-/*
+/*
* Cryptographic API.
*
* AES Cipher Algorithm.
#define star_x(x) (((x) & 0x7f7f7f7f) << 1) ^ ((((x) & 0x80808080) >> 7) * 0x1b)
-#define imix_col(y,x) do { \
+#define imix_col(y, x) do { \
u = star_x(x); \
v = star_x(u); \
w = star_x(v); \
ctx->key_enc[6 * i + 11] = t; \
} while (0)
-#define loop8(i) do { \
+#define loop8tophalf(i) do { \
t = ror32(t, 8); \
t = ls_box(t) ^ rco_tab[i]; \
t ^= ctx->key_enc[8 * i]; \
ctx->key_enc[8 * i + 10] = t; \
t ^= ctx->key_enc[8 * i + 3]; \
ctx->key_enc[8 * i + 11] = t; \
+} while (0)
+
+#define loop8(i) do { \
+ loop8tophalf(i); \
t = ctx->key_enc[8 * i + 4] ^ ls_box(t); \
ctx->key_enc[8 * i + 12] = t; \
t ^= ctx->key_enc[8 * i + 5]; \
ctx->key_enc[5] = le32_to_cpu(key[5]);
ctx->key_enc[6] = le32_to_cpu(key[6]);
t = ctx->key_enc[7] = le32_to_cpu(key[7]);
- for (i = 0; i < 7; ++i)
+ for (i = 0; i < 6; ++i)
loop8(i);
+ loop8tophalf(i);
break;
}