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Commit 6f221f7e authored by Kamil Konieczny's avatar Kamil Konieczny Committed by Herbert Xu
Browse files

crypto: hash - Require export/import in ahash



Export and import are mandatory in async hash. As drivers were
rewritten, drop empty wrappers and correct init of ahash transformation.

Signed-off-by: default avatarKamil Konieczny <k.konieczny@partner.samsung.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent f1b29810
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+2 −16
Original line number Diff line number Diff line
@@ -446,24 +446,12 @@ static int ahash_def_finup(struct ahash_request *req)
	return ahash_def_finup_finish1(req, err);
}

static int ahash_no_export(struct ahash_request *req, void *out)
{
	return -ENOSYS;
}

static int ahash_no_import(struct ahash_request *req, const void *in)
{
	return -ENOSYS;
}

static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
{
	struct crypto_ahash *hash = __crypto_ahash_cast(tfm);
	struct ahash_alg *alg = crypto_ahash_alg(hash);

	hash->setkey = ahash_nosetkey;
	hash->export = ahash_no_export;
	hash->import = ahash_no_import;

	if (tfm->__crt_alg->cra_type != &crypto_ahash_type)
		return crypto_init_shash_ops_async(tfm);
@@ -473,16 +461,14 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
	hash->final = alg->final;
	hash->finup = alg->finup ?: ahash_def_finup;
	hash->digest = alg->digest;
	hash->export = alg->export;
	hash->import = alg->import;

	if (alg->setkey) {
		hash->setkey = alg->setkey;
		if (!(alg->halg.base.cra_flags & CRYPTO_ALG_OPTIONAL_KEY))
			crypto_ahash_set_flags(hash, CRYPTO_TFM_NEED_KEY);
	}
	if (alg->export)
		hash->export = alg->export;
	if (alg->import)
		hash->import = alg->import;

	return 0;
}