Reparable key distribution protocols for Internet environments. - Tzonelih Hwang; Wei-Chi Ku (IEEE Trans. Commun., 1995)

A secure and practical electronic voting scheme. - Wei-Chi Ku; Sheng-De Wang (Comput. Commun., 1999)

An Improved ID-Based Authentication and Key Distribution Protocol. - Wei-Chi Ku (ICOIN (2), 2002)

An Anonymous Endorsement System. - Wei-Chi Ku; Sheng-De Wang (J. Inf. Sci. Eng., 2002)

An Improved Key Management Scheme for Large Dynamic Groups Using One-Way Function Trees. - Wei-Chi Ku; Shuai-Min Chen (ICPP Workshops, 2003)

Weaknesses of Lee-Li-Hwang's hash-based password authentication scheme. - Wei-Chi Ku; Chien-Ming Chen 001; Hui-Lung Lee (ACM SIGOPS Oper. Syst. Rev., 2003)

Two simple attacks on Lin-Shen-Hwang's strong-password authentication protocol. - Wei-Chi Ku; Hao-Chuan Tsai; Shuai-Min Chen (ACM SIGOPS Oper. Syst. Rev., 2003)

An e-Voting Scheme against Bribe and Coercion. - Wei-Chi Ku; Chun-Ming Ho (EEE, 2004)

An e-Voting Scheme with Improved Resistance to Bribe and Coercion. - Wei-Chi Ku; Chun-Ming Ho (IACR Cryptol. ePrint Arch., 2004)

A hash-based strong-password authentication scheme without using smart cards. - Wei-Chi Ku (ACM SIGOPS Oper. Syst. Rev., 2004)

Weaknesses and improvements of an efficient password based remote user authentication scheme using smart cards. - Wei-Chi Ku; Shuai-Min Chen (IEEE Trans. Consumer Electron., 2004)

Weakness and Simple Improvement of a Password Authentication Scheme Based on Geometric Approach. - Wei-Chi Ku; Shen-Tien Chang; Hsi-Hung Chen; Maw-Jinn Tsaur (LCN, 2005)

A Remote User Authentication Scheme Using Strong Graphical Passwords. - Wei-Chi Ku; Maw-Jinn Tsaur (LCN, 2005)

Impersonation Attack on a Dynamic ID-Based Remote User Authentication Scheme Using Smart Cards. - Wei-Chi Ku; Shen-Tien Chang (IEICE Trans. Commun., 2005)

Cryptanalysis of a Multi-Server Password Authenticated Key Agreement Scheme Using Smart Cards. - Wei-Chi Ku; Hsiu-Mei Chuang; Min-Hung Chiang (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Weaknesses of a Remote User Authentication Scheme Using Smart Cards for Multi-Server Architecture. - Wei-Chi Ku; Shen-Tien Chang; Min-Hung Chiang (IEICE Trans. Commun., 2005)

Vulnerabilities of Wu-Chieu's Improved Password Authentication Scheme Using Smart Cards. - Wei-Chi Ku; Hsiu-Mei Chuang; Maw-Jinn Tsaur (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Weaknesses and Improvements of Yang-Chang-Hwang's Password Authentication Scheme. - Wei-Chi Ku; Hao-Chuan Tsai (Informatica, 2005)

Cryptanalysis of a flexible remote user authentication scheme using smart cards. - Wei-Chi Ku; Shuai-Min Chen (ACM SIGOPS Oper. Syst. Rev., 2005)

Weaknesses of Yoon-Ryu-Yoo's hash-based password authentication scheme. - Wei-Chi Ku; Min-Hung Chiang; Shen-Tien Chang (ACM SIGOPS Oper. Syst. Rev., 2005)

Weaknesses and drawbacks of a password authentication scheme using neural networks for multiserver architecture. - Wei-Chi Ku (IEEE Trans. Neural Networks, 2005)

Weaknesses of Two SAS-Like Password Authentication Schemes. - Min-Hung Chiang; Wei-Chi Ku (IEICE Trans. Commun., 2006)

Authentication Protocols Using Hoover-Kausik's Software Token. - Wei-Chi Ku; Hui-Lung Lee (J. Inf. Sci. Eng., 2006)

An Enhanced Verifier-Free Remote User Password Authentication Scheme. - Wei-Chi Ku; Chun-Hao Hwang; Hao-Rung Chung (ICEBE, 2007)

An Improved Password-Based Authenticated Key Agreement Scheme for Pervasive Applications. - Maw-Jinn Tsaur; Wei-Chi Ku; Hao-Rung Chung (EUC (2), 2008)

Three weaknesses in a simple three-party key exchange protocol. - Hao-Rung Chung; Wei-Chi Ku (Inf. Sci., 2008)

Weaknesses and improvement of Wang et al.'s remote user password authentication scheme for resource-limited environments. - Hao-Rung Chung; Wei-Chi Ku; Maw-Jinn Tsaur (Comput. Stand. Interfaces, 2009)

Improvement of EPC-C1G2 RFID authentication protocols. - Wei-Chi Ku; Yi-Han Chen (ICCC, 2012)

An enhanced simple secure remote password authentication scheme without using cryptography. - Yu-Chang Yeh; Wei-Chi Ku; Wei-Ping Chen; Yi-Lun Chen (ICCC, 2012)

An enhanced capture attacks resistant text-based graphical password scheme. - Wei-Chi Ku; Dum-Min Liao; Chia-Ju Chang; Pei-Jia Qiu (ICCC, 2014)

A Sector-Based Graphical Password Scheme with Resistance to Login-Recording Attacks. - Wei-Chi Ku; Yu-Chang Yeh; Bo-Ren Cheng; Chia-Ju Chang (IEICE Trans. Inf. Syst., 2015)

A Simple Sector-Based Textual-Graphical Password Scheme with Resistance to Login-Recording Attacks. - Wei-Chi Ku; Bo-Ren Cheng; Yu-Chang Yeh; Chia-Ju Chang (IEICE Trans. Inf. Syst., 2016)

Efficient Shoulder Surfing Resistant PIN Authentication Scheme Based on Localized Tactile Feedback. - Wei-Chi Ku; Hao-Jun Xu (CSCloud/EdgeCom, 2019)