368   uint_8t tt;  in shift_sub_rows()  local
375   tt = st[1];  in shift_sub_rows()
379   st[13] = s_box(tt);  in shift_sub_rows()
381   tt = st[2];  in shift_sub_rows()
383   st[10] = s_box(tt);  in shift_sub_rows()
384   tt = st[6];  in shift_sub_rows()
386   st[14] = s_box(tt);  in shift_sub_rows()
388   tt = st[15];  in shift_sub_rows()
392   st[3] = s_box(tt);  in shift_sub_rows()
396   uint_8t tt;  in inv_shift_sub_rows()  local
403   tt = st[13];  in inv_shift_sub_rows()
407   st[1] = is_box(tt);  in inv_shift_sub_rows()
409   tt = st[2];  in inv_shift_sub_rows()
411   st[10] = is_box(tt);  in inv_shift_sub_rows()
412   tt = st[6];  in inv_shift_sub_rows()
414   st[14] = is_box(tt);  in inv_shift_sub_rows()
416   tt = st[3];  in inv_shift_sub_rows()
420   st[15] = is_box(tt);  in inv_shift_sub_rows()
512     uint_8t tt, t0, t1, t2, t3;  local
519       tt = t0;
523       t3 = s_box(tt);
531     tt = cc - keylen;
532     ctx->ksch[cc + 0] = ctx->ksch[tt + 0] ^ t0;
533     ctx->ksch[cc + 1] = ctx->ksch[tt + 1] ^ t1;
534     ctx->ksch[cc + 2] = ctx->ksch[tt + 2] ^ t2;
535     ctx->ksch[cc + 3] = ctx->ksch[tt + 3] ^ t3;