From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Biggers Subject: [PATCH] pkcs7: use crypto_shash_digest() Date: Sun, 26 Nov 2017 23:20:05 -0800 Message-ID: <20171127072005.26333-1-ebiggers3@gmail.com> Cc: linux-crypto@vger.kernel.org, Eric Biggers To: keyrings@vger.kernel.org, David Howells Return-path: Received: from mail-pl0-f66.google.com ([209.85.160.66]:40269 "EHLO mail-pl0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751710AbdK0HUL (ORCPT ); Mon, 27 Nov 2017 02:20:11 -0500 Sender: linux-crypto-owner@vger.kernel.org List-ID: From: Eric Biggers 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 --- 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