103 } opt;  variable
163     opt.filename            = DFL_FILENAME;  in main()
164     opt.debug_level         = DFL_DEBUG_LEVEL;  in main()
165     opt.output_file         = DFL_OUTPUT_FILENAME;  in main()
166     opt.subject_name        = DFL_SUBJECT_NAME;  in main()
167     opt.key_usage           = DFL_KEY_USAGE;  in main()
168     opt.ns_cert_type        = DFL_NS_CERT_TYPE;  in main()
179             opt.filename = q;  in main()
181             opt.output_file = q;  in main()
184             opt.debug_level = atoi( q );  in main()
185             if( opt.debug_level < 0 || opt.debug_level > 65535 )  in main()
190             opt.subject_name = q;  in main()
200                     opt.key_usage |= MBEDTLS_X509_KU_DIGITAL_SIGNATURE;  in main()
202                     opt.key_usage |= MBEDTLS_X509_KU_NON_REPUDIATION;  in main()
204                     opt.key_usage |= MBEDTLS_X509_KU_KEY_ENCIPHERMENT;  in main()
206                     opt.key_usage |= MBEDTLS_X509_KU_DATA_ENCIPHERMENT;  in main()
208                     opt.key_usage |= MBEDTLS_X509_KU_KEY_AGREEMENT;  in main()
210                     opt.key_usage |= MBEDTLS_X509_KU_KEY_CERT_SIGN;  in main()
212                     opt.key_usage |= MBEDTLS_X509_KU_CRL_SIGN;  in main()
227                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CLIENT;  in main()
229                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER;  in main()
231                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL;  in main()
233                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING;  in main()
235                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CA;  in main()
237                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL_CA;  in main()
239                     opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING_CA;  in main()
250     if( opt.key_usage )  in main()
251         mbedtls_x509write_csr_set_key_usage( &req, opt.key_usage );  in main()
253     if( opt.ns_cert_type )  in main()
254         mbedtls_x509write_csr_set_ns_cert_type( &req, opt.ns_cert_type );  in main()
279     if( ( ret = mbedtls_x509write_csr_set_subject_name( &req, opt.subject_name ) ) != 0 )  in main()
293     ret = mbedtls_pk_parse_keyfile( &key, opt.filename, NULL );  in main()
311     if( ( ret = write_certificate_request( &req, opt.output_file,  in main()