{"id":2219386,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2219386/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260402221453.1602899-4-zycai@linux.ibm.com>","date":"2026-04-02T22:14:25","name":"[v10,03/30] crypto/x509-utils: Add helper functions for certificate store","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"d2b865a3bd2337ca2f5272d31d2fbed5513f3738","submitter":{"id":90643,"url":"http://patchwork.ozlabs.org/api/1.0/people/90643/?format=json","name":"Zhuoying Cai","email":"zycai@linux.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402221453.1602899-4-zycai@linux.ibm.com/mbox/","series":[{"id":498557,"url":"http://patchwork.ozlabs.org/api/1.0/series/498557/?format=json","date":"2026-04-02T22:14:35","name":"Secure IPL Support for SCSI Scheme of virtio-blk/virtio-scsi Devices","version":10,"mbox":"http://patchwork.ozlabs.org/series/498557/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219386/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=s2czc4xv;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=UTF-8","Content-Transfer-Encoding":"8bit","X-TM-AS-GCONF":"00","X-Authority-Analysis":"v=2.4 cv=RsjI7SmK c=1 sm=1 tr=0 ts=69ceea70 cx=c_pps\n a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17\n a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8\n a=20KFwNOVAAAA:8 a=GX81FK21qHpjiM7aGUoA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10","X-Proofpoint-GUID":"mXYY91L_o89b9cE26ZPkjMSN19Y2Pfkk","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNDAyMDE5NSBTYWx0ZWRfX/SD6+GJJDpIw\n pF4yfc5IhkxwrzbBSlmrMQ9JIAREvDgu4ttd6Ob7cZ9Vv1pHvJTb0PIg2v3y5JtapawgPXq29zg\n oc0W28UVNmt5h3JqIvBP53YBv/SlPpEAT1r4BacM45vh5qNpP1QBBGxOpmOQBil3fA7ZNS7hhyY\n JMYgICq+vNzE5C0jBEhdLn1C34RjZjOCMlv9whBhiPUtr+h/N6zoy7sa2ountSfrRIp1ZDOq7Fg\n LZM/9lku6CXamyA7PBB01c2cM+vobNgciBF2Df3fTwEwkv+niVBbWs+qGcbUZXxjY+JvtLx4M+x\n 2kVfHCrHH2/r/28bWY7o3F93rMQE2hO08mQe2GiaHVsJMeOjTqPAEojf4iPCqgoq4yuaI1RIKae\n /FuT172PCQ6Ew8AFOpq42dRDvAUCuEvwAuCrm+WJkt+jnyPtv4qfITC8SDHrdWg7QzycOOye69j\n RZcqlABHggd+6/gM6FA==","X-Proofpoint-ORIG-GUID":"mXYY91L_o89b9cE26ZPkjMSN19Y2Pfkk","X-Proofpoint-Virus-Version":"vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-02_04,2026-04-02_05,2025-10-01_01","X-Proofpoint-Spam-Details":"rule=outbound_notspam policy=outbound score=0\n impostorscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0\n suspectscore=0 malwarescore=0 spamscore=0 clxscore=1011 phishscore=0\n adultscore=0 classifier=typeunknown authscore=0 authtc= authcc=\n route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001\n definitions=main-2604020195","Received-SPF":"pass client-ip=148.163.158.5; envelope-from=zycai@linux.ibm.com;\n 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,\n DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7,\n RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n 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":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Introduce new helper functions for x509 certificate, which will be used\nby the certificate store:\n\nqcrypto_x509_convert_cert_der() - converts a certificate from PEM to DER format\n\nThese functions provide support for certificate format conversion.\n\nSigned-off-by: Zhuoying Cai \nAcked-by: Daniel P. Berrangé \nReviewed-by: Daniel P. Berrangé \nReviewed-by: Farhan Ali \nReviewed-by: Thomas Huth \n---\n crypto/x509-utils.c | 49 +++++++++++++++++++++++++++++++++++++\n include/crypto/x509-utils.h | 21 ++++++++++++++++\n 2 files changed, 70 insertions(+)","diff":"diff --git a/crypto/x509-utils.c b/crypto/x509-utils.c\nindex 6176a88653..2696d48155 100644\n--- a/crypto/x509-utils.c\n+++ b/crypto/x509-utils.c\n@@ -81,6 +81,46 @@ int qcrypto_get_x509_cert_fingerprint(uint8_t *cert, size_t size,\n return ret;\n }\n \n+int qcrypto_x509_convert_cert_der(uint8_t *cert, size_t size,\n+ uint8_t **result, size_t *resultlen,\n+ Error **errp)\n+{\n+ int ret = -1;\n+ int rc;\n+ gnutls_x509_crt_t crt;\n+ gnutls_datum_t datum = {.data = cert, .size = size};\n+ gnutls_datum_t datum_der = {.data = NULL, .size = 0};\n+\n+ rc = gnutls_x509_crt_init(&crt);\n+ if (rc < 0) {\n+ error_setg(errp, \"Failed to initialize certificate: %s\", gnutls_strerror(rc));\n+ return ret;\n+ }\n+\n+ rc = gnutls_x509_crt_import(crt, &datum, GNUTLS_X509_FMT_PEM);\n+ if (rc != 0) {\n+ error_setg(errp, \"Failed to import certificate: %s\", gnutls_strerror(rc));\n+ goto cleanup;\n+ }\n+\n+ rc = gnutls_x509_crt_export2(crt, GNUTLS_X509_FMT_DER, &datum_der);\n+ if (rc != 0) {\n+ error_setg(errp, \"Failed to convert certificate to DER format: %s\",\n+ gnutls_strerror(rc));\n+ goto cleanup;\n+ }\n+\n+ *resultlen = datum_der.size;\n+ *result = g_memdup2(datum_der.data, datum_der.size);\n+\n+ ret = 0;\n+\n+cleanup:\n+ gnutls_x509_crt_deinit(crt);\n+ gnutls_free(datum_der.data);\n+ return ret;\n+}\n+\n #else /* ! CONFIG_GNUTLS */\n \n int qcrypto_get_x509_cert_fingerprint(uint8_t *cert, size_t size,\n@@ -93,4 +133,13 @@ int qcrypto_get_x509_cert_fingerprint(uint8_t *cert, size_t size,\n return -1;\n }\n \n+int qcrypto_x509_convert_cert_der(uint8_t *cert, size_t size,\n+ uint8_t **result,\n+ size_t *resultlen,\n+ Error **errp)\n+{\n+ error_setg(errp, \"GNUTLS is required to export X.509 certificate\");\n+ return -1;\n+}\n+\n #endif /* ! CONFIG_GNUTLS */\ndiff --git a/include/crypto/x509-utils.h b/include/crypto/x509-utils.h\nindex 1e99661a71..91ae79fb03 100644\n--- a/include/crypto/x509-utils.h\n+++ b/include/crypto/x509-utils.h\n@@ -19,4 +19,25 @@ int qcrypto_get_x509_cert_fingerprint(uint8_t *cert, size_t size,\n size_t *resultlen,\n Error **errp);\n \n+/**\n+ * qcrypto_x509_convert_cert_der\n+ * @cert: pointer to the raw certificate data in PEM format\n+ * @size: size of the certificate\n+ * @result: output location for the allocated buffer for the certificate\n+ * in DER format\n+ * (the function allocates memory which must be freed by the caller)\n+ * @resultlen: pointer to the size of the buffer (will be updated with the\n+ * actual size of the DER-encoded certificate)\n+ * @errp: error pointer\n+ *\n+ * Convert the given @cert from PEM to DER format.\n+ *\n+ * Returns: 0 on success,\n+ * -1 on error.\n+ */\n+int qcrypto_x509_convert_cert_der(uint8_t *cert, size_t size,\n+ uint8_t **result,\n+ size_t *resultlen,\n+ Error **errp);\n+\n #endif\n","prefixes":["v10","03/30"]}