FOX Specifications v1.0

In this document, we describe the design of a new family of block ciphers, called FOX. The main goals of this design, besides a very high security level, are a large implementation flexibility on various platforms as well as high performances. The high-level structure is based on a Lai-Massey scheme, while the round functions are substitution-permutation networks. In addition, we propose a new design of strong and efficient key-schedule algorithms.

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