Abstract
The S-boxes used in the DES have been looked at in various aspects like non-linearity,propagation characteristics and 1/0 correlation immunity. In the present work we try to make a cryptographic study of these boxes from a new viewpoint, namely,by investigating the way in which the uncertainty of the 6-bit key vector k which controls the work of an S-box diminishes,when a certain set of distinct plaintext vectors.
Cite
CITATION STYLE
Zeng, K. C., Yang, J. H., & Dai, Z. T. (1988). Patterns of entropy drop of the key in an S-Box of the DES. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 293 LNCS, pp. 438–444). Springer Verlag. https://doi.org/10.1007/3-540-48184-2_39
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