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	The structures mbedtls_x509_time, mbedtls_x509_crl_entry, mbedtls_x509_crl, mbedtls_x509_crt, mbedtls_x509_san_other_name, mbedtls_x509_subject_alternative_name, mbedtls_x509_csr are designed to expose the result of parsing X.509 data. Document many of their fields as being publicly readable. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
		
			
				
	
	
		
			806 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			806 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  *  Certificate generation and signing
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|  *
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|  *  Copyright The Mbed TLS Contributors
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|  *  SPDX-License-Identifier: Apache-2.0
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|  *
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|  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
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|  *  not use this file except in compliance with the License.
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|  *  You may obtain a copy of the License at
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|  *
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|  *  http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  *  Unless required by applicable law or agreed to in writing, software
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|  *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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|  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  *  See the License for the specific language governing permissions and
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|  *  limitations under the License.
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|  */
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| 
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| #include "mbedtls/build_info.h"
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| 
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| #if defined(MBEDTLS_PLATFORM_C)
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| #include "mbedtls/platform.h"
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| #else
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| #include <stdio.h>
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| #include <stdlib.h>
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| #define mbedtls_printf          printf
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| #define mbedtls_exit            exit
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| #define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
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| #define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
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| #endif /* MBEDTLS_PLATFORM_C */
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| 
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| #if !defined(MBEDTLS_X509_CRT_WRITE_C) || \
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|     !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
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|     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
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|     !defined(MBEDTLS_ERROR_C) || !defined(MBEDTLS_SHA256_C) || \
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|     !defined(MBEDTLS_PEM_WRITE_C)
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| int main( void )
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| {
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|     mbedtls_printf( "MBEDTLS_X509_CRT_WRITE_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
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|             "MBEDTLS_FS_IO and/or MBEDTLS_SHA256_C and/or "
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|             "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
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|             "MBEDTLS_ERROR_C not defined.\n");
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|     mbedtls_exit( 0 );
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| }
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| #else
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| 
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| #include "mbedtls/x509_crt.h"
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| #include "mbedtls/x509_csr.h"
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| #include "mbedtls/entropy.h"
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| #include "mbedtls/ctr_drbg.h"
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| #include "mbedtls/md.h"
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| #include "mbedtls/error.h"
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| 
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| #include <stdio.h>
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| #include <stdlib.h>
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| #include <string.h>
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| 
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| #if defined(MBEDTLS_X509_CSR_PARSE_C)
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| #define USAGE_CSR                                                           \
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|     "    request_file=%%s         default: (empty)\n"                           \
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|     "                            If request_file is specified, subject_key,\n"  \
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|     "                            subject_pwd and subject_name are ignored!\n"
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| #else
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| #define USAGE_CSR ""
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| #endif /* MBEDTLS_X509_CSR_PARSE_C */
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| 
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| #define DFL_ISSUER_CRT          ""
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| #define DFL_REQUEST_FILE        ""
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| #define DFL_SUBJECT_KEY         "subject.key"
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| #define DFL_ISSUER_KEY          "ca.key"
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| #define DFL_SUBJECT_PWD         ""
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| #define DFL_ISSUER_PWD          ""
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| #define DFL_OUTPUT_FILENAME     "cert.crt"
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| #define DFL_SUBJECT_NAME        "CN=Cert,O=mbed TLS,C=UK"
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| #define DFL_ISSUER_NAME         "CN=CA,O=mbed TLS,C=UK"
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| #define DFL_NOT_BEFORE          "20010101000000"
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| #define DFL_NOT_AFTER           "20301231235959"
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| #define DFL_SERIAL              "1"
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| #define DFL_SELFSIGN            0
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| #define DFL_IS_CA               0
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| #define DFL_MAX_PATHLEN         -1
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| #define DFL_KEY_USAGE           0
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| #define DFL_NS_CERT_TYPE        0
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| #define DFL_VERSION             3
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| #define DFL_AUTH_IDENT          1
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| #define DFL_SUBJ_IDENT          1
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| #define DFL_CONSTRAINTS         1
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| #define DFL_DIGEST              MBEDTLS_MD_SHA256
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| 
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| #define USAGE \
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|     "\n usage: cert_write param=<>...\n"                \
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|     "\n acceptable parameters:\n"                       \
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|     USAGE_CSR                                           \
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|     "    subject_key=%%s          default: subject.key\n"   \
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|     "    subject_pwd=%%s          default: (empty)\n"       \
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|     "    subject_name=%%s         default: CN=Cert,O=mbed TLS,C=UK\n"   \
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|     "\n"                                                \
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|     "    issuer_crt=%%s           default: (empty)\n"       \
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|     "                            If issuer_crt is specified, issuer_name is\n"  \
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|     "                            ignored!\n"                \
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|     "    issuer_name=%%s          default: CN=CA,O=mbed TLS,C=UK\n"     \
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|     "\n"                                                \
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|     "    selfsign=%%d             default: 0 (false)\n"     \
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|     "                            If selfsign is enabled, issuer_name and\n" \
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|     "                            issuer_key are required (issuer_crt and\n" \
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|     "                            subject_* are ignored\n"   \
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|     "    issuer_key=%%s           default: ca.key\n"        \
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|     "    issuer_pwd=%%s           default: (empty)\n"       \
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|     "    output_file=%%s          default: cert.crt\n"      \
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|     "    serial=%%s               default: 1\n"             \
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|     "    not_before=%%s           default: 20010101000000\n"\
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|     "    not_after=%%s            default: 20301231235959\n"\
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|     "    is_ca=%%d                default: 0 (disabled)\n"  \
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|     "    max_pathlen=%%d          default: -1 (none)\n"     \
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|     "    md=%%s                   default: SHA256\n"        \
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|     "                            Supported values (if enabled):\n"      \
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|     "                            MD5, RIPEMD160, SHA1,\n" \
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|     "                            SHA224, SHA256, SHA384, SHA512\n" \
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|     "    version=%%d              default: 3\n"            \
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|     "                            Possible values: 1, 2, 3\n"\
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|     "    subject_identifier=%%s   default: 1\n"             \
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|     "                            Possible values: 0, 1\n"   \
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|     "                            (Considered for v3 only)\n"\
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|     "    authority_identifier=%%s default: 1\n"             \
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|     "                            Possible values: 0, 1\n"   \
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|     "                            (Considered for v3 only)\n"\
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|     "    basic_constraints=%%d    default: 1\n"             \
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|     "                            Possible values: 0, 1\n"   \
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|     "                            (Considered for v3 only)\n"\
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|     "    key_usage=%%s            default: (empty)\n"       \
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|     "                            Comma-separated-list of values:\n"     \
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|     "                            digital_signature\n"     \
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|     "                            non_repudiation\n"       \
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|     "                            key_encipherment\n"      \
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|     "                            data_encipherment\n"     \
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|     "                            key_agreement\n"         \
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|     "                            key_cert_sign\n"  \
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|     "                            crl_sign\n"              \
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|     "                            (Considered for v3 only)\n"\
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|     "    ns_cert_type=%%s         default: (empty)\n"       \
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|     "                            Comma-separated-list of values:\n"     \
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|     "                            ssl_client\n"            \
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|     "                            ssl_server\n"            \
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|     "                            email\n"                 \
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|     "                            object_signing\n"        \
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|     "                            ssl_ca\n"                \
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|     "                            email_ca\n"              \
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|     "                            object_signing_ca\n"     \
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|     "\n"
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| 
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| 
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| /*
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|  * global options
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|  */
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| struct options
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| {
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|     const char *issuer_crt;     /* filename of the issuer certificate   */
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|     const char *request_file;   /* filename of the certificate request  */
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|     const char *subject_key;    /* filename of the subject key file     */
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|     const char *issuer_key;     /* filename of the issuer key file      */
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|     const char *subject_pwd;    /* password for the subject key file    */
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|     const char *issuer_pwd;     /* password for the issuer key file     */
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|     const char *output_file;    /* where to store the constructed CRT   */
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|     const char *subject_name;   /* subject name for certificate         */
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|     const char *issuer_name;    /* issuer name for certificate          */
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|     const char *not_before;     /* validity period not before           */
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|     const char *not_after;      /* validity period not after            */
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|     const char *serial;         /* serial number string                 */
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|     int selfsign;               /* selfsign the certificate             */
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|     int is_ca;                  /* is a CA certificate                  */
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|     int max_pathlen;            /* maximum CA path length               */
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|     int authority_identifier;   /* add authority identifier to CRT      */
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|     int subject_identifier;     /* add subject identifier to CRT        */
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|     int basic_constraints;      /* add basic constraints ext to CRT     */
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|     int version;                /* CRT version                          */
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|     mbedtls_md_type_t md;       /* Hash used for signing                */
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|     unsigned char key_usage;    /* key usage flags                      */
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|     unsigned char ns_cert_type; /* NS cert type                         */
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| } opt;
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| 
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| int write_certificate( mbedtls_x509write_cert *crt, const char *output_file,
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|                        int (*f_rng)(void *, unsigned char *, size_t),
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|                        void *p_rng )
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| {
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|     int ret;
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|     FILE *f;
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|     unsigned char output_buf[4096];
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|     size_t len = 0;
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| 
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|     memset( output_buf, 0, 4096 );
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|     if( ( ret = mbedtls_x509write_crt_pem( crt, output_buf, 4096,
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|                                            f_rng, p_rng ) ) < 0 )
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|         return( ret );
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| 
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|     len = strlen( (char *) output_buf );
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| 
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|     if( ( f = fopen( output_file, "w" ) ) == NULL )
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|         return( -1 );
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| 
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|     if( fwrite( output_buf, 1, len, f ) != len )
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|     {
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|         fclose( f );
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|         return( -1 );
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|     }
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| 
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|     fclose( f );
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| 
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|     return( 0 );
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| }
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| 
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| int main( int argc, char *argv[] )
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| {
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|     int ret = 1;
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|     int exit_code = MBEDTLS_EXIT_FAILURE;
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|     mbedtls_x509_crt issuer_crt;
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|     mbedtls_pk_context loaded_issuer_key, loaded_subject_key;
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|     mbedtls_pk_context *issuer_key = &loaded_issuer_key,
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|                 *subject_key = &loaded_subject_key;
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|     char buf[1024];
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|     char issuer_name[256];
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|     int i;
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|     char *p, *q, *r;
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| #if defined(MBEDTLS_X509_CSR_PARSE_C)
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|     char subject_name[256];
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|     mbedtls_x509_csr csr;
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| #endif
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|     mbedtls_x509write_cert crt;
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|     mbedtls_mpi serial;
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|     mbedtls_entropy_context entropy;
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|     mbedtls_ctr_drbg_context ctr_drbg;
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|     const char *pers = "crt example app";
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| 
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|     /*
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|      * Set to sane values
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|      */
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|     mbedtls_x509write_crt_init( &crt );
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|     mbedtls_pk_init( &loaded_issuer_key );
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|     mbedtls_pk_init( &loaded_subject_key );
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|     mbedtls_mpi_init( &serial );
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|     mbedtls_ctr_drbg_init( &ctr_drbg );
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|     mbedtls_entropy_init( &entropy );
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| #if defined(MBEDTLS_X509_CSR_PARSE_C)
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|     mbedtls_x509_csr_init( &csr );
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| #endif
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|     mbedtls_x509_crt_init( &issuer_crt );
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|     memset( buf, 0, 1024 );
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| 
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|     if( argc == 0 )
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|     {
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|     usage:
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|         mbedtls_printf( USAGE );
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|         goto exit;
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|     }
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| 
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|     opt.issuer_crt          = DFL_ISSUER_CRT;
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|     opt.request_file        = DFL_REQUEST_FILE;
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|     opt.subject_key         = DFL_SUBJECT_KEY;
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|     opt.issuer_key          = DFL_ISSUER_KEY;
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|     opt.subject_pwd         = DFL_SUBJECT_PWD;
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|     opt.issuer_pwd          = DFL_ISSUER_PWD;
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|     opt.output_file         = DFL_OUTPUT_FILENAME;
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|     opt.subject_name        = DFL_SUBJECT_NAME;
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|     opt.issuer_name         = DFL_ISSUER_NAME;
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|     opt.not_before          = DFL_NOT_BEFORE;
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|     opt.not_after           = DFL_NOT_AFTER;
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|     opt.serial              = DFL_SERIAL;
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|     opt.selfsign            = DFL_SELFSIGN;
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|     opt.is_ca               = DFL_IS_CA;
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|     opt.max_pathlen         = DFL_MAX_PATHLEN;
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|     opt.key_usage           = DFL_KEY_USAGE;
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|     opt.ns_cert_type        = DFL_NS_CERT_TYPE;
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|     opt.version             = DFL_VERSION - 1;
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|     opt.md                  = DFL_DIGEST;
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|     opt.subject_identifier   = DFL_SUBJ_IDENT;
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|     opt.authority_identifier = DFL_AUTH_IDENT;
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|     opt.basic_constraints    = DFL_CONSTRAINTS;
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| 
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|     for( i = 1; i < argc; i++ )
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|     {
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| 
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|         p = argv[i];
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|         if( ( q = strchr( p, '=' ) ) == NULL )
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|             goto usage;
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|         *q++ = '\0';
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| 
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|         if( strcmp( p, "request_file" ) == 0 )
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|             opt.request_file = q;
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|         else if( strcmp( p, "subject_key" ) == 0 )
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|             opt.subject_key = q;
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|         else if( strcmp( p, "issuer_key" ) == 0 )
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|             opt.issuer_key = q;
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|         else if( strcmp( p, "subject_pwd" ) == 0 )
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|             opt.subject_pwd = q;
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|         else if( strcmp( p, "issuer_pwd" ) == 0 )
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|             opt.issuer_pwd = q;
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|         else if( strcmp( p, "issuer_crt" ) == 0 )
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|             opt.issuer_crt = q;
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|         else if( strcmp( p, "output_file" ) == 0 )
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|             opt.output_file = q;
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|         else if( strcmp( p, "subject_name" ) == 0 )
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|         {
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|             opt.subject_name = q;
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|         }
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|         else if( strcmp( p, "issuer_name" ) == 0 )
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|         {
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|             opt.issuer_name = q;
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|         }
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|         else if( strcmp( p, "not_before" ) == 0 )
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|         {
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|             opt.not_before = q;
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|         }
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|         else if( strcmp( p, "not_after" ) == 0 )
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|         {
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|             opt.not_after = q;
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|         }
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|         else if( strcmp( p, "serial" ) == 0 )
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|         {
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|             opt.serial = q;
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|         }
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|         else if( strcmp( p, "authority_identifier" ) == 0 )
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|         {
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|             opt.authority_identifier = atoi( q );
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|             if( opt.authority_identifier != 0 &&
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|                 opt.authority_identifier != 1 )
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|             {
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|                 mbedtls_printf( "Invalid argument for option %s\n", p );
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|                 goto usage;
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|             }
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|         }
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|         else if( strcmp( p, "subject_identifier" ) == 0 )
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|         {
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|             opt.subject_identifier = atoi( q );
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|             if( opt.subject_identifier != 0 &&
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|                 opt.subject_identifier != 1 )
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|             {
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|                 mbedtls_printf( "Invalid argument for option %s\n", p );
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|                 goto usage;
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|             }
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|         }
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|         else if( strcmp( p, "basic_constraints" ) == 0 )
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|         {
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|             opt.basic_constraints = atoi( q );
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|             if( opt.basic_constraints != 0 &&
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|                 opt.basic_constraints != 1 )
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|             {
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|                 mbedtls_printf( "Invalid argument for option %s\n", p );
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|                 goto usage;
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|             }
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|         }
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|         else if( strcmp( p, "md" ) == 0 )
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|         {
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|             const mbedtls_md_info_t *md_info =
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|                 mbedtls_md_info_from_string( q );
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|             if( md_info == NULL )
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|             {
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|                 mbedtls_printf( "Invalid argument for option %s\n", p );
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|                 goto usage;
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|             }
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|             opt.md = mbedtls_md_get_type( md_info );
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|         }
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|         else if( strcmp( p, "version" ) == 0 )
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|         {
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|             opt.version = atoi( q );
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|             if( opt.version < 1 || opt.version > 3 )
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|             {
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|                 mbedtls_printf( "Invalid argument for option %s\n", p );
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|                 goto usage;
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|             }
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|             opt.version--;
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|         }
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|         else if( strcmp( p, "selfsign" ) == 0 )
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|         {
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|             opt.selfsign = atoi( q );
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|             if( opt.selfsign < 0 || opt.selfsign > 1 )
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|             {
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|                 mbedtls_printf( "Invalid argument for option %s\n", p );
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|                 goto usage;
 | |
|             }
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|         }
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|         else if( strcmp( p, "is_ca" ) == 0 )
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|         {
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|             opt.is_ca = atoi( q );
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|             if( opt.is_ca < 0 || opt.is_ca > 1 )
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|             {
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|                 mbedtls_printf( "Invalid argument for option %s\n", p );
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|                 goto usage;
 | |
|             }
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|         }
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|         else if( strcmp( p, "max_pathlen" ) == 0 )
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|         {
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|             opt.max_pathlen = atoi( q );
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|             if( opt.max_pathlen < -1 || opt.max_pathlen > 127 )
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|             {
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|                 mbedtls_printf( "Invalid argument for option %s\n", p );
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|                 goto usage;
 | |
|             }
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|         }
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|         else if( strcmp( p, "key_usage" ) == 0 )
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|         {
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|             while( q != NULL )
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|             {
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|                 if( ( r = strchr( q, ',' ) ) != NULL )
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|                     *r++ = '\0';
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| 
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|                 if( strcmp( q, "digital_signature" ) == 0 )
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|                     opt.key_usage |= MBEDTLS_X509_KU_DIGITAL_SIGNATURE;
 | |
|                 else if( strcmp( q, "non_repudiation" ) == 0 )
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|                     opt.key_usage |= MBEDTLS_X509_KU_NON_REPUDIATION;
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|                 else if( strcmp( q, "key_encipherment" ) == 0 )
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|                     opt.key_usage |= MBEDTLS_X509_KU_KEY_ENCIPHERMENT;
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|                 else if( strcmp( q, "data_encipherment" ) == 0 )
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|                     opt.key_usage |= MBEDTLS_X509_KU_DATA_ENCIPHERMENT;
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|                 else if( strcmp( q, "key_agreement" ) == 0 )
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|                     opt.key_usage |= MBEDTLS_X509_KU_KEY_AGREEMENT;
 | |
|                 else if( strcmp( q, "key_cert_sign" ) == 0 )
 | |
|                     opt.key_usage |= MBEDTLS_X509_KU_KEY_CERT_SIGN;
 | |
|                 else if( strcmp( q, "crl_sign" ) == 0 )
 | |
|                     opt.key_usage |= MBEDTLS_X509_KU_CRL_SIGN;
 | |
|                 else
 | |
|                 {
 | |
|                     mbedtls_printf( "Invalid argument for option %s\n", p );
 | |
|                     goto usage;
 | |
|                 }
 | |
| 
 | |
|                 q = r;
 | |
|             }
 | |
|         }
 | |
|         else if( strcmp( p, "ns_cert_type" ) == 0 )
 | |
|         {
 | |
|             while( q != NULL )
 | |
|             {
 | |
|                 if( ( r = strchr( q, ',' ) ) != NULL )
 | |
|                     *r++ = '\0';
 | |
| 
 | |
|                 if( strcmp( q, "ssl_client" ) == 0 )
 | |
|                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CLIENT;
 | |
|                 else if( strcmp( q, "ssl_server" ) == 0 )
 | |
|                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER;
 | |
|                 else if( strcmp( q, "email" ) == 0 )
 | |
|                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL;
 | |
|                 else if( strcmp( q, "object_signing" ) == 0 )
 | |
|                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING;
 | |
|                 else if( strcmp( q, "ssl_ca" ) == 0 )
 | |
|                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CA;
 | |
|                 else if( strcmp( q, "email_ca" ) == 0 )
 | |
|                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL_CA;
 | |
|                 else if( strcmp( q, "object_signing_ca" ) == 0 )
 | |
|                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING_CA;
 | |
|                 else
 | |
|                 {
 | |
|                     mbedtls_printf( "Invalid argument for option %s\n", p );
 | |
|                     goto usage;
 | |
|                 }
 | |
| 
 | |
|                 q = r;
 | |
|             }
 | |
|         }
 | |
|         else
 | |
|             goto usage;
 | |
|     }
 | |
| 
 | |
|     mbedtls_printf("\n");
 | |
| 
 | |
|     /*
 | |
|      * 0. Seed the PRNG
 | |
|      */
 | |
|     mbedtls_printf( "  . Seeding the random number generator..." );
 | |
|     fflush( stdout );
 | |
| 
 | |
|     if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
 | |
|                                (const unsigned char *) pers,
 | |
|                                strlen( pers ) ) ) != 0 )
 | |
|     {
 | |
|         mbedtls_strerror( ret, buf, 1024 );
 | |
|         mbedtls_printf( " failed\n  !  mbedtls_ctr_drbg_seed returned %d - %s\n",
 | |
|                         ret, buf );
 | |
|         goto exit;
 | |
|     }
 | |
| 
 | |
|     mbedtls_printf( " ok\n" );
 | |
| 
 | |
|     // Parse serial to MPI
 | |
|     //
 | |
|     mbedtls_printf( "  . Reading serial number..." );
 | |
|     fflush( stdout );
 | |
| 
 | |
|     if( ( ret = mbedtls_mpi_read_string( &serial, 10, opt.serial ) ) != 0 )
 | |
|     {
 | |
|         mbedtls_strerror( ret, buf, 1024 );
 | |
|         mbedtls_printf( " failed\n  !  mbedtls_mpi_read_string "
 | |
|                         "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|         goto exit;
 | |
|     }
 | |
| 
 | |
|     mbedtls_printf( " ok\n" );
 | |
| 
 | |
|     // Parse issuer certificate if present
 | |
|     //
 | |
|     if( !opt.selfsign && strlen( opt.issuer_crt ) )
 | |
|     {
 | |
|         /*
 | |
|          * 1.0.a. Load the certificates
 | |
|          */
 | |
|         mbedtls_printf( "  . Loading the issuer certificate ..." );
 | |
|         fflush( stdout );
 | |
| 
 | |
|         if( ( ret = mbedtls_x509_crt_parse_file( &issuer_crt, opt.issuer_crt ) ) != 0 )
 | |
|         {
 | |
|             mbedtls_strerror( ret, buf, 1024 );
 | |
|             mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse_file "
 | |
|                             "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|             goto exit;
 | |
|         }
 | |
| 
 | |
|         ret = mbedtls_x509_dn_gets( issuer_name, sizeof(issuer_name),
 | |
|                                  &issuer_crt.subject );
 | |
|         if( ret < 0 )
 | |
|         {
 | |
|             mbedtls_strerror( ret, buf, 1024 );
 | |
|             mbedtls_printf( " failed\n  !  mbedtls_x509_dn_gets "
 | |
|                             "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|             goto exit;
 | |
|         }
 | |
| 
 | |
|         opt.issuer_name = issuer_name;
 | |
| 
 | |
|         mbedtls_printf( " ok\n" );
 | |
|     }
 | |
| 
 | |
| #if defined(MBEDTLS_X509_CSR_PARSE_C)
 | |
|     // Parse certificate request if present
 | |
|     //
 | |
|     if( !opt.selfsign && strlen( opt.request_file ) )
 | |
|     {
 | |
|         /*
 | |
|          * 1.0.b. Load the CSR
 | |
|          */
 | |
|         mbedtls_printf( "  . Loading the certificate request ..." );
 | |
|         fflush( stdout );
 | |
| 
 | |
|         if( ( ret = mbedtls_x509_csr_parse_file( &csr, opt.request_file ) ) != 0 )
 | |
|         {
 | |
|             mbedtls_strerror( ret, buf, 1024 );
 | |
|             mbedtls_printf( " failed\n  !  mbedtls_x509_csr_parse_file "
 | |
|                             "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|             goto exit;
 | |
|         }
 | |
| 
 | |
|         ret = mbedtls_x509_dn_gets( subject_name, sizeof(subject_name),
 | |
|                                  &csr.subject );
 | |
|         if( ret < 0 )
 | |
|         {
 | |
|             mbedtls_strerror( ret, buf, 1024 );
 | |
|             mbedtls_printf( " failed\n  !  mbedtls_x509_dn_gets "
 | |
|                             "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|             goto exit;
 | |
|         }
 | |
| 
 | |
|         opt.subject_name = subject_name;
 | |
|         subject_key = &csr.pk;
 | |
| 
 | |
|         mbedtls_printf( " ok\n" );
 | |
|     }
 | |
| #endif /* MBEDTLS_X509_CSR_PARSE_C */
 | |
| 
 | |
|     /*
 | |
|      * 1.1. Load the keys
 | |
|      */
 | |
|     if( !opt.selfsign && !strlen( opt.request_file ) )
 | |
|     {
 | |
|         mbedtls_printf( "  . Loading the subject key ..." );
 | |
|         fflush( stdout );
 | |
| 
 | |
|         ret = mbedtls_pk_parse_keyfile( &loaded_subject_key, opt.subject_key,
 | |
|                 opt.subject_pwd, mbedtls_ctr_drbg_random, &ctr_drbg );
 | |
|         if( ret != 0 )
 | |
|         {
 | |
|             mbedtls_strerror( ret, buf, 1024 );
 | |
|             mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile "
 | |
|                             "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|             goto exit;
 | |
|         }
 | |
| 
 | |
|         mbedtls_printf( " ok\n" );
 | |
|     }
 | |
| 
 | |
|     mbedtls_printf( "  . Loading the issuer key ..." );
 | |
|     fflush( stdout );
 | |
| 
 | |
|     ret = mbedtls_pk_parse_keyfile( &loaded_issuer_key, opt.issuer_key,
 | |
|             opt.issuer_pwd, mbedtls_ctr_drbg_random, &ctr_drbg );
 | |
|     if( ret != 0 )
 | |
|     {
 | |
|         mbedtls_strerror( ret, buf, 1024 );
 | |
|         mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile "
 | |
|                         "returned -x%02x - %s\n\n", (unsigned int) -ret, buf );
 | |
|         goto exit;
 | |
|     }
 | |
| 
 | |
|     // Check if key and issuer certificate match
 | |
|     //
 | |
|     if( strlen( opt.issuer_crt ) )
 | |
|     {
 | |
|         if( mbedtls_pk_check_pair( &issuer_crt.pk, issuer_key,
 | |
|                                    mbedtls_ctr_drbg_random, &ctr_drbg ) != 0 )
 | |
|         {
 | |
|             mbedtls_printf( " failed\n  !  issuer_key does not match "
 | |
|                             "issuer certificate\n\n" );
 | |
|             goto exit;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     mbedtls_printf( " ok\n" );
 | |
| 
 | |
|     if( opt.selfsign )
 | |
|     {
 | |
|         opt.subject_name = opt.issuer_name;
 | |
|         subject_key = issuer_key;
 | |
|     }
 | |
| 
 | |
|     mbedtls_x509write_crt_set_subject_key( &crt, subject_key );
 | |
|     mbedtls_x509write_crt_set_issuer_key( &crt, issuer_key );
 | |
| 
 | |
|     /*
 | |
|      * 1.0. Check the names for validity
 | |
|      */
 | |
|     if( ( ret = mbedtls_x509write_crt_set_subject_name( &crt, opt.subject_name ) ) != 0 )
 | |
|     {
 | |
|         mbedtls_strerror( ret, buf, 1024 );
 | |
|         mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_subject_name "
 | |
|                         "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|         goto exit;
 | |
|     }
 | |
| 
 | |
|     if( ( ret = mbedtls_x509write_crt_set_issuer_name( &crt, opt.issuer_name ) ) != 0 )
 | |
|     {
 | |
|         mbedtls_strerror( ret, buf, 1024 );
 | |
|         mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_issuer_name "
 | |
|                         "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|         goto exit;
 | |
|     }
 | |
| 
 | |
|     mbedtls_printf( "  . Setting certificate values ..." );
 | |
|     fflush( stdout );
 | |
| 
 | |
|     mbedtls_x509write_crt_set_version( &crt, opt.version );
 | |
|     mbedtls_x509write_crt_set_md_alg( &crt, opt.md );
 | |
| 
 | |
|     ret = mbedtls_x509write_crt_set_serial( &crt, &serial );
 | |
|     if( ret != 0 )
 | |
|     {
 | |
|         mbedtls_strerror( ret, buf, 1024 );
 | |
|         mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_serial "
 | |
|                         "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|         goto exit;
 | |
|     }
 | |
| 
 | |
|     ret = mbedtls_x509write_crt_set_validity( &crt, opt.not_before, opt.not_after );
 | |
|     if( ret != 0 )
 | |
|     {
 | |
|         mbedtls_strerror( ret, buf, 1024 );
 | |
|         mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_validity "
 | |
|                         "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|         goto exit;
 | |
|     }
 | |
| 
 | |
|     mbedtls_printf( " ok\n" );
 | |
| 
 | |
|     if( opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
 | |
|         opt.basic_constraints != 0 )
 | |
|     {
 | |
|         mbedtls_printf( "  . Adding the Basic Constraints extension ..." );
 | |
|         fflush( stdout );
 | |
| 
 | |
|         ret = mbedtls_x509write_crt_set_basic_constraints( &crt, opt.is_ca,
 | |
|                                                            opt.max_pathlen );
 | |
|         if( ret != 0 )
 | |
|         {
 | |
|             mbedtls_strerror( ret, buf, 1024 );
 | |
|             mbedtls_printf( " failed\n  !  x509write_crt_set_basic_contraints "
 | |
|                             "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|             goto exit;
 | |
|         }
 | |
| 
 | |
|         mbedtls_printf( " ok\n" );
 | |
|     }
 | |
| 
 | |
| #if defined(MBEDTLS_SHA1_C)
 | |
|     if( opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
 | |
|         opt.subject_identifier != 0 )
 | |
|     {
 | |
|         mbedtls_printf( "  . Adding the Subject Key Identifier ..." );
 | |
|         fflush( stdout );
 | |
| 
 | |
|         ret = mbedtls_x509write_crt_set_subject_key_identifier( &crt );
 | |
|         if( ret != 0 )
 | |
|         {
 | |
|             mbedtls_strerror( ret, buf, 1024 );
 | |
|             mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_subject"
 | |
|                             "_key_identifier returned -0x%04x - %s\n\n",
 | |
|                             (unsigned int) -ret, buf );
 | |
|             goto exit;
 | |
|         }
 | |
| 
 | |
|         mbedtls_printf( " ok\n" );
 | |
|     }
 | |
| 
 | |
|     if( opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
 | |
|         opt.authority_identifier != 0 )
 | |
|     {
 | |
|         mbedtls_printf( "  . Adding the Authority Key Identifier ..." );
 | |
|         fflush( stdout );
 | |
| 
 | |
|         ret = mbedtls_x509write_crt_set_authority_key_identifier( &crt );
 | |
|         if( ret != 0 )
 | |
|         {
 | |
|             mbedtls_strerror( ret, buf, 1024 );
 | |
|             mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_authority_"
 | |
|                             "key_identifier returned -0x%04x - %s\n\n",
 | |
|                             (unsigned int) -ret, buf );
 | |
|             goto exit;
 | |
|         }
 | |
| 
 | |
|         mbedtls_printf( " ok\n" );
 | |
|     }
 | |
| #endif /* MBEDTLS_SHA1_C */
 | |
| 
 | |
|     if( opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
 | |
|         opt.key_usage != 0 )
 | |
|     {
 | |
|         mbedtls_printf( "  . Adding the Key Usage extension ..." );
 | |
|         fflush( stdout );
 | |
| 
 | |
|         ret = mbedtls_x509write_crt_set_key_usage( &crt, opt.key_usage );
 | |
|         if( ret != 0 )
 | |
|         {
 | |
|             mbedtls_strerror( ret, buf, 1024 );
 | |
|             mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_key_usage "
 | |
|                             "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|             goto exit;
 | |
|         }
 | |
| 
 | |
|         mbedtls_printf( " ok\n" );
 | |
|     }
 | |
| 
 | |
|     if( opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
 | |
|         opt.ns_cert_type != 0 )
 | |
|     {
 | |
|         mbedtls_printf( "  . Adding the NS Cert Type extension ..." );
 | |
|         fflush( stdout );
 | |
| 
 | |
|         ret = mbedtls_x509write_crt_set_ns_cert_type( &crt, opt.ns_cert_type );
 | |
|         if( ret != 0 )
 | |
|         {
 | |
|             mbedtls_strerror( ret, buf, 1024 );
 | |
|             mbedtls_printf( " failed\n  !  mbedtls_x509write_crt_set_ns_cert_type "
 | |
|                             "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf );
 | |
|             goto exit;
 | |
|         }
 | |
| 
 | |
|         mbedtls_printf( " ok\n" );
 | |
|     }
 | |
| 
 | |
|     /*
 | |
|      * 1.2. Writing the certificate
 | |
|      */
 | |
|     mbedtls_printf( "  . Writing the certificate..." );
 | |
|     fflush( stdout );
 | |
| 
 | |
|     if( ( ret = write_certificate( &crt, opt.output_file,
 | |
|                                    mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
 | |
|     {
 | |
|         mbedtls_strerror( ret, buf, 1024 );
 | |
|         mbedtls_printf( " failed\n  !  write_certificate -0x%04x - %s\n\n",
 | |
|                         (unsigned int) -ret, buf );
 | |
|         goto exit;
 | |
|     }
 | |
| 
 | |
|     mbedtls_printf( " ok\n" );
 | |
| 
 | |
|     exit_code = MBEDTLS_EXIT_SUCCESS;
 | |
| 
 | |
| exit:
 | |
| #if defined(MBEDTLS_X509_CSR_PARSE_C)
 | |
|     mbedtls_x509_csr_free( &csr );
 | |
| #endif /* MBEDTLS_X509_CSR_PARSE_C */
 | |
|     mbedtls_x509_crt_free( &issuer_crt );
 | |
|     mbedtls_x509write_crt_free( &crt );
 | |
|     mbedtls_pk_free( &loaded_subject_key );
 | |
|     mbedtls_pk_free( &loaded_issuer_key );
 | |
|     mbedtls_mpi_free( &serial );
 | |
|     mbedtls_ctr_drbg_free( &ctr_drbg );
 | |
|     mbedtls_entropy_free( &entropy );
 | |
| 
 | |
| #if defined(_WIN32)
 | |
|     mbedtls_printf( "  + Press Enter to exit this program.\n" );
 | |
|     fflush( stdout ); getchar();
 | |
| #endif
 | |
| 
 | |
|     mbedtls_exit( exit_code );
 | |
| }
 | |
| #endif /* MBEDTLS_X509_CRT_WRITE_C && MBEDTLS_X509_CRT_PARSE_C &&
 | |
|           MBEDTLS_FS_IO && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
 | |
|           MBEDTLS_ERROR_C && MBEDTLS_PEM_WRITE_C */
 |