crypto: x86/aes-ni - use AES library instead of single-use AES cipher

static int

rfc4106_set_hash_subkey(u8 *hash_subkey, const u8 *key, unsigned int key_len)

{

	struct crypto_cipher *tfm;

	struct crypto_aes_ctx ctx;

	int ret;

	tfm = crypto_alloc_cipher("aes", 0, 0);

	if (IS_ERR(tfm))

		return PTR_ERR(tfm);

	ret = crypto_cipher_setkey(tfm, key, key_len);

	ret = aes_expandkey(&ctx, key, key_len);

	if (ret)

		goto out_free_cipher;

		return ret;

	/* Clear the data in the hash sub key container to zero.*/

	/* We want to cipher all zeros to create the hash sub key. */

	memset(hash_subkey, 0, RFC4106_HASH_SUBKEY_SIZE);

	crypto_cipher_encrypt_one(tfm, hash_subkey, hash_subkey);

	aes_encrypt(&ctx, hash_subkey, hash_subkey);

out_free_cipher:

	crypto_free_cipher(tfm);

	return ret;

	memzero_explicit(&ctx, sizeof(ctx));

	return 0;

}

static int common_rfc4106_set_key(struct crypto_aead *aead, const u8 *key,