a->rounds = rounds;
memcpy(tk, key, KC * 4);
+ memcpy(a->round_key[0].u8, key, KC * 4);
- for (t = 0; t < (rounds + 1) * 16;) {
- memcpy(a->round_key[0].u8 + t, tk, KC * 4);
- t += KC * 4;
-
+ for (t = KC * 4; t < (rounds + 1) * 16; t += KC * 4) {
for (i = 0; i < 4; i++)
tk[0][i] ^= sbox[tk[KC - 1][(i + 1) & 3]];
tk[0][0] ^= rcon[rconpointer++];
for (i = 0; i < 4; i++)
tk[j][i] ^= sbox[tk[j - 1][i]];
}
+
+ memcpy(a->round_key[0].u8 + t, tk, KC * 4);
}
if (decrypt) {