X.509: 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 15:13:29 +00:00 committed by David Howells
parent 72f9a07b6b
commit aa33003620

View File

@ -79,11 +79,7 @@ int x509_get_sig_params(struct x509_certificate *cert)
desc->tfm = tfm;
desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP;
ret = crypto_shash_init(desc);
if (ret < 0)
goto error_2;
might_sleep();
ret = crypto_shash_finup(desc, cert->tbs, cert->tbs_size, sig->digest);
ret = crypto_shash_digest(desc, cert->tbs, cert->tbs_size, sig->digest);
if (ret < 0)
goto error_2;