Sun, Hung-Min. "An Efficient Remote User Authentication Scheme Using Smart Cards." IEEE Transactions on Consumer Electronics 46, no. 4 (2000): 958-961.

Lin, Chun-Li, Tzonelih Hwang, and Hung-Min Sun. "Three-Party Encrypted Key Exchange: Attacks and a Solution." ACM Operating Systems Review 34, no. 4 (2000): 12-20.

Sun, Hung-Min. "An Efficient Nonrepudiable Threshold Proxy Signature Scheme with Known Signers." Computer Communications 22, no. 8 (1999): 717-722.

Sun, Hung-Min, Tzonelih Hwang, and Narn-Yih Lee. Nonrepudiable Threshold Proxy Signatures In 9th National Conference on Information Security. Taiwan, 1999.

Sun, Hung-Min, and B.-T. Hsieh. Remark on Two Nonrepudiable Proxy Signature Schemes In 9th National Conference on Information Security. Taiwan, 1999.

Sun, Hung-Min, Tzonelih Hwang, and Narn-Yih Lee. "Threshold Proxy Signatures." IEE Proceedings- Computers and Digital Techniques 146, no. 5 (1999): 259-263.

Sun, Hung-Min, and Biing-Jang Chen. Time-Stamp Proxy Signature with Traceable Receivers In 9th National Conference on Information Security. Taiwan, 1999.