Im-Yeong Lee (J. Supercomput., 2019)

A Study on Access Control Scheme Based on ABE Using Searchable Encryption in Cloud Environment. - Yong-Woon Hwang; Im-Yeong Lee; Kangbin Yim (EIDWT, 2020)

Secure Hierarchical Deterministic Key Generation Scheme in Blockchain-based Medical Environment. - Tae-Hoon Kim; Im-Yeong Lee (IECC, 2020)

Group Delegated ID-Based Proxy Re-encryption for PHR. - Won-Bin Kim; Im-Yeong Lee; Kangbin Yim (IMIS, 2020)

A Secure Encapsulation Schemes Based on Key Recovery System. - Tae-Hoon Kim; Won-Bin Kim; Daehee Seo; Im-Yeong Lee (SVCC, 2020)

CP-ABE Access Control that Block Access of Withdrawn Users in Dynamic Cloud. - Yong-Woon Hwang; Im-Yeong Lee (KSII Trans. Internet Inf. Syst., 2020)

A Study on Electronic Voting System Using Private Blockchain. - Chang-Hyun Roh; Im-Yeong Lee (J. Inf. Process. Syst., 2020)

A Study on CP-ABE-Based Medical Data Sharing System with Key Abuse Prevention and Verifiable Outsourcing in the IoMT Environment. - Yong-Woon Hwang; Im-Yeong Lee (Sensors, 2020)

A Lightweight Authentication and Key Agreement Schemes for IoT Environments. - Dae-Hwi Lee; Im-Yeong Lee (Sensors, 2020)

A Certificateless Aggregate Arbitrated Signature Scheme for IoT Environments. - Dae-Hwi Lee; Kangbin Yim; Im-Yeong Lee (Sensors, 2020)

Efficient Short Group Signatures for Conditional Privacy in Vehicular Ad Hoc Networks via ID Caching and Timed Revocation. - L. Ellen Funderburg; Im-Yeong Lee (IEEE Access, 2021)

Pairing-Free Signatures With Insider-Attack Resistance for Vehicular Ad-Hoc Networks (VANETs). - L. Ellen Funderburg; Huimin Ren; Im-Yeong Lee (IEEE Access, 2021)

A Federated Framework for Fine-Grained Cloud Access Control for Intelligent Big Data Analytic by Service Providers. - Gyeong-Jin Ra; Donghyun Kim 001; Daehee Seo; Im-Yeong Lee (IEEE Access, 2021)

VAIM: Verifiable Anonymous Identity Management for Human-Centric Security and Privacy in the Internet of Things. - Gyeong-Jin Ra; Taehoon Kim; Im-Yeong Lee (IEEE Access, 2021)

An Efficient Public Verifiable Certificateless Multi-Receiver Signcryption Scheme for IoT Environments. - Dae-Hwi Lee; Won-Bin Kim; Deahee Seo; Im-Yeong Lee (IEICE Trans. Inf. Syst., 2021)

A study on data sharing system using ACP-ABE-SE in a cloud environment. - Yong-Woon Hwang; Im-Yeong Lee (Int. J. Web Grid Serv., 2021)

Survey on Data Deduplication in Cloud StorageEnvironments. - Won-Bin Kim; Im-Yeong Lee (J. Inf. Process. Syst., 2021)

Data Distribution for Multiple Receivers in a Connected Car Environment Using 5G Communication. - Won-Bin Kim; Daehee Seo; Donghyun Kim 001; Im-Yeong Lee (Secur. Commun. Networks, 2021)

A Privacy-Preserving Key Management Scheme with Support for Sybil Attack Detection in VANETs. - L. Ellen Funderburg; Im-Yeong Lee (Sensors, 2021)

Secure Encapsulation Schemes Using Key Recovery System in IoMT Environments. - Taehoon Kim; Wonbin Kim; Daehee Seo; Im-Yeong Lee (Sensors, 2021)

Group Delegated ID-Based Proxy Reencryption for the Enterprise IoT-Cloud Storage Environment. - Won-Bin Kim; Daehee Seo; Donghyun Kim 001; Im-Yeong Lee (Wirel. Commun. Mob. Comput., 2021)

A Study on Data Sharing Scheme using ECP-ABSC that Provides Data User Traceability in the Cloud. - Yong-Woon Hwang; Taehoon Kim; Daehee Seo; Im-Yeong Lee (KSII Trans. Internet Inf. Syst., 2022)

A Certificateless-based One-Round Authenticated Group Key Agreement Protocol to Prevent Impersonation Attacks. - Huimin Ren; Suhyun Kim; Daehee Seo; Imyeong Lee (KSII Trans. Internet Inf. Syst., 2022)

Identity Access Management via ECC Stateless Derived Key Based Hierarchical Blockchain for the Industrial Internet of Things. - Gyeongjin Ra; Su-Hyun Kim; Imyeong Lee (IEICE Trans. Inf. Syst., 2022)

Data Access Control for Secure Authentication Using Dual VC Scheme Based on CP-ABE in DID. - Taehoon Kim; Yong-Woon Hwang; Daehee Seo; Im-Yeong Lee (J. Circuits Syst. Comput., 2024)

A Comprehensive Approach to User Delegation and Anonymity within Decentralized Identifiers for IoT. - Taehoon Kim; Daehee Seo; Su-Hyun Kim; Im-Yeong Lee (Sensors, 2024)

A study on the traceable attribute-based signature scheme provided with anonymous credentials. - Yong-Woon Hwang; Taehoon Kim; Daehee Seo; Im-Yeong Lee (Connect. Sci., 2024)

A Study on New EPC-MPSI for an Inputless External Party to Compute the Intersection of Multiple Private Datasets. - Ki-hwan Kim; Dae-Hee Seo; Im-Yeong Lee; Suhyun Kim (IET Commun., 2025)

A study on k-walk generation algorithm to prevent the tottering in graph edit distance heuristic algorithms. - SeongCheol Yoon; Daehee Seo; Su-Hyun Kim; Im-Yeong Lee (J. Comb. Optim., 2025)