Commit a221b33b authored by Eric Biggers's avatar Eric Biggers Committed by Herbert Xu
Browse files

crypto: arm64/aes-glue - use crypto_shash_tfm_digest() 



Instead of manually allocating a 'struct shash_desc' on the stack and
calling crypto_shash_digest(), switch to using the new helper function
crypto_shash_tfm_digest() which does this for us.

Signed-off-by: default avatarEric Biggers <ebiggers@google.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 822a98b8

arch/arm64/crypto/aes-glue.c

+1 −3
Original line number Diff line number Diff line
@@ -158,7 +158,6 @@ static int __maybe_unused essiv_cbc_set_key(struct crypto_skcipher *tfm, 
					    unsigned int key_len)

{

	struct crypto_aes_essiv_cbc_ctx *ctx = crypto_skcipher_ctx(tfm);

	SHASH_DESC_ON_STACK(desc, ctx->hash);

	u8 digest[SHA256_DIGEST_SIZE];

	int ret;
@@ -166,8 +165,7 @@ static int __maybe_unused essiv_cbc_set_key(struct crypto_skcipher *tfm, 
	if (ret)

		return ret;



	desc->tfm = ctx->hash;

	crypto_shash_digest(desc, in_key, key_len, digest);

	crypto_shash_tfm_digest(ctx->hash, in_key, key_len, digest);



	return aes_expandkey(&ctx->key2, digest, sizeof(digest));

}