Cryptanalysis if a Diophantine Equation Oriented Public Key Cryptosystem. - Chi-Sung Laih; Min-Jea Gau (IEEE Trans. Computers, 1997)

On the Implementation of Indistinguishable Boxes Needed in Knapsack Zero-Knowledge Interactive Proof Schemes. - Wen-Chung Kuo; Chi-Sung Laih; Min-Jea Gau (J. Inf. Sci. Eng., 1999)