From nobody Wed May 14 06:48:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 15260538299787.74751381442411; Fri, 11 May 2018 08:50:29 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2A2F9641C7; Fri, 11 May 2018 15:50:28 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E1AA560BE5; Fri, 11 May 2018 15:50:27 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 95FE64CAB0; Fri, 11 May 2018 15:50:27 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w4BFoL9X017719 for ; Fri, 11 May 2018 11:50:21 -0400 Received: by smtp.corp.redhat.com (Postfix) id 10CD87D55C; Fri, 11 May 2018 15:50:21 +0000 (UTC) Received: from icr.brq.redhat.com (unknown [10.43.2.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id AA47383B7A for ; Fri, 11 May 2018 15:50:20 +0000 (UTC) From: =?UTF-8?q?J=C3=A1n=20Tomko?= To: libvir-list@redhat.com Date: Fri, 11 May 2018 17:50:12 +0200 Message-Id: <5819c3072adfb8f830cd02ef18523878ed621bad.1526053739.git.jtomko@redhat.com> In-Reply-To: References: In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-loop: libvir-list@redhat.com Subject: [libvirt] [PATCH 2/5] Introduce virCryptoHashBuf X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Fri, 11 May 2018 15:50:29 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 A function that keeps the hash in binary form instead of converting it to human-readable hexadecimal form. Signed-off-by: J=C3=A1n Tomko --- src/util/vircrypto.c | 31 +++++++++++++++++++++---------- src/util/vircrypto.h | 7 +++++++ 2 files changed, 28 insertions(+), 10 deletions(-) diff --git a/src/util/vircrypto.c b/src/util/vircrypto.c index 48b04fc8ce..1a2dcc28b7 100644 --- a/src/util/vircrypto.c +++ b/src/util/vircrypto.c @@ -54,28 +54,39 @@ struct virHashInfo { verify(ARRAY_CARDINALITY(hashinfo) =3D=3D VIR_CRYPTO_HASH_LAST); =20 int -virCryptoHashString(virCryptoHash hash, - const char *input, - char **output) +virCryptoHashBuf(virCryptoHash hash, + const char *input, + unsigned char *output) { - unsigned char buf[VIR_CRYPTO_LARGEST_DIGEST_SIZE]; - size_t hashstrlen; - size_t i; - if (hash >=3D VIR_CRYPTO_HASH_LAST) { virReportError(VIR_ERR_INVALID_ARG, _("Unknown crypto hash %d"), hash); return -1; } =20 - hashstrlen =3D (hashinfo[hash].hashlen * 2) + 1; - - if (!(hashinfo[hash].func(input, strlen(input), buf))) { + if (!(hashinfo[hash].func(input, strlen(input), output))) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Unable to compute hash of data")); return -1; } =20 + return 0; +} + +int +virCryptoHashString(virCryptoHash hash, + const char *input, + char **output) +{ + unsigned char buf[VIR_CRYPTO_LARGEST_DIGEST_SIZE]; + size_t hashstrlen; + size_t i; + + if (virCryptoHashBuf(hash, input, buf) < 0) + return -1; + + hashstrlen =3D (hashinfo[hash].hashlen * 2) + 1; + if (VIR_ALLOC_N(*output, hashstrlen) < 0) return -1; =20 diff --git a/src/util/vircrypto.h b/src/util/vircrypto.h index 81743d2f74..64984006be 100644 --- a/src/util/vircrypto.h +++ b/src/util/vircrypto.h @@ -41,6 +41,13 @@ typedef enum { VIR_CRYPTO_CIPHER_LAST } virCryptoCipher; =20 +int +virCryptoHashBuf(virCryptoHash hash, + const char *input, + unsigned char *output) + ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3) + ATTRIBUTE_RETURN_CHECK; + int virCryptoHashString(virCryptoHash hash, const char *input, --=20 2.16.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list