A New Nonrepudiable Threshold Proxy Signature Scheme with Valid Delegation Period. - Min-Shiang Hwang; Shiang-Feng Tzeng; Chun-Ta Li (ICCSA (3), 2007)

A secure and efficient communication scheme with authenticated key establishment and privacy preserving for vehicular ad hoc networks. - Chun-Ta Li; Min-Shiang Hwang; Yen-Ping Chu (Comput. Commun., 2008)

Further improvement on a novel privacy preserving authentication and access control scheme for pervasive computing environments. - Chun-Ta Li; Min-Shiang Hwang; Yen-Ping Chu (Comput. Commun., 2008)

An electronic voting protocol with deniable authentication for mobile ad hoc networks. - Chun-Ta Li; Min-Shiang Hwang; Chi-Yu Liu (Comput. Commun., 2008)

Improving the security of a secure anonymous routing protocol with authenticated key exchange for ad hoc networks. - Chun-Ta Li; Min-Shiang Hwang; Yen-Ping Chu (Comput. Syst. Sci. Eng., 2008)

An Enhanced Remote User Authentication Scheme Providing Mutual Authentication and Key Agreement with Smart Cards. - Chun-Ta Li (IAS, 2009)

Improving the Security of Non-PKI Methods for Public Key Distribution. - Chun-Ta Li; Min-Shiang Hwang (ITNG, 2009)

A Verifiable Electronic Voting Scheme over the Internet. - Chun-Ta Li; Min-Shiang Hwang; Yan-Chi Lai (ITNG, 2009)

A Secure Billing Protocol for Grid Computing. - Chia-Hui Wei; Yeo-Hao Chin; Chun-Ta Li (ITNG, 2009)

Cryptanalysis of Threshold Password Authentication Against Guessing Attacks in Ad Hoc Networks. - Chun-Ta Li; Yen-Ping Chu (Int. J. Netw. Secur., 2009)

On the Security Enhancement of an Efficient and Secure Event Signature Protocol for P2P MMOGs. - Chun-Ta Li; Cheng-Chi Lee; Lian-Jun Wang (ICCSA (1), 2010)

On security of a more efficient and secure dynamic ID-based remote user authentication scheme. - Cheng-Chi Lee; Chin-Ling Chen; Chun-Ta Li; Rui-Xiang Chang (ISDA, 2010)

Cryptanalysis of Khan et al.'s dynamic ID-based remote user authentication scheme. - Chun-Ta Li; Chen-Ju Liu; Cheng-Chi Lee; Chin-Wen Lee (ISDA, 2010)

An efficient biometrics-based remote user authentication scheme using smart cards. - Chun-Ta Li; Min-Shiang Hwang (J. Netw. Comput. Appl., 2010)

A Robust Remote User Authentication Scheme against Smart Card Security Breach. - Chun-Ta Li; Cheng-Chi Lee; Chen-Ju Liu; Chin-Wen Lee (DBSec, 2011)

A lightweight anonymous routing protocol without public key en/decryptions for wireless ad hoc networks. - Chun-Ta Li; Min-Shiang Hwang (Inf. Sci., 2011)

Secure Smart Card Based Password Authentication Scheme with User Anonymity. - Chun-Ta Li (Inf. Technol. Control., 2011)

A Robust Remote User Authentication Scheme Using Smart Card. - Chun-Ta Li; Cheng-Chi Lee (Inf. Technol. Control., 2011)

An Improvement of Remote Authentication and Key Agreement Schemes. - Cheng-Chi Lee; Chun-Ta Li; Kuo-You Huang; Shiow-Yuan Huang (J. Circuits Syst. Comput., 2011)

Two Attacks on a Two-Factor User Authentication in Wireless Sensor Networks. - Cheng-Chi Lee; Chun-Ta Li; Shun-der Chen (Parallel Process. Lett., 2011)

A secure routing protocol with node selfishness resistance in MANETs. - Chun-Ta Li; Chou Chen Yang; Min-Shiang Hwang (Int. J. Mob. Commun., 2012)

A simple and efficient authentication scheme for mobile satellite communication systems. - Cheng-Chi Lee; Chun-Ta Li; Rui-Xiang Chang (Int. J. Satell. Commun. Netw., 2012)

A More Secure and Efficient Authentication Scheme with Roaming Service and User Anonymity for Mobile Communications. - Chun-Ta Li (Inf. Technol. Control., 2012)

A novel user authentication and privacy preserving scheme with smart cards for wireless communications. - Chun-Ta Li; Cheng-Chi Lee (Math. Comput. Model., 2012)

Cryptanalysis and Improvement of an ECC-Based Password Authentication Scheme Using Smart Cards. - Cheng-Chi Lee; Chun-Ta Li; Chi-Yao Weng; Jian-Jhong Jheng; Xiao-Qian Zhang; Yi-Rui Zhu (CSS, 2013)

A new password authentication and user anonymity scheme based on elliptic curve cryptography and smart card. - Chun-Ta Li (IET Inf. Secur., 2013)

An Extended Multi-Server-Based User Authentication and Key Agreement Scheme with User Anonymity. - Chun-Ta Li; Cheng-Chi Lee; Chi-Yao Weng; Chun-I Fan (KSII Trans. Internet Inf. Syst., 2013)

An undetectable on-line password guessing attack on Nam et al.'s three-party key exchange protocol. - Cheng-Chi Lee; Chun-Ta Li; Rui-Xiang Chang (J. Comput. Methods Sci. Eng., 2013)

An Advanced Temporal Credential-Based Security Scheme with Mutual Authentication and Key Agreement for Wireless Sensor Networks. - Chun-Ta Li; Chi-Yao Weng; Cheng-Chi Lee (Sensors, 2013)

Security and Efficiency Analysis on a Simple Keyword Search Scheme over Encrypted Data in Cloud Storage Services. - Chun-Ta Li; Jau-Ji Shen; Chin-Wen Lee (IOV, 2014)

A Novel Frequency Billing Service in Digital Television System. - Cheng-Chi Lee; Chun-Ta Li; Ping-Hsien Wu (J. Inf. Hiding Multim. Signal Process., 2014)

A Secure Chaotic Maps and Smart Cards Based Password Authentication and Key Agreement Scheme with User Anonymity for Telecare Medicine Information Systems. - Chun-Ta Li; Cheng-Chi Lee; Chi-Yao Weng (J. Medical Syst., 2014)

A practical RFID authentication mechanism for digital television. - Cheng-Chi Lee; Chi-Tung Chen; Chun-Ta Li; Ping-Hsien Wu (Telecommun. Syst., 2014)

Secure User Authentication and User Anonymity Scheme based on Quadratic Residues for the Integrated EPRIS. - Chun-Ta Li; Chi-Yao Weng; Cheng-Chi Lee; Chun-Cheng Wang (ANT/SEIT, 2015)

Design Flaws in a Secure Medical Data Exchange Protocol Based on Cloud Environments. - Chun-Ta Li; Cheng-Chi Lee; Chun-Cheng Wang; Tzu-Hui Yang; Song-Jhih Chen (ICA3PP (Workshops and Symposiums), 2015)

Cryptanalysis of an anonymous multi-server authenticated key agreement scheme using smart cards and biometrics. - Chun-Ta Li; Cheng-Chi Lee; Hua-Hsuan Chen; Min-Jie Syu; Chun-Cheng Wang (ICOIN, 2015)

A secure three-party authenticated key exchange protocol based on extended chaotic maps in cloud storage service. - Chun-Ta Li; Chin-Wen Lee; Jau-Ji Shen (ICOIN, 2015)

Improving Security of A Communication-efficient Three-party Password Authentication Key Exchange Protocol. - Cheng-Chi Lee; Shih-Ting Chiu; Chun-Ta Li (Int. J. Netw. Secur., 2015)

A Secure Dynamic Identity Based Authentication Protocol with Smart Cards for Multi-Server Architecture. - Chun-Ta Li; Cheng-Chi Lee; Chi-Yao Weng; Chun-I Fan (J. Inf. Sci. Eng., 2015)

A Secure RFID Tag Authentication Protocol with Privacy Preserving in Telecare Medicine Information System. - Chun-Ta Li; Chi-Yao Weng; Cheng-Chi Lee (J. Medical Syst., 2015)

A Hash Based Remote User Authentication and Authenticated Key Agreement Scheme for the Integrated EPR Information System. - Chun-Ta Li; Chi-Yao Weng; Cheng-Chi Lee; Chun-Cheng Wang (J. Medical Syst., 2015)

A dynamic identity-based user authentication scheme for remote login systems. - Chun-Ta Li; Cheng-Chi Lee; Chi-Yao Weng (Secur. Commun. Networks, 2015)

Cryptanalysis of Dimitriou's Key Evolving RFID Systems. - Cheng-Chi Lee; Chung-Lun Cheng; Yan-Ming Lai; Chun-Ta Li (ICNCC, 2016)

A Searchable Hierarchical Conditional Proxy Re-encryption Scheme for Cloud Storage Services. - Cheng-Chi Lee; Chun-Ta Li; Chin-Ling Chen; Shih-Ting Chiu (Inf. Technol. Control., 2016)

A CAE Scheme Using ECC Based Self Certified PKC. - Manoj Kumar Chande; Cheng-Chi Lee; Chun-Ta Li (J. Comput. Sci., 2016)

A Secure Cloud-Assisted Wireless Body Area Network in Mobile Emergency Medical Care System. - Chun-Ta Li; Cheng-Chi Lee; Chi-Yao Weng (J. Medical Syst., 2016)

A Secure Dynamic Identity and Chaotic Maps Based User Authentication and Key Agreement Scheme for e-Healthcare Systems. - Chun-Ta Li; Cheng-Chi Lee; Chi-Yao Weng; Song-Jhih Chen (J. Medical Syst., 2016)

A New Self-Certified Convertible Authenticated Encryption Scheme Based on Discrete Logarithm Problem. - Manoj Kumar Chande; Cheng-Chi Lee; Chun-Ta Li (Parallel Process. Lett., 2016)

Time-bound key-aggregate encryption for cloud storage. - Cheng-Chi Lee; Chun-Ta Li; Shih-Ting Chiu; Shun-der Chen (Secur. Commun. Networks, 2016)

A secure chaotic maps-based privacy-protection scheme for multi-server environments. - Chun-Ta Li (Secur. Commun. Networks, 2016)

Further Improvement on An Efficient and Secure Three-factor Based Authenticated Key Exchange Scheme Using Elliptic Curve Cryptosystems. - Chun-Ta Li; Chin-Ling Chen; Cheng-Chi Lee; Chien-Ming Chen 001 (GPC, 2017)

Cryptanalysis of "An Efficient Searchable Encryption Against Keyword Guessing Attacks for Shareable Electronic Medical Records in Cloud-Based System". - Chun-Ta Li; Cheng-Chi Lee; Chi-Yao Weng; Tsu-Yang Wu; Chien-Ming Chen 001 (ICISA, 2017)

On the Security of a Privacy Authentication Scheme Based on Cloud for Medical Environment. - Chun-Ta Li; Dong-Her Shih; Chun-Cheng Wang (ICISA, 2017)

A Provable Secure Private Data Delegation Scheme for Mountaineering Events in Emergency System. - Chien-Ming Chen 001; Chun-Ta Li; Shuai Liu 002; Tsu-Yang Wu; Jeng-Shyang Pan 001 (IEEE Access, 2017)

Message Recovery via an Efficient Multi-Proxy Signature With Self-certified Keys. - Manoj Kumar Chande; Cheng-Chi Lee; Chun-Ta Li (Int. J. Netw. Secur., 2017)

An Efficient User Authentication and User Anonymity Scheme with Provably Security for IoT-Based Medical Care System. - Chun-Ta Li; Tsu-Yang Wu; Chin-Ling Chen; Cheng-Chi Lee; Chien-Ming Chen 001 (Sensors, 2017)

A secure key authentication scheme for cryptosystems based on GDLP and IFP. - Chandrashekhar Meshram; Cheng-Chi Lee; Chun-Ta Li; Chin-Ling Chen (Soft Comput., 2017)

Cryptanalysis of AN RFID Ownership Transfer Protocol Based on Cloud. - Cheng-Chi Lee; Shun-der Chen; Chun-Ta Li; Chung-Lun Cheng; Yan-Ming Lai (CSCloud/EdgeCom, 2018)

A Secure Authentication Protocol for Wireless Sensor Network in Smart Vehicular System. - Chun-Ta Li; Chi-Yao Weng; Chin-Ling Chen; Cheng-Chi Lee (IOV, 2018)

Robot Identification and Authentication in a Robot Cloud Service System. - Chin-Ling Chen; Yanting Li; Yong-Yuan Deng; Chun-Ta Li (IEEE Access, 2018)

A Provably Secure Group Key Agreement Scheme With Privacy Preservation for Online Social Networks Using Extended Chaotic Maps. - Chun-Ta Li; Tsu-Yang Wu; Chien-Ming Chen 001 (IEEE Access, 2018)

An improved E-DRM scheme for mobile environments. - Cheng-Chi Lee; Chun-Ta Li; Zhi-Wei Chen; Yan-Ming Lai; Jiann-Cherng Shieh (J. Inf. Secur. Appl., 2018)

A Biometric-Based Authentication and Anonymity Scheme for Digital Rights Management System. - Cheng-Chi Lee; Chun-Ta Li; Zhi-Wei Chen; Yan-Ming Lai (Inf. Technol. Control., 2018)

Security and Efficiency Enhancement of Robust ID Based Mutual Authentication and Key Agreement Scheme Preserving User Anonymity in Mobile Networks. - Chun-Ta Li; Cheng-Chi Lee; Chi-Yao Weng (J. Inf. Sci. Eng., 2018)

Towards secure authenticating of cache in the reader for RFID-based IoT systems. - Chun-Ta Li; Cheng-Chi Lee; Chi-Yao Weng; Chien-Ming Chen 001 (Peer-to-Peer Netw. Appl., 2018)

A novel three-party password-based authenticated key exchange protocol with user anonymity based on chaotic maps. - Chun-Ta Li; Chin-Ling Chen; Cheng-Chi Lee; Chi-Yao Weng; Chien-Ming Chen 001 (Soft Comput., 2018)

A novel group ownership transfer protocol for RFID systems. - Cheng-Chi Lee; Chun-Ta Li; Chung-Lun Cheng; Yan-Ming Lai (Ad Hoc Networks, 2019)

Security enhancement on an RFID ownership transfer protocol based on cloud. - Cheng-Chi Lee; Shun-der Chen; Chun-Ta Li; Chung-Lun Cheng; Yan-Ming Lai (Future Gener. Comput. Syst., 2019)

A novel authentication scheme for anonymity and digital rights management based on elliptic curve cryptography. - Cheng-Chi Lee; Chun-Ta Li; Zhi-Wei Chen; Shun-Der Chen; Yan-Ming Lai (Int. J. Electron. Secur. Digit. Forensics, 2019)

A Novel Group Ownership Delegate Protocol for RFID Systems. - Cheng-Chi Lee; Chun-Ta Li; Chung-Lun Cheng; Yan-Ming Lai; Athanasios V. Vasilakos (Inf. Syst. Frontiers, 2019)

An efficient online/offline ID-based short signature procedure using extended chaotic maps. - Chandrashekhar Meshram; Chun-Ta Li; Sarita Gajbhiye Meshram (Soft Comput., 2019)

An efficient ID-based cryptographic transformation model for extended chaotic-map-based cryptosystem. - Chandrashekhar Meshram; Cheng-Chi Lee; Sarita Gajbhiye Meshram; Chun-Ta Li (Soft Comput., 2019)

Reversible Data Hiding in Encrypted Image Based on Flipping MSB Encryption Process. - Chi-Yao Weng; Cheng-Hsing Yang; Guang-Yih Hsu; Rong-Jaye Chen; Chun-Ta Li (ICFET, 2020)

An IoT-Based Traceable Drug Anti-Counterfeiting Management System. - Chin-Ling Chen; Yong-Yuan Deng; Chun-Ta Li; Shunzhi Zhu; Yi-Jui Chiu; Peizhi Chen (IEEE Access, 2020)

A Blockchain Based Data Aggregation and Group Authentication Scheme for Electronic Medical System. - Chun-Ta Li; Dong-Her Shih; Chun-Cheng Wang; Chin-Ling Chen; Cheng-Chi Lee (IEEE Access, 2020)

A subtree-based transformation model for cryptosystem using chaotic maps under cloud computing environment for fuzzy user data sharing. - Chandrashekhar Meshram; Cheng-Chi Lee; Abhay S. Ranadive; Chun-Ta Li; Sarita Gajbhiye Meshram; Jitendra V. Tembhurne (Int. J. Commun. Syst., 2020)

E-book Circulation System Based on Blockchain. - Cheng-Chi Lee; Chung-Wei Li; Chun-Ta Li; Chin-Ling Chen (CSCI, 2021)

An Efficient Provably Secure Verifier-Based Three-Factor Authentication Technique Using PDL for Data Exchange in TMIS. - Vishesh P. Gaikwad; Jitendra V. Tembhurne; Chandrashekhar Meshram; Cheng-Chi Lee; Chun-Ta Li (IEEE Access, 2021)

A Lightweight Anonymous Authentication and Secure Communication Scheme for Fog Computing Services. - Chi-Yao Weng; Chun-Ta Li; Chin-Ling Chen; Cheng-Chi Lee; Yong-Yuan Deng (IEEE Access, 2021)

Joint Random Forest and Particle Swarm Optimization for Predictive Pathloss Modeling of Wireless Signals from Cellular Networks. - Okiemute Roberts Omasheye; Samuel Azi; Joseph Isabona; Agbotiname Lucky Imoize; Chun-Ta Li; Cheng-Chi Lee (Future Internet, 2022)

Atmospheric Propagation Modelling for Terrestrial Radio Frequency Communication Links in a Tropical Wet and Dry Savanna Climate. - Joseph Isabona; Agbotiname Lucky Imoize; Stephen Ojo; Cheng-Chi Lee; Chun-Ta Li (Inf., 2022)

An Efficient Authenticated Key Agreement Scheme Supporting Privacy-Preservation for Internet of Drones Communications. - Chun-Ta Li; Chi-Yao Weng; Chin-Ling Chen; Cheng-Chi Lee; Yong-Yuan Deng; Agbotiname Lucky Imoize (Sensors, 2022)

Design and Implementation of an ML and IoT Based Adaptive Traffic-Management System for Smart Cities. - Umesh Kumar Lilhore; Agbotiname Lucky Imoize; Chun-Ta Li; Sarita Simaiya; Subhendu Kumar Pani; Nitin Goyal; Arun Kumar Rana; Cheng-Chi Lee (Sensors, 2022)

5GT-GAN: Enhancing Data Augmentation for 5G-Enabled Mobile Edge Computing in Smart Cities. - Chandrasen Pandey; Vaibhav Tiwari; Agbotiname Lucky Imoize; Chun-Ta Li; Cheng-Chi Lee; Diptendu Sinha Roy (IEEE Access, 2023)

Optimal Radio Propagation Modeling and Parametric Tuning Using Optimization Algorithms. - Joseph Isabona; Agbotiname Lucky Imoize; Oluwasayo Akinloye Akinwumi; Okiemute Roberts Omasheye; Emughedi Oghu; Cheng-Chi Lee; Chun-Ta Li (Inf., 2023)

Securing Critical User Information over the Internet of Medical Things Platforms Using a Hybrid Cryptography Scheme. - Oluwakemi Christiana Abikoye; Esau Taiwo Oladipupo; Agbotiname Lucky Imoize; Joseph Bamidele Awotunde; Cheng-Chi Lee; Chun-Ta Li (Future Internet, 2023)

Cost-Effective Low-Temperature Hybrid Bonding Using Layer Transfer Technology. - Yu-Lun Liu 001; Chun-Ta Li; Tzu-Han Sun; Chien-Kang Hsiung; Yuan-Chiu Huang; Kuan-Neng Chen (3DIC, 2024)

Low-Temperature Adhesive Hybrid Bonding Technology with Novel Area-Selective Passivation Layer. - Tzu-Han Sun; Yu-Lun Liu 001; Chun-Ta Li; Wen-Tzu Tsai; Mu-Ping Hsu; Kuan-Neng Chen (3DIC, 2024)

A State-of-the-Art Survey on IRS-NOMA for Integrated Sensing and Communication. - Samarendra Nath Sur; Arun Kumar Singh; Huu Quy Tran; Pradeep Vishwakarma; Agbotiname Lucky Imoize; Chun-Ta Li (IEEE Access, 2024)

An Enhanced Multi-Factor Device Authentication Protocol in IoLT Healthcare Environment. - Tuan-Vinh Le; Ming-Hour Yang; Khalid Mahmood 002; Hamed Taherdoost; Chun-Ta Li; Cheng-Chi Lee; Anwar Ghani; Cheng-Tsung Chen (IEEE Trans. Netw. Sci. Eng., 2025)