SHA0_EXPAND
SHA0_SUBROUND(A, B, C, D, E, F1_SHA0, K1_SHA0, SHA0_EXPAND(W, i));
SHA0_SUBROUND(A, B, C, D, E, F2_SHA0, K2_SHA0, SHA0_EXPAND(W, i));
SHA0_SUBROUND(A, B, C, D, E, F3_SHA0, K3_SHA0, SHA0_EXPAND(W, i));
SHA0_SUBROUND(A, B, C, D, E, F4_SHA0, K4_SHA0, SHA0_EXPAND(W, i));