diff options
| -rw-r--r-- | crypto/aes_generic.c | 9 |
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; } |