The so called selected permutations, which can be used to compose S-boxes in the DES-like ciphers, are classified under the action of a transformation group G*. A method for building up a data base of the selected permutations is given. In fact, we have built up a data base which consists of one representative from each of the G*-equivaIent classes, it turns out that the data base is of size 17433 and can be easily memorized by the help of a small magnetic disc. The constructed data base together with the applications of the group G* will produce totally 17433×3×29 selected permutations, which can be used to provide ready raw material for composing S-boxes.
CITATION STYLE
Yang, J. H., Dai, Z. D., & Zeng, K. C. (1993). The data base of selected permutations. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 739 LNCS, pp. 73–81). Springer Verlag. https://doi.org/10.1007/3-540-57332-1_6
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