// Perform the inverse mix columns matrix on each column of the 16 bytes void mix_cols_inv (byte *state) { mix_col_inv(state); mix_col_inv(state+4); mix_col_inv(state+8); mix_col_inv(state+12); }
// Perform the inverse mix columns matrix on each column of the 16 bytes static void mix_cols_inv (unsigned char *state) { mix_col_inv(state); mix_col_inv(state+4); mix_col_inv(state+8); mix_col_inv(state+12); }