From: Eric Biggers <ebiggers@xxxxxxxxxx>
Use crypto_shash_digest() instead of crypto_shash_init() followed by
crypto_shash_finup(). (For simplicity only; they are equivalent.)
Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
---
crypto/asymmetric_keys/pkcs7_verify.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/crypto/asymmetric_keys/pkcs7_verify.c b/crypto/asymmetric_keys/pkcs7_verify.c
index 063d6745c741..1647313872aa 100644
--- a/crypto/asymmetric_keys/pkcs7_verify.c
+++ b/crypto/asymmetric_keys/pkcs7_verify.c
@@ -59,11 +59,8 @@ static int pkcs7_digest(struct pkcs7_message *pkcs7,
desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
/* Digest the message [RFC2315 9.3] */
- ret = crypto_shash_init(desc);
- if (ret < 0)
- goto error;
- ret = crypto_shash_finup(desc, pkcs7->data, pkcs7->data_len,
- sig->digest);
+ ret = crypto_shash_digest(desc, pkcs7->data, pkcs7->data_len,
+ sig->digest);
if (ret < 0)
goto error;
pr_devel("MsgDigest = [%*ph]\n", 8, sig->digest);
--
2.15.0
