pkcs7: use crypto_shash_digest()

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@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Eric Biggers 2017-12-08 15:13:28 +00:00 committed by David Howells
parent 7204eb8590
commit a80745a6de

View File

@ -59,10 +59,7 @@ static int pkcs7_digest(struct pkcs7_message *pkcs7,
desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
/* Digest the message [RFC2315 9.3] */ /* Digest the message [RFC2315 9.3] */
ret = crypto_shash_init(desc); ret = crypto_shash_digest(desc, pkcs7->data, pkcs7->data_len,
if (ret < 0)
goto error;
ret = crypto_shash_finup(desc, pkcs7->data, pkcs7->data_len,
sig->digest); sig->digest);
if (ret < 0) if (ret < 0)
goto error; goto error;