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-rw-r--r--crypto/shash.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 1fadb6b59bdcc..d99dc2f94c65f 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -191,6 +191,15 @@ static int shash_finup_unaligned(struct shash_desc *desc, const u8 *data,
shash_final_unaligned(desc, out);
}
+static int shash_default_finup(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ struct shash_alg *shash = crypto_shash_alg(desc->tfm);
+
+ return shash->update(desc, data, len) ?:
+ shash->final(desc, out);
+}
+
int crypto_shash_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
@@ -224,6 +233,15 @@ static int shash_digest_unaligned(struct shash_desc *desc, const u8 *data,
shash_final_unaligned(desc, out);
}
+static int shash_default_digest(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ struct shash_alg *shash = crypto_shash_alg(desc->tfm);
+
+ return shash->init(desc) ?:
+ shash->finup(desc, data, len, out);
+}
+
int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
@@ -656,9 +674,9 @@ static int shash_prepare_alg(struct shash_alg *alg)
base->cra_flags |= CRYPTO_ALG_TYPE_SHASH;
if (!alg->finup)
- alg->finup = shash_finup_unaligned;
+ alg->finup = shash_default_finup;
if (!alg->digest)
- alg->digest = shash_digest_unaligned;
+ alg->digest = shash_default_digest;
if (!alg->export) {
alg->export = shash_default_export;
alg->import = shash_default_import;