git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-14 09:37:46 -04:00
Code Issues Packages Projects Releases Wiki Activity

crypto: ahash - Add core export and import

Browse Source 
Add crypto_ahash_export_core and crypto_ahash_import_core.  For
now they only differ from the normal export/import functions when
going through shash.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2025-05-04 21:33:21 +08:00
parent fd66f2ab09
commit 1052671ca1
2 changed files with 48 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
crypto/ahash.c
View File

@@ -698,6 +698,16 @@ static int ahash_def_finup(struct ahash_request *req)
return ahash_def_finup_finish1(req, err);
}
int crypto_ahash_export_core(struct ahash_request *req, void *out)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
if (likely(tfm->using_shash))
return crypto_shash_export_core(ahash_request_ctx(req), out);
return crypto_ahash_alg(tfm)->export(req, out);
}
EXPORT_SYMBOL_GPL(crypto_ahash_export_core);
int crypto_ahash_export(struct ahash_request *req, void *out)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
@@ -708,6 +718,19 @@ int crypto_ahash_export(struct ahash_request *req, void *out)
}
EXPORT_SYMBOL_GPL(crypto_ahash_export);
int crypto_ahash_import_core(struct ahash_request *req, const void *in)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
if (likely(tfm->using_shash))
return crypto_shash_import_core(prepare_shash_desc(req, tfm),
in);
if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY)
return -ENOKEY;
return crypto_ahash_alg(tfm)->import(req, in);
}
EXPORT_SYMBOL_GPL(crypto_ahash_import_core);
int crypto_ahash_import(struct ahash_request *req, const void *in)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
@@ -716,7 +739,7 @@ int crypto_ahash_import(struct ahash_request *req, const void *in)
return crypto_shash_import(prepare_shash_desc(req, tfm), in);
if (crypto_ahash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY)
return -ENOKEY;
return crypto_ahash_alg(tfm)->import(req, in);
return crypto_ahash_import_core(req, in);
}
EXPORT_SYMBOL_GPL(crypto_ahash_import);