Howard M. Heys, Stafford E. Tavares. Cryptanalysis of Substitution-Permutation Networks Using Key-Dependent Degeneracy. Cryptologia, 20(3):258-274, 1996. [doi]
@article{HeysT96-0, title = {Cryptanalysis of Substitution-Permutation Networks Using Key-Dependent Degeneracy}, author = {Howard M. Heys and Stafford E. Tavares}, year = {1996}, doi = {10.1080/0161-119691884951}, url = {http://dx.doi.org/10.1080/0161-119691884951}, researchr = {https://researchr.org/publication/HeysT96-0}, cites = {0}, citedby = {0}, journal = {Cryptologia}, volume = {20}, number = {3}, pages = {258-274}, }