btb@ncoast.UUCP (Brad Banko) (11/08/86)
schedule, with a subsequent fixed transposition through 16 rounds of this substitution and transposition... the transpositions are fixed, and are known as the S-boxes... the function of them is considered highly critical to the security of the algorithm, and that is why they are fixed... -- Brad Banko ...!decvax!cwruecmp!ncoast!btb Cleveland, Ohio