From nobody Mon Feb 9 02:28:17 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1625566376654211.47080941524155; Tue, 6 Jul 2021 03:12:56 -0700 (PDT) Received: from localhost ([::1]:57614 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m0i4V-0007gq-Hv for importer@patchew.org; Tue, 06 Jul 2021 06:12:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41782) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m0hs6-0005b4-TA for qemu-devel@nongnu.org; Tue, 06 Jul 2021 06:00:06 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:36661) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m0hs3-000189-MR for qemu-devel@nongnu.org; Tue, 06 Jul 2021 06:00:06 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-147-BSh6JGLUO4SGOZIKkFOj8Q-1; Tue, 06 Jul 2021 06:00:01 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8C77A362FE for ; Tue, 6 Jul 2021 10:00:00 +0000 (UTC) Received: from domokun.gsslab.fab.redhat.com (gx270-2.gsslab.fab.redhat.com [10.33.8.41]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9A39B1ABD2; Tue, 6 Jul 2021 09:59:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1625565602; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NO3k4FsZx4YkcjhzFkVa3V5z82l0fgnmDrL0vN6JSPY=; b=UuUtNEzFHZaEhYEtZW0xwqRR3pHVvo/gL0PWhKCkPyVT52X9EkHvjgR9GzgD/Jk6+al/H6 ATcgbKf4XduVSJtJR2T5Ec3G+DFib0OgdouQJf3PIJbuEXDjMMHXggg7JoQJlqDCV05h77 FsQUnp5osoGs1fnZKEih0meJ4Bq2ztw= X-MC-Unique: BSh6JGLUO4SGOZIKkFOj8Q-1 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 15/18] crypto: add gnutls hash provider Date: Tue, 6 Jul 2021 10:59:21 +0100 Message-Id: <20210706095924.764117-16-berrange@redhat.com> In-Reply-To: <20210706095924.764117-1-berrange@redhat.com> References: <20210706095924.764117-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.442, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eric Blake , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1625566383063100001 This adds support for using gnutls as a provider of the crypto hash APIs. Signed-off-by: Daniel P. Berrang=C3=A9 Reviewed-by: Eric Blake --- crypto/hash-gnutls.c | 104 +++++++++++++++++++++++++++++++++++++++++++ crypto/meson.build | 2 + 2 files changed, 106 insertions(+) create mode 100644 crypto/hash-gnutls.c diff --git a/crypto/hash-gnutls.c b/crypto/hash-gnutls.c new file mode 100644 index 0000000000..f88db71f00 --- /dev/null +++ b/crypto/hash-gnutls.c @@ -0,0 +1,104 @@ +/* + * QEMU Crypto hash algorithms + * + * Copyright (c) 2016 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + * + */ + +#include "qemu/osdep.h" +#include +#include "qapi/error.h" +#include "crypto/hash.h" +#include "hashpriv.h" + + +static int qcrypto_hash_alg_map[QCRYPTO_HASH_ALG__MAX] =3D { + [QCRYPTO_HASH_ALG_MD5] =3D GNUTLS_DIG_MD5, + [QCRYPTO_HASH_ALG_SHA1] =3D GNUTLS_DIG_SHA1, + [QCRYPTO_HASH_ALG_SHA224] =3D GNUTLS_DIG_SHA224, + [QCRYPTO_HASH_ALG_SHA256] =3D GNUTLS_DIG_SHA256, + [QCRYPTO_HASH_ALG_SHA384] =3D GNUTLS_DIG_SHA384, + [QCRYPTO_HASH_ALG_SHA512] =3D GNUTLS_DIG_SHA512, + [QCRYPTO_HASH_ALG_RIPEMD160] =3D GNUTLS_DIG_RMD160, +}; + +gboolean qcrypto_hash_supports(QCryptoHashAlgorithm alg) +{ + size_t i; + const gnutls_digest_algorithm_t *algs; + if (alg >=3D G_N_ELEMENTS(qcrypto_hash_alg_map) || + qcrypto_hash_alg_map[alg] =3D=3D GNUTLS_DIG_UNKNOWN) { + return false; + } + algs =3D gnutls_digest_list(); + for (i =3D 0; algs[i] !=3D GNUTLS_DIG_UNKNOWN; i++) { + if (algs[i] =3D=3D qcrypto_hash_alg_map[alg]) { + return true; + } + } + return false; +} + + +static int +qcrypto_gnutls_hash_bytesv(QCryptoHashAlgorithm alg, + const struct iovec *iov, + size_t niov, + uint8_t **result, + size_t *resultlen, + Error **errp) +{ + int i, ret; + gnutls_hash_hd_t hash; + + if (!qcrypto_hash_supports(alg)) { + error_setg(errp, + "Unknown hash algorithm %d", + alg); + return -1; + } + + ret =3D gnutls_hash_get_len(qcrypto_hash_alg_map[alg]); + if (*resultlen =3D=3D 0) { + *resultlen =3D ret; + *result =3D g_new0(uint8_t, *resultlen); + } else if (*resultlen !=3D ret) { + error_setg(errp, + "Result buffer size %zu is smaller than hash %d", + *resultlen, ret); + return -1; + } + + ret =3D gnutls_hash_init(&hash, qcrypto_hash_alg_map[alg]); + if (ret < 0) { + error_setg(errp, + "Unable to initialize hash algorithm: %s", + gnutls_strerror(ret)); + return -1; + } + + for (i =3D 0; i < niov; i++) { + gnutls_hash(hash, iov[i].iov_base, iov[i].iov_len); + } + + gnutls_hash_deinit(hash, *result); + return 0; +} + + +QCryptoHashDriver qcrypto_hash_lib_driver =3D { + .hash_bytesv =3D qcrypto_gnutls_hash_bytesv, +}; diff --git a/crypto/meson.build b/crypto/meson.build index fc8de287e1..d6df83f2ab 100644 --- a/crypto/meson.build +++ b/crypto/meson.build @@ -28,6 +28,8 @@ if nettle.found() endif elif gcrypt.found() crypto_ss.add(gcrypt, files('hash-gcrypt.c', 'hmac-gcrypt.c', 'pbkdf-gcr= ypt.c')) +elif gnutls_crypto.found() + crypto_ss.add(gnutls, files('hash-gnutls.c', 'hmac-glib.c', 'pbkdf-stub.= c') else crypto_ss.add(files('hash-glib.c', 'hmac-glib.c', 'pbkdf-stub.c')) endif --=20 2.31.1