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-rw-r--r--crypto/aes_generic.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/crypto/aes_generic.c b/crypto/aes_generic.c
index b8b66ec3883b..e78b7ee44a74 100644
--- a/crypto/aes_generic.c
+++ b/crypto/aes_generic.c
@@ -1174,7 +1174,7 @@ EXPORT_SYMBOL_GPL(crypto_il_tab);
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]; \
@@ -1185,6 +1185,10 @@ EXPORT_SYMBOL_GPL(crypto_il_tab);
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]; \
@@ -1245,8 +1249,9 @@ int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
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;
}