From nobody Sat Nov 15 01:15:22 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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=pass(p=reject dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1758151466; cv=none; d=zohomail.com; s=zohoarc; b=gClBhai8bNZqdkGmowN5vEanZ3tnGL1baQkDj0mszRwPa7vChw9hdRjhCk9JLYIX+IanhqhyDruSweKmkihRl7cdUwSn7d1ia/AEhHSLf1nKtmO64jraO+0i4NpFiM0TSqSQVIfRjc0jka5JFfuMyYaWEmbRNwToDicxw8BkASc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1758151466; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=/CF5Fyqc2sz7PhhtP8Zi1JnihpDpST/YNYMk2/vxLBE=; b=CTWWEZBIcGxpbsQD+OMg2tjgZ4+RJnzDhqUz0vpQoYeeP7y5vZNDRCa+r34OmTLjmgzEL6P0WdfqCOcSYy6TeCsSpCBFpcQ9eEh99DNQ82Kw0CytBvVILmvQKxXKF8t/+Cm2T8kpKFEkdrFCEnfoOh+vVrEAZCFo+N5X3+dOwbQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1758151466402828.0784163555627; Wed, 17 Sep 2025 16:24:26 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uz1Tf-0005gs-12; Wed, 17 Sep 2025 19:22:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uz1TA-0005Sd-PA; Wed, 17 Sep 2025 19:21:49 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uz1T8-0002OI-Dz; Wed, 17 Sep 2025 19:21:48 -0400 Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 58HJCttQ022029; Wed, 17 Sep 2025 23:21:45 GMT Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 497g4m6fc0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 17 Sep 2025 23:21:44 +0000 (GMT) Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 58HMaY1i008987; Wed, 17 Sep 2025 23:21:44 GMT Received: from smtprelay06.wdc07v.mail.ibm.com ([172.16.1.73]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 495nn3kghq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 17 Sep 2025 23:21:43 +0000 Received: from smtpav02.dal12v.mail.ibm.com (smtpav02.dal12v.mail.ibm.com [10.241.53.101]) by smtprelay06.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 58HNLgNK30016128 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 17 Sep 2025 23:21:42 GMT Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E36AB5805E; Wed, 17 Sep 2025 23:21:41 +0000 (GMT) Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D2E965805A; Wed, 17 Sep 2025 23:21:40 +0000 (GMT) Received: from fedora-workstation.ibmuc.com (unknown [9.61.34.172]) by smtpav02.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 17 Sep 2025 23:21:40 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=/CF5Fyqc2sz7PhhtP 8Zi1JnihpDpST/YNYMk2/vxLBE=; b=GVUOa0bANOQrkYVUSy6m79Q5YTHKDSOUl F2qwgaccZtACc87kh4lLhsGC1OJFzdEXelHJUB9Q4f+3j48rhqS/oF83T42LCJk5 asYtVn+16NTQ705LaEg28eo2BKt2JF+XfXxQYtbju9klGJceoCyJKIUKlG7nXFGU OAJB9uxP/2vx3BDr0sHdcG8eEvkkvPWX00MgE8I+/4IyLdzrj/ftB5wEZQjFLsk1 nzXiZG5sdvIhZ0RHgqGdWmGcz+VwSYG5h7ybx66yOoNkm8BYPPfxUdUg92NRokEo rlBU32QOrKziCESG/jUPGadxpo+ojJ7bP/zJ7NQsNTvkAhXevmd0A== From: Zhuoying Cai To: thuth@redhat.com, berrange@redhat.com, richard.henderson@linaro.org, david@redhat.com, jrossi@linux.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org Cc: walling@linux.ibm.com, jjherne@linux.ibm.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, farman@linux.ibm.com, mjrosato@linux.ibm.com, iii@linux.ibm.com, eblake@redhat.com, armbru@redhat.com, zycai@linux.ibm.com, alifm@linux.ibm.com Subject: [PATCH v6 08/28] crypto/x509-utils: Add helper functions for DIAG 320 subcode 2 Date: Wed, 17 Sep 2025 19:21:10 -0400 Message-ID: <20250917232131.495848-9-zycai@linux.ibm.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250917232131.495848-1-zycai@linux.ibm.com> References: <20250917232131.495848-1-zycai@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: G85fUajuC_-gXDPaW1L1JuKWKHc0BKj_ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTE2MDIwNCBTYWx0ZWRfX5C7HuX3Y2zT7 LrDK+lu4e/JlVMIqjjex2mcUi6+sGG0G9mUPGERg72CfrW22YjQ28vgkvDx9EI8cK0jm+brZ4vN 4UnVPGbe+TYGSEAQ5ndGExkT89lX74xPuVWzszlDaHMDPxj+XFPjHWn3Erk1Mb6Yy72t/GR+bQg +k5wdizte9TxCwBKE9oxR5lG3KeYa+z8eMZmqOumvI5dP10+lXjvHQ9yr7uDbZrnPPLgo3h4k+D 7ePkbXNY9FVKSX5/C0tKsNo4b93eI7W+IRJri76MsvzOfnJ3e+r/Z5m3KU2imticzuXfBwnXbMm 279eHzivDXiL9BYyqK3qgwwG7AFX/RNA1pH+W2kCt6JPquzlAcVdJ894ssUoB3L90FyluJOuaAc 3YbyRQN6 X-Proofpoint-ORIG-GUID: G85fUajuC_-gXDPaW1L1JuKWKHc0BKj_ X-Authority-Analysis: v=2.4 cv=QrNe3Uyd c=1 sm=1 tr=0 ts=68cb4288 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=yJojWOMRYYMA:10 a=VnNF1IyMAAAA:8 a=FrWqK8lHM1FzpY_CdjIA:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-17_01,2025-09-17_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 clxscore=1015 bulkscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509160204 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=148.163.158.5; envelope-from=zycai@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1758151469011116600 Content-Type: text/plain; charset="utf-8" Introduce new helper functions to extract certificate metadata needed for DIAG 320 subcode 2: qcrypto_x509_check_cert_times() - validates the certificate's validity peri= od against the current time qcrypto_x509_get_pk_algorithm() - returns the public key algorithm used in = the certificate qcrypto_x509_get_cert_key_id() - extracts the key ID from the certificate qcrypto_x509_is_ecc_curve_p521() - determines the ECC public key algorithm = uses P-521 curve These functions provide support for metadata extraction and validity checki= ng for X.509 certificates. Signed-off-by: Zhuoying Cai --- crypto/x509-utils.c | 248 ++++++++++++++++++++++++++++++++++++ include/crypto/x509-utils.h | 72 +++++++++++ 2 files changed, 320 insertions(+) diff --git a/crypto/x509-utils.c b/crypto/x509-utils.c index 5d43b0ec96..763eccb190 100644 --- a/crypto/x509-utils.c +++ b/crypto/x509-utils.c @@ -27,6 +27,25 @@ static const int qcrypto_to_gnutls_hash_alg_map[QCRYPTO_= HASH_ALGO__MAX] =3D { [QCRYPTO_HASH_ALGO_RIPEMD160] =3D GNUTLS_DIG_RMD160, }; =20 +static const int gnutls_to_qcrypto_pk_alg_map[] =3D { + [GNUTLS_PK_RSA] =3D QCRYPTO_PK_ALGO_RSA, + [GNUTLS_PK_DSA] =3D QCRYPTO_PK_ALGO_DSA, + [GNUTLS_PK_ECDSA] =3D QCRYPTO_PK_ALGO_ECDSA, + [GNUTLS_PK_RSA_OAEP] =3D QCRYPTO_PK_ALGO_RSA_OAEP, + [GNUTLS_PK_EDDSA_ED25519] =3D QCRYPTO_PK_ALGO_ED25519, + [GNUTLS_PK_EDDSA_ED448] =3D QCRYPTO_PK_ALGO_ED448, +}; + +static const int qcrypto_to_gnutls_keyid_flags_map[] =3D { + [QCRYPTO_HASH_ALGO_MD5] =3D -1, + [QCRYPTO_HASH_ALGO_SHA1] =3D GNUTLS_KEYID_USE_SHA1, + [QCRYPTO_HASH_ALGO_SHA224] =3D -1, + [QCRYPTO_HASH_ALGO_SHA256] =3D GNUTLS_KEYID_USE_SHA256, + [QCRYPTO_HASH_ALGO_SHA384] =3D -1, + [QCRYPTO_HASH_ALGO_SHA512] =3D GNUTLS_KEYID_USE_SHA512, + [QCRYPTO_HASH_ALGO_RIPEMD160] =3D -1, +}; + int qcrypto_get_x509_cert_fingerprint(uint8_t *cert, size_t size, QCryptoHashAlgo alg, uint8_t *result, @@ -122,6 +141,207 @@ cleanup: return ret; } =20 +int qcrypto_x509_check_cert_times(uint8_t *cert, size_t size, Error **errp) +{ + int rc; + int ret =3D -1; + gnutls_x509_crt_t crt; + gnutls_datum_t datum =3D {.data =3D cert, .size =3D size}; + time_t now =3D time(0); + time_t exp_time; + time_t act_time; + + if (now =3D=3D ((time_t)-1)) { + error_setg_errno(errp, errno, "Cannot get current time"); + return ret; + } + + rc =3D gnutls_x509_crt_init(&crt); + if (rc < 0) { + error_setg(errp, "Failed to initialize certificate: %s", gnutls_st= rerror(rc)); + return ret; + } + + rc =3D gnutls_x509_crt_import(crt, &datum, GNUTLS_X509_FMT_PEM); + if (rc !=3D 0) { + error_setg(errp, "Failed to import certificate: %s", gnutls_strerr= or(rc)); + goto cleanup; + } + + exp_time =3D gnutls_x509_crt_get_expiration_time(crt); + if (exp_time =3D=3D ((time_t)-1)) { + error_setg(errp, "Failed to get certificate expiration time"); + goto cleanup; + } + if (exp_time < now) { + error_setg(errp, "The certificate has expired"); + goto cleanup; + } + + act_time =3D gnutls_x509_crt_get_activation_time(crt); + if (act_time =3D=3D ((time_t)-1)) { + error_setg(errp, "Failed to get certificate activation time"); + goto cleanup; + } + if (act_time > now) { + error_setg(errp, "The certificate is not yet active"); + goto cleanup; + } + + ret =3D 0; + +cleanup: + gnutls_x509_crt_deinit(crt); + return ret; +} + +int qcrypto_x509_get_pk_algorithm(uint8_t *cert, size_t size, Error **errp) +{ + int rc; + int ret =3D -1; + unsigned int bits; + gnutls_x509_crt_t crt; + gnutls_datum_t datum =3D {.data =3D cert, .size =3D size}; + + rc =3D gnutls_x509_crt_init(&crt); + if (rc < 0) { + error_setg(errp, "Failed to initialize certificate: %s", gnutls_st= rerror(rc)); + return ret; + } + + rc =3D gnutls_x509_crt_import(crt, &datum, GNUTLS_X509_FMT_PEM); + if (rc !=3D 0) { + error_setg(errp, "Failed to import certificate: %s", gnutls_strerr= or(rc)); + goto cleanup; + } + + rc =3D gnutls_x509_crt_get_pk_algorithm(crt, &bits); + if (rc >=3D G_N_ELEMENTS(gnutls_to_qcrypto_pk_alg_map)) { + error_setg(errp, "Unknown public key algorithm %d", rc); + goto cleanup; + } + + ret =3D gnutls_to_qcrypto_pk_alg_map[rc]; + +cleanup: + gnutls_x509_crt_deinit(crt); + return ret; +} + +int qcrypto_x509_get_cert_key_id(uint8_t *cert, size_t size, + QCryptoHashAlgo hash_alg, + uint8_t **result, + size_t *resultlen, + Error **errp) +{ + int rc; + int ret =3D -1; + gnutls_x509_crt_t crt; + gnutls_datum_t datum =3D {.data =3D cert, .size =3D size}; + + if (hash_alg >=3D G_N_ELEMENTS(qcrypto_to_gnutls_hash_alg_map)) { + error_setg(errp, "Unknown hash algorithm %d", hash_alg); + return ret; + } + + if (qcrypto_to_gnutls_keyid_flags_map[hash_alg] =3D=3D -1 || + hash_alg >=3D G_N_ELEMENTS(qcrypto_to_gnutls_keyid_flags_map)) { + error_setg(errp, "Unsupported key id flag %d", hash_alg); + return ret; + } + + rc =3D gnutls_x509_crt_init(&crt); + if (rc < 0) { + error_setg(errp, "Failed to initialize certificate: %s", gnutls_st= rerror(rc)); + return ret; + } + + rc =3D gnutls_x509_crt_import(crt, &datum, GNUTLS_X509_FMT_PEM); + if (rc !=3D 0) { + error_setg(errp, "Failed to import certificate: %s", gnutls_strerr= or(rc)); + goto cleanup; + } + + *resultlen =3D gnutls_hash_get_len(qcrypto_to_gnutls_hash_alg_map[hash= _alg]); + if (*resultlen =3D=3D 0) { + error_setg(errp, "Failed to get hash algorithn length: %s", gnutls= _strerror(rc)); + goto cleanup; + } + + *result =3D g_malloc0(*resultlen); + if (gnutls_x509_crt_get_key_id(crt, + qcrypto_to_gnutls_keyid_flags_map[hash_= alg], + *result, resultlen) !=3D 0) { + error_setg(errp, "Failed to get key ID from certificate"); + g_clear_pointer(result, g_free); + goto cleanup; + } + + ret =3D 0; + +cleanup: + gnutls_x509_crt_deinit(crt); + return ret; +} + +static int qcrypto_x509_get_ecc_curve(uint8_t *cert, size_t size, Error **= errp) +{ + int rc; + int ret =3D -1; + gnutls_x509_crt_t crt; + gnutls_datum_t datum =3D {.data =3D cert, .size =3D size}; + gnutls_ecc_curve_t curve_id; + gnutls_datum_t x =3D {.data =3D NULL, .size =3D 0}; + gnutls_datum_t y =3D {.data =3D NULL, .size =3D 0}; + + rc =3D gnutls_x509_crt_init(&crt); + if (rc < 0) { + error_setg(errp, "Failed to initialize certificate: %s", gnutls_st= rerror(rc)); + return ret; + } + + rc =3D gnutls_x509_crt_import(crt, &datum, GNUTLS_X509_FMT_PEM); + if (rc !=3D 0) { + error_setg(errp, "Failed to import certificate: %s", gnutls_strerr= or(rc)); + goto cleanup; + } + + rc =3D gnutls_x509_crt_get_pk_ecc_raw(crt, &curve_id, &x, &y); + if (rc !=3D 0) { + error_setg(errp, "Failed to get ECC public key curve: %s", gnutls_= strerror(rc)); + goto cleanup; + } + + ret =3D curve_id; + +cleanup: + gnutls_x509_crt_deinit(crt); + gnutls_free(x.data); + gnutls_free(y.data); + return ret; +} + +int qcrypto_x509_is_ecc_curve_p521(uint8_t *cert, size_t size, Error **err= p) +{ + int curve_id; + + curve_id =3D qcrypto_x509_get_ecc_curve(cert, size, errp); + if (curve_id =3D=3D -1) { + return -1; + } + + if (curve_id =3D=3D GNUTLS_ECC_CURVE_INVALID) { + error_setg(errp, "Invalid ECC curve"); + return -1; + } + + if (curve_id =3D=3D GNUTLS_ECC_CURVE_SECP521R1) { + return 1; + } + + return 0; +} + #else /* ! CONFIG_GNUTLS */ =20 int qcrypto_get_x509_cert_fingerprint(uint8_t *cert, size_t size, @@ -143,4 +363,32 @@ int qcrypto_x509_convert_cert_der(uint8_t *cert, size_= t size, return -1; } =20 +int qcrypto_x509_check_cert_times(uint8_t *cert, size_t size, Error **errp) +{ + error_setg(errp, "GNUTLS is required to get certificate times"); + return -1; +} + +int qcrypto_x509_get_pk_algorithm(uint8_t *cert, size_t size, Error **errp) +{ + error_setg(errp, "GNUTLS is required to get public key algorithm"); + return -1; +} + +int qcrypto_x509_get_cert_key_id(uint8_t *cert, size_t size, + QCryptoHashAlgo hash_alg, + uint8_t **result, + size_t *resultlen, + Error **errp) +{ + error_setg(errp, "GNUTLS is required to get key ID"); + return -1; +} + +int qcrypto_x509_is_ecc_curve_p521(uint8_t *cert, size_t size, Error **err= p) +{ + error_setg(errp, "GNUTLS is required to determine ecc curve"); + return -1; +} + #endif /* ! CONFIG_GNUTLS */ diff --git a/include/crypto/x509-utils.h b/include/crypto/x509-utils.h index 4239e3e55a..6fc8d982b7 100644 --- a/include/crypto/x509-utils.h +++ b/include/crypto/x509-utils.h @@ -13,6 +13,15 @@ =20 #include "crypto/hash.h" =20 +typedef enum { + QCRYPTO_PK_ALGO_RSA, + QCRYPTO_PK_ALGO_DSA, + QCRYPTO_PK_ALGO_ECDSA, + QCRYPTO_PK_ALGO_RSA_OAEP, + QCRYPTO_PK_ALGO_ED25519, + QCRYPTO_PK_ALGO_ED448, +} QCryptoPkAlgo; + int qcrypto_get_x509_cert_fingerprint(uint8_t *cert, size_t size, QCryptoHashAlgo hash, uint8_t *result, @@ -39,4 +48,67 @@ int qcrypto_x509_convert_cert_der(uint8_t *cert, size_t = size, size_t *resultlen, Error **errp); =20 +/** + * qcrypto_x509_check_cert_times + * @cert: pointer to the raw certificate data + * @size: size of the certificate + * @errp: error pointer + * + * Check whether the activation and expiration times of @cert + * are valid at the current time. + * + * Returns: 0 if the certificate times are valid, + * -1 on error. + */ +int qcrypto_x509_check_cert_times(uint8_t *cert, size_t size, Error **errp= ); + +/** + * qcrypto_x509_get_pk_algorithm + * @cert: pointer to the raw certificate data + * @size: size of the certificate + * @errp: error pointer + * + * Determine the public key algorithm of the @cert. + * + * Returns: a value from the QCryptoPkAlgo enum on success, + * -1 on error. + */ +int qcrypto_x509_get_pk_algorithm(uint8_t *cert, size_t size, Error **errp= ); + +/** + * qcrypto_x509_get_cert_key_id + * @cert: pointer to the raw certificate data + * @size: size of the certificate + * @hash_alg: the hash algorithm flag + * @result: output location for the allocated buffer for key ID + (the function allocates memory which must be freed by the call= er) + * @resultlen: pointer to the size of the buffer + (will be updated with the actual size of key id) + * @errp: error pointer + * + * Retrieve the key ID from the @cert based on the specified @flag. + * + * Returns: 0 if key ID was successfully stored in @result, + * -1 on error. + */ +int qcrypto_x509_get_cert_key_id(uint8_t *cert, size_t size, + QCryptoHashAlgo hash_alg, + uint8_t **result, + size_t *resultlen, + Error **errp); + +/** + * qcrypto_x509_is_ecc_curve_p521 + * @cert: pointer to the raw certificate data + * @size: size of the certificate + * @errp: error pointer + * + * Determine whether the ECC public key in the given certificate uses the = P-521 curve. + * + * Returns: 0 if ECC public key does not use P521 curve. + * 1 if ECC public key uses P521 curve. + -1 on error. + */ +int qcrypto_x509_is_ecc_curve_p521(uint8_t *cert, size_t size, Error **err= p); + #endif --=20 2.50.1