| /* | |
| * Certificate generation and signing | |
| * | |
| * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved | |
| * SPDX-License-Identifier: Apache-2.0 | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may | |
| * not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| * | |
| * This file is part of mbed TLS (https://tls.mbed.org) | |
| */ | |
| #if !defined(MBEDTLS_CONFIG_FILE) | |
| #include "mbedtls/config.h" | |
| #else | |
| #include MBEDTLS_CONFIG_FILE | |
| #endif | |
| #if defined(MBEDTLS_PLATFORM_C) | |
| #include "mbedtls/platform.h" | |
| #else | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #define mbedtls_printf printf | |
| #define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS | |
| #define MBEDTLS_EXIT_FAILURE EXIT_FAILURE | |
| #endif /* MBEDTLS_PLATFORM_C */ | |
| #if !defined(MBEDTLS_X509_CRT_WRITE_C) || \ | |
| !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) || \ | |
| !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \ | |
| !defined(MBEDTLS_ERROR_C) || !defined(MBEDTLS_SHA256_C) || \ | |
| !defined(MBEDTLS_PEM_WRITE_C) | |
| int main( void ) | |
| { | |
| mbedtls_printf( "MBEDTLS_X509_CRT_WRITE_C and/or MBEDTLS_X509_CRT_PARSE_C and/or " | |
| "MBEDTLS_FS_IO and/or MBEDTLS_SHA256_C and/or " | |
| "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or " | |
| "MBEDTLS_ERROR_C not defined.\n"); | |
| return( 0 ); | |
| } | |
| #else | |
| #include "mbedtls/x509_crt.h" | |
| #include "mbedtls/x509_csr.h" | |
| #include "mbedtls/entropy.h" | |
| #include "mbedtls/ctr_drbg.h" | |
| #include "mbedtls/md.h" | |
| #include "mbedtls/error.h" | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <string.h> | |
| #if defined(MBEDTLS_X509_CSR_PARSE_C) | |
| #define USAGE_CSR \ | |
| " request_file=%%s default: (empty)\n" \ | |
| " If request_file is specified, subject_key,\n" \ | |
| " subject_pwd and subject_name are ignored!\n" | |
| #else | |
| #define USAGE_CSR "" | |
| #endif /* MBEDTLS_X509_CSR_PARSE_C */ | |
| #define DFL_ISSUER_CRT "" | |
| #define DFL_REQUEST_FILE "" | |
| #define DFL_SUBJECT_KEY "subject.key" | |
| #define DFL_ISSUER_KEY "ca.key" | |
| #define DFL_SUBJECT_PWD "" | |
| #define DFL_ISSUER_PWD "" | |
| #define DFL_OUTPUT_FILENAME "cert.crt" | |
| #define DFL_SUBJECT_NAME "CN=Cert,O=mbed TLS,C=UK" | |
| #define DFL_ISSUER_NAME "CN=CA,O=mbed TLS,C=UK" | |
| #define DFL_NOT_BEFORE "20010101000000" | |
| #define DFL_NOT_AFTER "20301231235959" | |
| #define DFL_SERIAL "1" | |
| #define DFL_SELFSIGN 0 | |
| #define DFL_IS_CA 0 | |
| #define DFL_MAX_PATHLEN -1 | |
| #define DFL_KEY_USAGE 0 | |
| #define DFL_NS_CERT_TYPE 0 | |
| #define DFL_VERSION 3 | |
| #define DFL_AUTH_IDENT 1 | |
| #define DFL_SUBJ_IDENT 1 | |
| #define DFL_CONSTRAINTS 1 | |
| #define DFL_DIGEST MBEDTLS_MD_SHA256 | |
| #define USAGE \ | |
| "\n usage: cert_write param=<>...\n" \ | |
| "\n acceptable parameters:\n" \ | |
| USAGE_CSR \ | |
| " subject_key=%%s default: subject.key\n" \ | |
| " subject_pwd=%%s default: (empty)\n" \ | |
| " subject_name=%%s default: CN=Cert,O=mbed TLS,C=UK\n" \ | |
| "\n" \ | |
| " issuer_crt=%%s default: (empty)\n" \ | |
| " If issuer_crt is specified, issuer_name is\n" \ | |
| " ignored!\n" \ | |
| " issuer_name=%%s default: CN=CA,O=mbed TLS,C=UK\n" \ | |
| "\n" \ | |
| " selfsign=%%d default: 0 (false)\n" \ | |
| " If selfsign is enabled, issuer_name and\n" \ | |
| " issuer_key are required (issuer_crt and\n" \ | |
| " subject_* are ignored\n" \ | |
| " issuer_key=%%s default: ca.key\n" \ | |
| " issuer_pwd=%%s default: (empty)\n" \ | |
| " output_file=%%s default: cert.crt\n" \ | |
| " serial=%%s default: 1\n" \ | |
| " not_before=%%s default: 20010101000000\n"\ | |
| " not_after=%%s default: 20301231235959\n"\ | |
| " is_ca=%%d default: 0 (disabled)\n" \ | |
| " max_pathlen=%%d default: -1 (none)\n" \ | |
| " md=%%s default: SHA256\n" \ | |
| " Supported values:\n" \ | |
| " MD5, SHA1, SHA256, SHA512\n"\ | |
| " version=%%d default: 3\n" \ | |
| " Possible values: 1, 2, 3\n"\ | |
| " subject_identifier=%%s default: 1\n" \ | |
| " Possible values: 0, 1\n" \ | |
| " (Considered for v3 only)\n"\ | |
| " authority_identifier=%%s default: 1\n" \ | |
| " Possible values: 0, 1\n" \ | |
| " (Considered for v3 only)\n"\ | |
| " basic_constraints=%%d default: 1\n" \ | |
| " Possible values: 0, 1\n" \ | |
| " (Considered for v3 only)\n"\ | |
| " key_usage=%%s default: (empty)\n" \ | |
| " Comma-separated-list of values:\n" \ | |
| " digital_signature\n" \ | |
| " non_repudiation\n" \ | |
| " key_encipherment\n" \ | |
| " data_encipherment\n" \ | |
| " key_agreement\n" \ | |
| " key_cert_sign\n" \ | |
| " crl_sign\n" \ | |
| " (Considered for v3 only)\n"\ | |
| " ns_cert_type=%%s default: (empty)\n" \ | |
| " Comma-separated-list of values:\n" \ | |
| " ssl_client\n" \ | |
| " ssl_server\n" \ | |
| " email\n" \ | |
| " object_signing\n" \ | |
| " ssl_ca\n" \ | |
| " email_ca\n" \ | |
| " object_signing_ca\n" \ | |
| "\n" | |
| /* | |
| * global options | |
| */ | |
| struct options | |
| { | |
| const char *issuer_crt; /* filename of the issuer certificate */ | |
| const char *request_file; /* filename of the certificate request */ | |
| const char *subject_key; /* filename of the subject key file */ | |
| const char *issuer_key; /* filename of the issuer key file */ | |
| const char *subject_pwd; /* password for the subject key file */ | |
| const char *issuer_pwd; /* password for the issuer key file */ | |
| const char *output_file; /* where to store the constructed CRT */ | |
| const char *subject_name; /* subject name for certificate */ | |
| const char *issuer_name; /* issuer name for certificate */ | |
| const char *not_before; /* validity period not before */ | |
| const char *not_after; /* validity period not after */ | |
| const char *serial; /* serial number string */ | |
| int selfsign; /* selfsign the certificate */ | |
| int is_ca; /* is a CA certificate */ | |
| int max_pathlen; /* maximum CA path length */ | |
| int authority_identifier; /* add authority identifier to CRT */ | |
| int subject_identifier; /* add subject identifier to CRT */ | |
| int basic_constraints; /* add basic constraints ext to CRT */ | |
| int version; /* CRT version */ | |
| mbedtls_md_type_t md; /* Hash used for signing */ | |
| unsigned char key_usage; /* key usage flags */ | |
| unsigned char ns_cert_type; /* NS cert type */ | |
| } opt; | |
| int write_certificate( mbedtls_x509write_cert *crt, const char *output_file, | |
| int (*f_rng)(void *, unsigned char *, size_t), | |
| void *p_rng ) | |
| { | |
| int ret; | |
| FILE *f; | |
| unsigned char output_buf[4096]; | |
| size_t len = 0; | |
| memset( output_buf, 0, 4096 ); | |
| if( ( ret = mbedtls_x509write_crt_pem( crt, output_buf, 4096, | |
| f_rng, p_rng ) ) < 0 ) | |
| return( ret ); | |
| len = strlen( (char *) output_buf ); | |
| if( ( f = fopen( output_file, "w" ) ) == NULL ) | |
| return( -1 ); | |
| if( fwrite( output_buf, 1, len, f ) != len ) | |
| { | |
| fclose( f ); | |
| return( -1 ); | |
| } | |
| fclose( f ); | |
| return( 0 ); | |
| } | |
| int main( int argc, char *argv[] ) | |
| { | |
| int ret = 1; | |
| int exit_code = MBEDTLS_EXIT_FAILURE; | |
| mbedtls_x509_crt issuer_crt; | |
| mbedtls_pk_context loaded_issuer_key, loaded_subject_key; | |
| mbedtls_pk_context *issuer_key = &loaded_issuer_key, | |
| *subject_key = &loaded_subject_key; | |
| char buf[1024]; | |
| char issuer_name[256]; | |
| int i; | |
| char *p, *q, *r; | |
| #if defined(MBEDTLS_X509_CSR_PARSE_C) | |
| char subject_name[256]; | |
| mbedtls_x509_csr csr; | |
| #endif | |
| mbedtls_x509write_cert crt; | |
| mbedtls_mpi serial; | |
| mbedtls_entropy_context entropy; | |
| mbedtls_ctr_drbg_context ctr_drbg; | |
| const char *pers = "crt example app"; | |
| /* | |
| * Set to sane values | |
| */ | |
| mbedtls_x509write_crt_init( &crt ); | |
| mbedtls_pk_init( &loaded_issuer_key ); | |
| mbedtls_pk_init( &loaded_subject_key ); | |
| mbedtls_mpi_init( &serial ); | |
| mbedtls_ctr_drbg_init( &ctr_drbg ); | |
| mbedtls_entropy_init( &entropy ); | |
| #if defined(MBEDTLS_X509_CSR_PARSE_C) | |
| mbedtls_x509_csr_init( &csr ); | |
| #endif | |
| mbedtls_x509_crt_init( &issuer_crt ); | |
| memset( buf, 0, 1024 ); | |
| if( argc == 0 ) | |
| { | |
| usage: | |
| mbedtls_printf( USAGE ); | |
| goto exit; | |
| } | |
| opt.issuer_crt = DFL_ISSUER_CRT; | |
| opt.request_file = DFL_REQUEST_FILE; | |
| opt.subject_key = DFL_SUBJECT_KEY; | |
| opt.issuer_key = DFL_ISSUER_KEY; | |
| opt.subject_pwd = DFL_SUBJECT_PWD; | |
| opt.issuer_pwd = DFL_ISSUER_PWD; | |
| opt.output_file = DFL_OUTPUT_FILENAME; | |
| opt.subject_name = DFL_SUBJECT_NAME; | |
| opt.issuer_name = DFL_ISSUER_NAME; | |
| opt.not_before = DFL_NOT_BEFORE; | |
| opt.not_after = DFL_NOT_AFTER; | |
| opt.serial = DFL_SERIAL; | |
| opt.selfsign = DFL_SELFSIGN; | |
| opt.is_ca = DFL_IS_CA; | |
| opt.max_pathlen = DFL_MAX_PATHLEN; | |
| opt.key_usage = DFL_KEY_USAGE; | |
| opt.ns_cert_type = DFL_NS_CERT_TYPE; | |
| opt.version = DFL_VERSION - 1; | |
| opt.md = DFL_DIGEST; | |
| opt.subject_identifier = DFL_SUBJ_IDENT; | |
| opt.authority_identifier = DFL_AUTH_IDENT; | |
| opt.basic_constraints = DFL_CONSTRAINTS; | |
| for( i = 1; i < argc; i++ ) | |
| { | |
| p = argv[i]; | |
| if( ( q = strchr( p, '=' ) ) == NULL ) | |
| goto usage; | |
| *q++ = '\0'; | |
| if( strcmp( p, "request_file" ) == 0 ) | |
| opt.request_file = q; | |
| else if( strcmp( p, "subject_key" ) == 0 ) | |
| opt.subject_key = q; | |
| else if( strcmp( p, "issuer_key" ) == 0 ) | |
| opt.issuer_key = q; | |
| else if( strcmp( p, "subject_pwd" ) == 0 ) | |
| opt.subject_pwd = q; | |
| else if( strcmp( p, "issuer_pwd" ) == 0 ) | |
| opt.issuer_pwd = q; | |
| else if( strcmp( p, "issuer_crt" ) == 0 ) | |
| opt.issuer_crt = q; | |
| else if( strcmp( p, "output_file" ) == 0 ) | |
| opt.output_file = q; | |
| else if( strcmp( p, "subject_name" ) == 0 ) | |
| { | |
| opt.subject_name = q; | |
| } | |
| else if( strcmp( p, "issuer_name" ) == 0 ) | |
| { | |
| opt.issuer_name = q; | |
| } | |
| else if( strcmp( p, "not_before" ) == 0 ) | |
| { | |
| opt.not_before = q; | |
| } | |
| else if( strcmp( p, "not_after" ) == 0 ) | |
| { | |
| opt.not_after = q; | |
| } | |
| else if( strcmp( p, "serial" ) == 0 ) | |
| { | |
| opt.serial = q; | |
| } | |
| else if( strcmp( p, "authority_identifier" ) == 0 ) | |
| { | |
| opt.authority_identifier = atoi( q ); | |
| if( opt.authority_identifier != 0 && | |
| opt.authority_identifier != 1 ) | |
| { | |
| mbedtls_printf( "Invalid argument for option %s\n", p ); | |
| goto usage; | |
| } | |
| } | |
| else if( strcmp( p, "subject_identifier" ) == 0 ) | |
| { | |
| opt.subject_identifier = atoi( q ); | |
| if( opt.subject_identifier != 0 && | |
| opt.subject_identifier != 1 ) | |
| { | |
| mbedtls_printf( "Invalid argument for option %s\n", p ); | |
| goto usage; | |
| } | |
| } | |
| else if( strcmp( p, "basic_constraints" ) == 0 ) | |
| { | |
| opt.basic_constraints = atoi( q ); | |
| if( opt.basic_constraints != 0 && | |
| opt.basic_constraints != 1 ) | |
| { | |
| mbedtls_printf( "Invalid argument for option %s\n", p ); | |
| goto usage; | |
| } | |
| } | |
| else if( strcmp( p, "md" ) == 0 ) | |
| { | |
| if( strcmp( q, "SHA1" ) == 0 ) | |
| opt.md = MBEDTLS_MD_SHA1; | |
| else if( strcmp( q, "SHA256" ) == 0 ) | |
| opt.md = MBEDTLS_MD_SHA256; | |
| else if( strcmp( q, "SHA512" ) == 0 ) | |
| opt.md = MBEDTLS_MD_SHA512; | |
| else if( strcmp( q, "MD5" ) == 0 ) | |
| opt.md = MBEDTLS_MD_MD5; | |
| else | |
| { | |
| mbedtls_printf( "Invalid argument for option %s\n", p ); | |
| goto usage; | |
| } | |
| } | |
| else if( strcmp( p, "version" ) == 0 ) | |
| { | |
| opt.version = atoi( q ); | |
| if( opt.version < 1 || opt.version > 3 ) | |
| { | |
| mbedtls_printf( "Invalid argument for option %s\n", p ); | |
| goto usage; | |
| } | |
| opt.version--; | |
| } | |
| else if( strcmp( p, "selfsign" ) == 0 ) | |
| { | |
| opt.selfsign = atoi( q ); | |
| if( opt.selfsign < 0 || opt.selfsign > 1 ) | |
| { | |
| mbedtls_printf( "Invalid argument for option %s\n", p ); | |
| goto usage; | |
| } | |
| } | |
| else if( strcmp( p, "is_ca" ) == 0 ) | |
| { | |
| opt.is_ca = atoi( q ); | |
| if( opt.is_ca < 0 || opt.is_ca > 1 ) | |
| { | |
| mbedtls_printf( "Invalid argument for option %s\n", p ); | |
| goto usage; | |
| } | |
| } | |
| else if( strcmp( p, "max_pathlen" ) == 0 ) | |
| { | |
| opt.max_pathlen = atoi( q ); | |
| if( opt.max_pathlen < -1 || opt.max_pathlen > 127 ) | |
| { | |
| mbedtls_printf( "Invalid argument for option %s\n", p ); | |
| goto usage; | |
| } | |
| } | |
| else if( strcmp( p, "key_usage" ) == 0 ) | |
| { | |
| while( q != NULL ) | |
| { | |
| if( ( r = strchr( q, ',' ) ) != NULL ) | |
| *r++ = '\0'; | |
| if( strcmp( q, "digital_signature" ) == 0 ) | |
| opt.key_usage |= MBEDTLS_X509_KU_DIGITAL_SIGNATURE; | |
| else if( strcmp( q, "non_repudiation" ) == 0 ) | |
| opt.key_usage |= MBEDTLS_X509_KU_NON_REPUDIATION; | |
| else if( strcmp( q, "key_encipherment" ) == 0 ) | |
| opt.key_usage |= MBEDTLS_X509_KU_KEY_ENCIPHERMENT; | |
| else if( strcmp( q, "data_encipherment" ) == 0 ) | |
| opt.key_usage |= MBEDTLS_X509_KU_DATA_ENCIPHERMENT; | |
| else if( strcmp( q, "key_agreement" ) == 0 ) | |
| 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", -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", -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", -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", -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", -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 ); | |
| if( ret != 0 ) | |
| { | |
| mbedtls_strerror( ret, buf, 1024 ); | |
| mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile " | |
| "returned -0x%04x - %s\n\n", -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 ); | |
| if( ret != 0 ) | |
| { | |
| mbedtls_strerror( ret, buf, 1024 ); | |
| mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile " | |
| "returned -x%02x - %s\n\n", -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 ) != 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", -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", -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", -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", -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", -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", | |
| -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", | |
| -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", -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", -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", | |
| -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 | |
| return( 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 */ |