417   uint_8t tt;  in shift_sub_rows()  local
424   tt = st[1];  in shift_sub_rows()
428   st[13] = s_box(tt);  in shift_sub_rows()
430   tt = st[2];  in shift_sub_rows()
432   st[10] = s_box(tt);  in shift_sub_rows()
433   tt = st[6];  in shift_sub_rows()
435   st[14] = s_box(tt);  in shift_sub_rows()
437   tt = st[15];  in shift_sub_rows()
441   st[3] = s_box(tt);  in shift_sub_rows()
445   uint_8t tt;  in inv_shift_sub_rows()  local
452   tt = st[13];  in inv_shift_sub_rows()
456   st[1] = is_box(tt);  in inv_shift_sub_rows()
458   tt = st[2];  in inv_shift_sub_rows()
460   st[10] = is_box(tt);  in inv_shift_sub_rows()
461   tt = st[6];  in inv_shift_sub_rows()
463   st[14] = is_box(tt);  in inv_shift_sub_rows()
465   tt = st[3];  in inv_shift_sub_rows()
469   st[15] = is_box(tt);  in inv_shift_sub_rows()
564     uint_8t tt, t0, t1, t2, t3;  local
571       tt = t0;
575       t3 = s_box(tt);
583     tt = cc - keylen;
584     ctx->ksch[cc + 0] = ctx->ksch[tt + 0] ^ t0;
585     ctx->ksch[cc + 1] = ctx->ksch[tt + 1] ^ t1;
586     ctx->ksch[cc + 2] = ctx->ksch[tt + 2] ^ t2;
587     ctx->ksch[cc + 3] = ctx->ksch[tt + 3] ^ t3;