コード例 #1
0
ファイル: X509Req.cpp プロジェクト: annehou/fibjs
result_t X509Req::get_subject(std::string &retVal)
{
    int ret;
    std::string buf;

    buf.resize(1024);

    ret = x509_dn_gets(&buf[0], buf.length(), &m_csr.subject);
    if (ret < 0)
        return CHECK_ERROR(_ssl::setError(ret));

    buf.resize(ret);
    retVal = buf;

    return 0;
}
コード例 #2
0
char *
x509_get_subject(x509_crt *cert, struct gc_arena *gc)
{
  char tmp_subject[MAX_SUBJECT_LENGTH] = {0};
  char *subject = NULL;

  int ret = 0;

  ret = x509_dn_gets( tmp_subject, MAX_SUBJECT_LENGTH-1, &cert->subject );
  if (ret > 0)
    {
      /* Allocate the required space for the subject */
      subject = string_alloc(tmp_subject, gc);
    }

  return subject;
}
コード例 #3
0
ファイル: x509_csr.c プロジェクト: BenKoerber/clearskies_core
/*
 * Return an informational string about the CSR.
 */
int x509_csr_info( char *buf, size_t size, const char *prefix,
                   const x509_csr *csr )
{
    int ret;
    size_t n;
    char *p;
    const char *desc;
    char key_size_str[BEFORE_COLON];

    p = buf;
    n = size;

    ret = snprintf( p, n, "%sCSR version   : %d",
                               prefix, csr->version );
    SAFE_SNPRINTF();

    ret = snprintf( p, n, "\n%ssubject name  : ", prefix );
    SAFE_SNPRINTF();
    ret = x509_dn_gets( p, n, &csr->subject );
    SAFE_SNPRINTF();

    ret = snprintf( p, n, "\n%ssigned using  : ", prefix );
    SAFE_SNPRINTF();

    ret = oid_get_sig_alg_desc( &csr->sig_oid, &desc );
    if( ret != 0 )
        ret = snprintf( p, n, "???"  );
    else
        ret = snprintf( p, n, "%s", desc );
    SAFE_SNPRINTF();

    if( ( ret = x509_key_size_helper( key_size_str, BEFORE_COLON,
                                      pk_get_name( &csr->pk ) ) ) != 0 )
    {
        return( ret );
    }

    ret = snprintf( p, n, "\n%s%-" BC "s: %d bits\n", prefix, key_size_str,
                          (int) pk_get_size( &csr->pk ) );
    SAFE_SNPRINTF();

    return( (int) ( size - n ) );
}
コード例 #4
0
ファイル: X509Cert.cpp プロジェクト: annehou/fibjs
result_t X509Cert::get_subject(std::string &retVal)
{
    x509_crt *crt = get_crt();
    if (!crt)
        return CHECK_ERROR(CALL_E_INVALID_CALL);

    int ret;
    std::string buf;

    buf.resize(1024);

    ret = x509_dn_gets(&buf[0], buf.length(), &crt->subject);
    if (ret < 0)
        return CHECK_ERROR(_ssl::setError(ret));

    buf.resize(ret);
    retVal = buf;

    return 0;
}
コード例 #5
0
static
int
__pkcs11h_crypto_mbedtls_certificate_get_dn (
	IN void * const global_data,
	IN const unsigned char * const blob,
	IN const size_t blob_size,
	OUT char * const dn,
	IN const size_t dn_max
) {
	x509_crt x509;
	int ret = FALSE;

	(void)global_data;

	/*_PKCS11H_ASSERT (global_data!=NULL); NOT NEEDED*/
	_PKCS11H_ASSERT (blob!=NULL);
	_PKCS11H_ASSERT (dn!=NULL);
	_PKCS11H_ASSERT (dn_max>0);

	dn[0] = '\x0';

	memset(&x509, 0, sizeof(x509));
	if (0 != x509_crt_parse (&x509, blob, blob_size)) {
		goto cleanup;
	}

	if (-1 == x509_dn_gets(dn, dn_max, &x509.subject)) {
		goto cleanup;
	}

	ret = TRUE;

cleanup:

	x509_crt_free(&x509);

	return ret;
}
コード例 #6
0
ファイル: x509_crl.c プロジェクト: RJAugust/opensgx
/*
 * Return an informational string about the CRL.
 */
int x509_crl_info( char *buf, size_t size, const char *prefix,
                   const x509_crl *crl )
{
    int ret;
    size_t n;
    char *p;
    const x509_crl_entry *entry;

    p = buf;
    n = size;

    ret = polarssl_snprintf( p, n, "%sCRL version   : %d",
                               prefix, crl->version );
    SAFE_SNPRINTF();

    ret = polarssl_snprintf( p, n, "\n%sissuer name   : ", prefix );
    SAFE_SNPRINTF();
    ret = x509_dn_gets( p, n, &crl->issuer );
    SAFE_SNPRINTF();

    ret = polarssl_snprintf( p, n, "\n%sthis update   : " \
                   "%04d-%02d-%02d %02d:%02d:%02d", prefix,
                   crl->this_update.year, crl->this_update.mon,
                   crl->this_update.day,  crl->this_update.hour,
                   crl->this_update.min,  crl->this_update.sec );
    SAFE_SNPRINTF();

    ret = polarssl_snprintf( p, n, "\n%snext update   : " \
                   "%04d-%02d-%02d %02d:%02d:%02d", prefix,
                   crl->next_update.year, crl->next_update.mon,
                   crl->next_update.day,  crl->next_update.hour,
                   crl->next_update.min,  crl->next_update.sec );
    SAFE_SNPRINTF();

    entry = &crl->entry;

    ret = polarssl_snprintf( p, n, "\n%sRevoked certificates:",
                               prefix );
    SAFE_SNPRINTF();

    while( entry != NULL && entry->raw.len != 0 )
    {
        ret = polarssl_snprintf( p, n, "\n%sserial number: ",
                               prefix );
        SAFE_SNPRINTF();

        ret = x509_serial_gets( p, n, &entry->serial );
        SAFE_SNPRINTF();

        ret = polarssl_snprintf( p, n, " revocation date: " \
                   "%04d-%02d-%02d %02d:%02d:%02d",
                   entry->revocation_date.year, entry->revocation_date.mon,
                   entry->revocation_date.day,  entry->revocation_date.hour,
                   entry->revocation_date.min,  entry->revocation_date.sec );
        SAFE_SNPRINTF();

        entry = entry->next;
    }

    ret = polarssl_snprintf( p, n, "\n%ssigned using  : ", prefix );
    SAFE_SNPRINTF();

    ret = x509_sig_alg_gets( p, n, &crl->sig_oid1, crl->sig_pk, crl->sig_md,
                             crl->sig_opts );
    SAFE_SNPRINTF();

    ret = polarssl_snprintf( p, n, "\n" );
    SAFE_SNPRINTF();

    return( (int) ( size - n ) );
}
コード例 #7
0
ファイル: x509_crt.c プロジェクト: Bigorneau/dolphin
int x509_crt_info( char *buf, size_t size, const char *prefix,
                   const x509_crt *crt )
{
    int ret;
    size_t n;
    char *p;
    const char *desc = NULL;
    char key_size_str[BEFORE_COLON];

    p = buf;
    n = size;

    ret = snprintf( p, n, "%scert. version : %d\n",
                               prefix, crt->version );
    SAFE_SNPRINTF();
    ret = snprintf( p, n, "%sserial number : ",
                               prefix );
    SAFE_SNPRINTF();

    ret = x509_serial_gets( p, n, &crt->serial);
    SAFE_SNPRINTF();

    ret = snprintf( p, n, "\n%sissuer name   : ", prefix );
    SAFE_SNPRINTF();
    ret = x509_dn_gets( p, n, &crt->issuer  );
    SAFE_SNPRINTF();

    ret = snprintf( p, n, "\n%ssubject name  : ", prefix );
    SAFE_SNPRINTF();
    ret = x509_dn_gets( p, n, &crt->subject );
    SAFE_SNPRINTF();

    ret = snprintf( p, n, "\n%sissued  on    : " \
                   "%04d-%02d-%02d %02d:%02d:%02d", prefix,
                   crt->valid_from.year, crt->valid_from.mon,
                   crt->valid_from.day,  crt->valid_from.hour,
                   crt->valid_from.min,  crt->valid_from.sec );
    SAFE_SNPRINTF();

    ret = snprintf( p, n, "\n%sexpires on    : " \
                   "%04d-%02d-%02d %02d:%02d:%02d", prefix,
                   crt->valid_to.year, crt->valid_to.mon,
                   crt->valid_to.day,  crt->valid_to.hour,
                   crt->valid_to.min,  crt->valid_to.sec );
    SAFE_SNPRINTF();

    ret = snprintf( p, n, "\n%ssigned using  : ", prefix );
    SAFE_SNPRINTF();

    ret = oid_get_sig_alg_desc( &crt->sig_oid1, &desc );
    if( ret != 0 )
        ret = snprintf( p, n, "???"  );
    else
        ret = snprintf( p, n, "%s", desc );
    SAFE_SNPRINTF();

    if( ( ret = x509_key_size_helper( key_size_str, BEFORE_COLON,
                                      pk_get_name( &crt->pk ) ) ) != 0 )
    {
        return( ret );
    }

    ret = snprintf( p, n, "\n%s%-" BC "s: %d bits\n", prefix, key_size_str,
                          (int) pk_get_size( &crt->pk ) );
    SAFE_SNPRINTF();

    return( (int) ( size - n ) );
}
コード例 #8
0
ファイル: cert_write.c プロジェクト: ffsc/polarssl
int main( int argc, char *argv[] )
{
    int ret = 0;
    x509_crt issuer_crt;
    pk_context loaded_issuer_key, loaded_subject_key;
    pk_context *issuer_key = &loaded_issuer_key,
                *subject_key = &loaded_subject_key;
    char buf[1024];
    char issuer_name[128];
    int i, j, n;
    char *p, *q, *r;
#if defined(POLARSSL_X509_CSR_PARSE_C)
    char subject_name[128];
    x509_csr csr;
#endif
    x509write_cert crt;
    mpi serial;
    entropy_context entropy;
    ctr_drbg_context ctr_drbg;
    const char *pers = "crt example app";

    /*
     * Set to sane values
     */
    x509write_crt_init( &crt );
    x509write_crt_set_md_alg( &crt, POLARSSL_MD_SHA1 );
    pk_init( &loaded_issuer_key );
    pk_init( &loaded_subject_key );
    mpi_init( &serial );
#if defined(POLARSSL_X509_CSR_PARSE_C)
    x509_csr_init( &csr );
#endif
    x509_crt_init( &issuer_crt );
    memset( buf, 0, 1024 );

    if( argc == 0 )
    {
    usage:
        printf( USAGE );
        ret = 1;
        goto exit;
    }

    opt.issuer_crt          = DFL_ISSUER_CRT;
    opt.request_file        = DFL_REQUEST_FILE;
    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;

    for( i = 1; i < argc; i++ )
    {

        p = argv[i];
        if( ( q = strchr( p, '=' ) ) == NULL )
            goto usage;
        *q++ = '\0';

        n = strlen( p );
        for( j = 0; j < n; j++ )
        {
            if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
                argv[i][j] |= 0x20;
        }

        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, "selfsign" ) == 0 )
        {
            opt.selfsign = atoi( q );
            if( opt.selfsign < 0 || opt.selfsign > 1 )
                goto usage;
        }
        else if( strcmp( p, "is_ca" ) == 0 )
        {
            opt.is_ca = atoi( q );
            if( opt.is_ca < 0 || opt.is_ca > 1 )
                goto usage;
        }
        else if( strcmp( p, "max_pathlen" ) == 0 )
        {
            opt.max_pathlen = atoi( q );
            if( opt.max_pathlen < -1 || opt.max_pathlen > 127 )
                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 |= KU_DIGITAL_SIGNATURE;
                else if( strcmp( q, "non_repudiation" ) == 0 )
                    opt.key_usage |= KU_NON_REPUDIATION;
                else if( strcmp( q, "key_encipherment" ) == 0 )
                    opt.key_usage |= KU_KEY_ENCIPHERMENT;
                else if( strcmp( q, "data_encipherment" ) == 0 )
                    opt.key_usage |= KU_DATA_ENCIPHERMENT;
                else if( strcmp( q, "key_agreement" ) == 0 )
                    opt.key_usage |= KU_KEY_AGREEMENT;
                else if( strcmp( q, "key_cert_sign" ) == 0 )
                    opt.key_usage |= KU_KEY_CERT_SIGN;
                else if( strcmp( q, "crl_sign" ) == 0 )
                    opt.key_usage |= KU_CRL_SIGN;
                else
                    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 |= NS_CERT_TYPE_SSL_CLIENT;
                else if( strcmp( q, "ssl_server" ) == 0 )
                    opt.ns_cert_type |= NS_CERT_TYPE_SSL_SERVER;
                else if( strcmp( q, "email" ) == 0 )
                    opt.ns_cert_type |= NS_CERT_TYPE_EMAIL;
                else if( strcmp( q, "object_signing" ) == 0 )
                    opt.ns_cert_type |= NS_CERT_TYPE_OBJECT_SIGNING;
                else if( strcmp( q, "ssl_ca" ) == 0 )
                    opt.ns_cert_type |= NS_CERT_TYPE_SSL_CA;
                else if( strcmp( q, "email_ca" ) == 0 )
                    opt.ns_cert_type |= NS_CERT_TYPE_EMAIL_CA;
                else if( strcmp( q, "object_signing_ca" ) == 0 )
                    opt.ns_cert_type |= NS_CERT_TYPE_OBJECT_SIGNING_CA;
                else
                    goto usage;

                q = r;
            }
        }
        else
            goto usage;
    }

    printf("\n");

    /*
     * 0. Seed the PRNG
     */
    printf( "  . Seeding the random number generator..." );
    fflush( stdout );

    entropy_init( &entropy );
    if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
                               (const unsigned char *) pers,
                               strlen( pers ) ) ) != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  ctr_drbg_init returned %d - %s\n", ret, buf );
        goto exit;
    }

    printf( " ok\n" );

    // Parse serial to MPI
    //
    printf( "  . Reading serial number..." );
    fflush( stdout );

    if( ( ret = mpi_read_string( &serial, 10, opt.serial ) ) != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  mpi_read_string returned -0x%02x - %s\n\n", -ret, buf );
        goto exit;
    }

    printf( " ok\n" );

    // Parse issuer certificate if present
    //
    if( !opt.selfsign && strlen( opt.issuer_crt ) )
    {
        /*
         * 1.0.a. Load the certificates
         */
        printf( "  . Loading the issuer certificate ..." );
        fflush( stdout );

        if( ( ret = x509_crt_parse_file( &issuer_crt, opt.issuer_crt ) ) != 0 )
        {
            error_strerror( ret, buf, 1024 );
            printf( " failed\n  !  x509_crt_parse_file returned -0x%02x - %s\n\n", -ret, buf );
            goto exit;
        }

        ret = x509_dn_gets( issuer_name, sizeof(issuer_name),
                                 &issuer_crt.issuer );
        if( ret < 0 )
        {
            error_strerror( ret, buf, 1024 );
            printf( " failed\n  !  x509_dn_gets returned -0x%02x - %s\n\n", -ret, buf );
            goto exit;
        }

        opt.issuer_name = issuer_name;

        printf( " ok\n" );
    }

#if defined(POLARSSL_X509_CSR_PARSE_C)
    // Parse certificate request if present
    //
    if( !opt.selfsign && strlen( opt.request_file ) )
    {
        /*
         * 1.0.b. Load the CSR
         */
        printf( "  . Loading the certificate request ..." );
        fflush( stdout );

        if( ( ret = x509_csr_parse_file( &csr, opt.request_file ) ) != 0 )
        {
            error_strerror( ret, buf, 1024 );
            printf( " failed\n  !  x509_csr_parse_file returned -0x%02x - %s\n\n", -ret, buf );
            goto exit;
        }

        ret = x509_dn_gets( subject_name, sizeof(subject_name),
                                 &csr.subject );
        if( ret < 0 )
        {
            error_strerror( ret, buf, 1024 );
            printf( " failed\n  !  x509_dn_gets returned -0x%02x - %s\n\n", -ret, buf );
            goto exit;
        }

        opt.subject_name = subject_name;
        subject_key = &csr.pk;

        printf( " ok\n" );
    }
#endif /* POLARSSL_X509_CSR_PARSE_C */

    /*
     * 1.1. Load the keys
     */
    if( !opt.selfsign && !strlen( opt.request_file ) )
    {
        printf( "  . Loading the subject key ..." );
        fflush( stdout );

        ret = pk_parse_keyfile( &loaded_subject_key, opt.subject_key,
                                 opt.subject_pwd );
        if( ret != 0 )
        {
            error_strerror( ret, buf, 1024 );
            printf( " failed\n  !  pk_parse_keyfile returned -0x%02x - %s\n\n", -ret, buf );
            goto exit;
        }

        printf( " ok\n" );
    }

    printf( "  . Loading the issuer key ..." );
    fflush( stdout );

    ret = pk_parse_keyfile( &loaded_issuer_key, opt.issuer_key,
                             opt.issuer_pwd );
    if( ret != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  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( !pk_can_do( &issuer_crt.pk, POLARSSL_PK_RSA ) ||
            mpi_cmp_mpi( &pk_rsa( issuer_crt.pk )->N,
                         &pk_rsa( *issuer_key )->N ) != 0 ||
            mpi_cmp_mpi( &pk_rsa( issuer_crt.pk )->E,
                         &pk_rsa( *issuer_key )->E ) != 0 )
        {
            printf( " failed\n  !  issuer_key does not match issuer certificate\n\n" );
            ret = -1;
            goto exit;
        }
    }

    printf( " ok\n" );

    if( opt.selfsign )
    {
        opt.subject_name = opt.issuer_name;
        subject_key = issuer_key;
    }

    x509write_crt_set_subject_key( &crt, subject_key );
    x509write_crt_set_issuer_key( &crt, issuer_key );

    /*
     * 1.0. Check the names for validity
     */
    if( ( ret = x509write_crt_set_subject_name( &crt, opt.subject_name ) ) != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  x509write_crt_set_subject_name returned -0x%02x - %s\n\n", -ret, buf );
        goto exit;
    }

    if( ( ret = x509write_crt_set_issuer_name( &crt, opt.issuer_name ) ) != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  x509write_crt_set_issuer_name returned -0x%02x - %s\n\n", -ret, buf );
        goto exit;
    }

    printf( "  . Setting certificate values ..." );
    fflush( stdout );

    ret = x509write_crt_set_serial( &crt, &serial );
    if( ret != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  x509write_crt_set_serial returned -0x%02x - %s\n\n", -ret, buf );
        goto exit;
    }

    ret = x509write_crt_set_validity( &crt, opt.not_before, opt.not_after );
    if( ret != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  x509write_crt_set_validity returned -0x%02x - %s\n\n", -ret, buf );
        goto exit;
    }

    printf( " ok\n" );

    printf( "  . Adding the Basic Constraints extension ..." );
    fflush( stdout );

    ret = x509write_crt_set_basic_constraints( &crt, opt.is_ca,
                                               opt.max_pathlen );
    if( ret != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  x509write_crt_set_basic_contraints returned -0x%02x - %s\n\n", -ret, buf );
        goto exit;
    }

    printf( " ok\n" );

#if defined(POLARSSL_SHA1_C)
    printf( "  . Adding the Subject Key Identifier ..." );
    fflush( stdout );

    ret = x509write_crt_set_subject_key_identifier( &crt );
    if( ret != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  x509write_crt_set_subject_key_identifier returned -0x%02x - %s\n\n", -ret, buf );
        goto exit;
    }

    printf( " ok\n" );

    printf( "  . Adding the Authority Key Identifier ..." );
    fflush( stdout );

    ret = x509write_crt_set_authority_key_identifier( &crt );
    if( ret != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  x509write_crt_set_authority_key_identifier returned -0x%02x - %s\n\n", -ret, buf );
        goto exit;
    }

    printf( " ok\n" );
#endif /* POLARSSL_SHA1_C */

    if( opt.key_usage )
    {
        printf( "  . Adding the Key Usage extension ..." );
        fflush( stdout );

        ret = x509write_crt_set_key_usage( &crt, opt.key_usage );
        if( ret != 0 )
        {
            error_strerror( ret, buf, 1024 );
            printf( " failed\n  !  x509write_crt_set_key_usage returned -0x%02x - %s\n\n", -ret, buf );
            goto exit;
        }

        printf( " ok\n" );
    }

    if( opt.ns_cert_type )
    {
        printf( "  . Adding the NS Cert Type extension ..." );
        fflush( stdout );

        ret = x509write_crt_set_ns_cert_type( &crt, opt.ns_cert_type );
        if( ret != 0 )
        {
            error_strerror( ret, buf, 1024 );
            printf( " failed\n  !  x509write_crt_set_ns_cert_type returned -0x%02x - %s\n\n", -ret, buf );
            goto exit;
        }

        printf( " ok\n" );
    }

    /*
     * 1.2. Writing the request
     */
    printf( "  . Writing the certificate..." );
    fflush( stdout );

    if( ( ret = write_certificate( &crt, opt.output_file,
                                   ctr_drbg_random, &ctr_drbg ) ) != 0 )
    {
        error_strerror( ret, buf, 1024 );
        printf( " failed\n  !  write_certifcate -0x%02x - %s\n\n", -ret, buf );
        goto exit;
    }

    printf( " ok\n" );

exit:
    x509write_crt_free( &crt );
    pk_free( &loaded_subject_key );
    pk_free( &loaded_issuer_key );
    mpi_free( &serial );
    entropy_free( &entropy );

#if defined(_WIN32)
    printf( "  + Press Enter to exit this program.\n" );
    fflush( stdout ); getchar();
#endif

    return( ret );
}