This work is supported by the National Natural Science Foundation of China (No.60573028) and the Open Research Fund of National Mobile Communications Research Laboratory of Southeast University (No.w200805).
The weight distributions of two classes of linear codes from all known perfect nonlinear functions from Fpm to itself are determined, based on the Pless power moments. These results suggest that two open problems prop...
the National Natural Science Foundation of China (No. 60573028)
For the 64 most basic ways to construct a hash function H:{0,1} → {0,1}n from a block cipher E:{0,1}n × {0,1}n → {0,1}n, Black et al.provided a formal and quantitative treatment of the 64 constructions, and proved ...