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-rw-r--r--crypto/digest.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/crypto/digest.c b/crypto/digest.c
index 603006a..0df7f39 100644
--- a/crypto/digest.c
+++ b/crypto/digest.c
@@ -76,12 +76,16 @@ static void final(struct crypto_tfm *tfm, u8 *out)
tfm->__crt_alg->cra_digest.dia_final(tfm, out);
}
+static int nosetkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
+{
+ tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK;
+ return -ENOSYS;
+}
+
static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
{
- u32 flags;
- if (tfm->__crt_alg->cra_digest.dia_setkey == NULL)
- return -ENOSYS;
- return tfm->__crt_alg->cra_digest.dia_setkey(tfm, key, keylen, &flags);
+ tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK;
+ return tfm->__crt_alg->cra_digest.dia_setkey(tfm, key, keylen);
}
static void digest(struct crypto_tfm *tfm,
@@ -100,12 +104,13 @@ int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags)
int crypto_init_digest_ops(struct crypto_tfm *tfm)
{
struct digest_tfm *ops = &tfm->crt_digest;
+ struct digest_alg *dalg = &tfm->__crt_alg->cra_digest;
ops->dit_init = init;
ops->dit_update = update;
ops->dit_final = final;
ops->dit_digest = digest;
- ops->dit_setkey = setkey;
+ ops->dit_setkey = dalg->dia_setkey ? setkey : nosetkey;
return crypto_alloc_hmac_block(tfm);
}