for (u32 i = 0; i < KEYLEN; i++) rdk[i] = rek[i];
AES128_InvertKey (rdk, s_td0, s_td1, s_td2, s_td3, s_td4, s_te0, s_te1, s_te2, s_te3, s_te4);
for (u32 i = 0; i < KEYLEN; i++) rdk[i] = rek[i];
AES128_InvertKey (rdk, s_td0, s_td1, s_td2, s_td3, s_td4, s_te0, s_te1, s_te2, s_te3, s_te4);