def decrypt_work_order_response(response, session_key, session_iv): decrypted_data = "" try: decrypted_data = enclave_helper.decrypted_response( response, session_key, session_iv) err_cd = 0 logger.info('Success: Work Order Response Decrypted.\n\n') except Exception: err_cd = 1 logger.info('ERROR: Work Order Response Decryption Failed') return err_cd, decrypted_data
def Main(args=None): ParseCommandLine(args) config["Logging"] = {"LogFile": "__screen__", "LogLevel": "INFO"} plogger.setup_loggers(config.get("Logging", {})) sys.stdout = plogger.stream_to_logger(logging.getLogger("STDOUT"), logging.DEBUG) sys.stderr = plogger.stream_to_logger(logging.getLogger("STDERR"), logging.WARN) logger.info("***************** AVALON *****************") # Connect to registry list and retrieve registry if not off_chain: registry_list_instance = direct_jrpc.get_worker_registry_list_instance( ) # Lookup returns tuple, first element is number of registries and # second is element is lookup tag and # third is list of organization ids. registry_count, lookup_tag, registry_list = \ registry_list_instance.registry_lookup() logger.info("\n Registry lookup response: registry count: {} " + "lookup tag: {} registry list: {}\n".format( registry_count, lookup_tag, registry_list)) if (registry_count == 0): logger.warn("No registries found") sys.exit(1) # Retrieve the first registry details. registry_retrieve_result = registry_list_instance.registry_retrieve( registry_list[0]) logger.info("\n Registry retrieve response: {}\n".format( registry_retrieve_result)) config["tcf"]["json_rpc_uri"] = registry_retrieve_result[0] # Prepare worker req_id = 31 global worker_id worker_registry_instance = direct_jrpc.get_worker_registry_instance() if not worker_id: worker_lookup_result = worker_registry_instance.worker_lookup( worker_type=WorkerType.TEE_SGX, id=req_id) logger.info("\n Worker lookup response: {}\n".format( json.dumps(worker_lookup_result, indent=4))) if "result" in worker_lookup_result and \ "ids" in worker_lookup_result["result"].keys(): if worker_lookup_result["result"]["totalCount"] != 0: worker_id = worker_lookup_result["result"]["ids"][0] else: logger.error("ERROR: No workers found") sys.exit(1) else: logger.error("ERROR: Failed to lookup worker") sys.exit(1) req_id += 1 worker_retrieve_result = worker_registry_instance.worker_retrieve( worker_id, req_id) logger.info("\n Worker retrieve response: {}\n".format( json.dumps(worker_retrieve_result, indent=4))) worker_obj.load_worker(worker_retrieve_result) logger.info( "**********Worker details Updated with Worker ID" + "*********\n%s\n", worker_id) # Convert workloadId to hex workload_id = "echo-result".encode("UTF-8").hex() work_order_id = secrets.token_hex(32) requester_id = secrets.token_hex(32) session_iv = utility.generate_iv() session_key = utility.generate_key() requester_nonce = secrets.token_hex(16) # Create work order wo_params = WorkOrderParams( work_order_id, worker_id, workload_id, requester_id, session_key, session_iv, requester_nonce, result_uri=" ", notify_uri=" ", worker_encryption_key=worker_obj.encryption_key, data_encryption_algorithm="AES-GCM-256") # Add worker input data if input_data_hash: # Compute data hash for data params inData data_hash = utility.compute_data_hash(message) # Convert data_hash to hex data_hash = hex_utils.byte_array_to_hex_str(data_hash) wo_params.add_in_data(message, data_hash) else: wo_params.add_in_data(message) # Encrypt work order request hash wo_params.add_encrypted_request_hash() private_key = utility.generate_signing_keys() if requester_signature: # Add requester signature and requester verifying_key if wo_params.add_requester_signature(private_key) is False: logger.info("Work order request signing failed") exit(1) # Submit work order logger.info("Work order submit request : %s, \n \n ", wo_params.to_jrpc_string(req_id)) work_order_instance = direct_jrpc.get_work_order_instance() req_id += 1 response = work_order_instance.work_order_submit( wo_params.get_work_order_id(), wo_params.get_worker_id(), wo_params.get_requester_id(), wo_params.to_string(), id=req_id) logger.info("Work order submit response : {}\n ".format( json.dumps(response, indent=4))) if "error" in response and response["error"]["code"] != \ WorkOrderStatus.PENDING: sys.exit(1) # Create receipt wo_receipt_instance = direct_jrpc.get_work_order_receipt_instance() req_id += 1 # Create work order receipt object using WorkOrderReceiptRequest class wo_request = json.loads(wo_params.to_jrpc_string(req_id)) wo_receipt_obj = WorkOrderReceiptRequest() wo_create_receipt = wo_receipt_obj.create_receipt( wo_request, ReceiptCreateStatus.PENDING.value, private_key) logger.info("Work order create receipt request : {} \n \n ".format( json.dumps(wo_create_receipt, indent=4))) # Submit work order create receipt jrpc request wo_receipt_resp = wo_receipt_instance.work_order_receipt_create( wo_create_receipt["workOrderId"], wo_create_receipt["workerServiceId"], wo_create_receipt["workerId"], wo_create_receipt["requesterId"], wo_create_receipt["receiptCreateStatus"], wo_create_receipt["workOrderRequestHash"], wo_create_receipt["requesterGeneratedNonce"], wo_create_receipt["requesterSignature"], wo_create_receipt["signatureRules"], wo_create_receipt["receiptVerificationKey"], req_id) logger.info("Work order create receipt response : {} \n \n ".format( wo_receipt_resp)) # Retrieve result req_id += 1 res = work_order_instance.work_order_get_result(work_order_id, req_id) logger.info("Work order get result : {}\n ".format( json.dumps(res, indent=4))) sig_obj = signature.ClientSignature() if "result" in res: status = sig_obj.verify_signature(res, worker_obj.verification_key) try: if status == SignatureStatus.PASSED: logger.info( "Work order response signature verification Successful") decrypted_res = utility.decrypted_response( res, session_key, session_iv) logger.info("\nDecrypted response:\n {}".format(decrypted_res)) if input_data_hash: decrypted_data = decrypted_res[0]["data"] data_hash_in_resp = (decrypted_res[0]["dataHash"]).upper() # Verify data hash in response if utility.verify_data_hash(decrypted_data, data_hash_in_resp) is False: sys.exit(1) else: logger.info("Signature verification Failed") sys.exit(1) except Exception as err: logger.error("ERROR: Failed to decrypt response: %s", str(err)) sys.exit(1) else: logger.info("\n Work order get result failed {}\n".format(res)) sys.exit(1) # Retrieve receipt receipt_res = wo_receipt_instance.work_order_receipt_retrieve( work_order_id, id=req_id) logger.info("\n Retrieve receipt response:\n {}".format( json.dumps(receipt_res, indent=4))) # Retrieve last update to receipt by passing 0xFFFFFFFF req_id += 1 receipt_update_retrieve = \ wo_receipt_instance.work_order_receipt_update_retrieve( work_order_id, None, 1 << 32, id=req_id) logger.info("\n Last update to receipt receipt is:\n {}".format( json.dumps(receipt_update_retrieve, indent=4))) status = sig_obj.verify_update_receipt_signature(receipt_update_retrieve) if status == SignatureStatus.PASSED: logger.info( "Work order receipt retrieve signature verification Successful") else: logger.info( "Work order receipt retrieve signature verification failed!!") sys.exit(1) # Receipt lookup based on requesterId req_id += 1 receipt_lookup_res = wo_receipt_instance.work_order_receipt_lookup( requester_id=requester_id, id=req_id) logger.info("\n Work order receipt lookup response :\n {}".format( json.dumps(receipt_lookup_res, indent=4)))
def local_main(config): if not input_json_str and not input_json_dir: LOGGER.error("JSON input file is not provided") exit(1) if not output_json_file_name: LOGGER.error("JSON output file is not provided") exit(1) if not server_uri: LOGGER.error("Server URI is not provided") exit(1) LOGGER.info("Execute work order") uri_client = HttpJrpcClient(server_uri) response = None wo_id = None if input_json_dir: directory = os.fsencode(input_json_dir) files = os.listdir(directory) for file in sorted(files): LOGGER.info("---------------- Input file name: %s -------------\n", file.decode("utf-8")) input_json_str1 = futils.read_json_file( (directory.decode("utf-8") + file.decode("utf-8"))) # ----------------------------------------------------------------- # If Client request is WorkOrderSubmit, a requester payload's # signature with the requester private signing key is generated. if "WorkOrderSubmit" in input_json_str1: # Update workOrderId , workerId and workloadId input_json_obj = json.loads(input_json_str1) wo_id = hex(random.randint(1, 2**64 - 1)) input_json_obj["params"]["workOrderId"] = wo_id input_json_obj["params"]["workerId"] = worker_obj.worker_id # Convert workloadId to a hex string and update the request workload_id = input_json_obj["params"]["workloadId"] workload_id_hex = workload_id.encode("UTF-8").hex() input_json_obj["params"]["workloadId"] = workload_id_hex input_json_str1 = json.dumps(input_json_obj) # Generate session iv an encrypted session key session_iv = enclave_helper.generate_iv() session_key = enclave_helper.generate_key() encrypted_session_key = enclave_helper.generate_encrypted_key( session_key, worker_obj.encryption_key) input_json_str1, status = sig_obj.generate_client_signature( input_json_str1, worker_obj, private_key, session_key, session_iv, encrypted_session_key) if status != SignatureStatus.PASSED: LOGGER.info("Generate signature failed\n") exit(1) if input_json_str1 is None: continue # ----------------------------------------------------------------- # Update the worker ID if response: if "workerId" in input_json_str1: # Retrieve the worker id from the "WorkerRetrieve" # response and update the worker id information for # further json requests. if "result" in response and \ "ids" in response["result"].keys(): input_json_final = json.loads(input_json_str1) worker_id = response["result"]["ids"][0] input_json_final["params"]["workerId"] = worker_id input_json_str1 = json.dumps(input_json_final) LOGGER.info( "********** Worker details Updated with " "Worker ID*********\n%s\n", input_json_str1) # ----------------------------------------------------------------- if "WorkOrderGetResult" in input_json_str1 or \ "WorkOrderReceiptRetrieve": input_json_obj = json.loads(input_json_str1) input_json_obj["params"]["workOrderId"] = wo_id input_json_str1 = json.dumps(input_json_obj) LOGGER.info("*********Request Json********* \n%s\n", input_json_str1) response = uri_client._postmsg(input_json_str1) LOGGER.info("**********Received Response*********\n%s\n", response) # ----------------------------------------------------------------- # Worker details are loaded into Worker_Obj if "WorkerRetrieve" in input_json_str1 and "result" in response: worker_obj.load_worker(response) # ----------------------------------------------------------------- # Poll for "WorkOrderGetResult" and break when you get the result while ("WorkOrderGetResult" in input_json_str1 and "result" not in response): if response["error"]["code"] != WorkOrderStatus.PENDING: break response = uri_client._postmsg(input_json_str1) LOGGER.info("Received Response: %s, \n \n ", response) time.sleep(3) # ----------------------------------------------------------------- # Verify the signature if "WorkOrderGetResult" in input_json_str1: if "error" in response: # Response has error, hence skip Signature verification LOGGER.info("Work order response has error; " "skipping signature verification") continue sig_bool = sig_obj.verify_signature( response, worker_obj.verification_key) try: if sig_bool > 0: LOGGER.info("Signature Verified") enclave_helper.decrypted_response( response, session_key, session_iv) else: LOGGER.info("Signature verification Failed") exit(1) except Exception as e: LOGGER.error("ERROR: Failed to analyze " + "Signature Verification") exit(1) # ----------------------------------------------------------------- else: LOGGER.info("Input Request %s", input_json_str) response = uri_client._postmsg(input_json_str) LOGGER.info("Received Response: %s , \n \n ", response) exit(0)
def Main(args=None): options = _parse_command_line(args) config = _parse_config_file(options.config) if config is None: logger.error("\n Error in parsing config file: {}\n".format( options.config)) sys.exit(-1) # mode should be one of listing or registry (default) mode = options.mode # Http JSON RPC listener uri uri = options.uri if uri: config["tcf"]["json_rpc_uri"] = uri # Address of smart contract address = options.address if address: if mode == "listing": config["ethereum"]["direct_registry_contract_address"] = \ address elif mode == "registry": logger.error( "\n Only Worker registry listing address is supported." + "Worker registry address is unsupported \n") sys.exit(-1) # worker id worker_id = options.worker_id # work load id of worker workload_id = options.workload_id if not workload_id: logger.error("\nWorkload id is mandatory\n") sys.exit(-1) # work order input data in_data = options.in_data # show receipt in output show_receipt = options.receipt # show decrypted result in output show_decrypted_output = options.decrypted_output # requester signature for work order requests requester_signature = options.requester_signature # setup logging config["Logging"] = {"LogFile": "__screen__", "LogLevel": "INFO"} plogger.setup_loggers(config.get("Logging", {})) sys.stdout = plogger.stream_to_logger(logging.getLogger("STDOUT"), logging.DEBUG) sys.stderr = plogger.stream_to_logger(logging.getLogger("STDERR"), logging.WARN) logger.info("******* Hyperledger Avalon Generic client *******") if mode == "registry" and address: logger.error("\n Worker registry contract address is unsupported \n") sys.exit(-1) # Retrieve JSON RPC uri from registry list if not uri and mode == "listing": uri = _retrieve_uri_from_registry_list(config) if uri is None: logger.error("\n Unable to get http JSON RPC uri \n") sys.exit(-1) # Prepare worker # JRPC request id. Choose any integer value jrpc_req_id = 31 worker_registry = WorkerRegistryJRPCClientImpl(config) if not worker_id: # Get first worker from worker registry worker_id = _lookup_first_worker(worker_registry, jrpc_req_id) if worker_id is None: logger.error("\n Unable to get worker \n") sys.exit(-1) # Retrieve worker details jrpc_req_id += 1 worker_retrieve_result = worker_registry.worker_retrieve( worker_id, jrpc_req_id) logger.info("\n Worker retrieve response: {}\n".format( json.dumps(worker_retrieve_result, indent=4))) if "error" in worker_retrieve_result: logger.error("Unable to retrieve worker details\n") sys.exit(1) # Create session key and iv to sign work order request session_key = crypto_utility.generate_key() session_iv = crypto_utility.generate_iv() # Initializing Worker Object worker_obj = worker_details.SGXWorkerDetails() worker_obj.load_worker(worker_retrieve_result) logger.info( "**********Worker details Updated with Worker ID" + "*********\n%s\n", worker_id) # Create work order wo_params = _create_work_order_params(worker_id, workload_id, in_data, worker_obj.encryption_key, session_key, session_iv) client_private_key = crypto_utility.generate_signing_keys() if requester_signature: # Add requester signature and requester verifying_key if wo_params.add_requester_signature(client_private_key) is False: logger.info("Work order request signing failed") exit(1) # Submit work order logger.info("Work order submit request : %s, \n \n ", wo_params.to_jrpc_string(jrpc_req_id)) work_order = WorkOrderJRPCClientImpl(config) jrpc_req_id += 1 response = work_order.work_order_submit(wo_params.get_work_order_id(), wo_params.get_worker_id(), wo_params.get_requester_id(), wo_params.to_string(), id=jrpc_req_id) logger.info("Work order submit response : {}\n ".format( json.dumps(response, indent=4))) if "error" in response and response["error"]["code"] != \ WorkOrderStatus.PENDING: sys.exit(1) # Create receipt wo_receipt = WorkOrderReceiptJRPCClientImpl(config) if show_receipt: jrpc_req_id += 1 _create_work_order_receipt(wo_receipt, wo_params, client_private_key, jrpc_req_id) # Retrieve work order result jrpc_req_id += 1 res = work_order.work_order_get_result(wo_params.get_work_order_id(), jrpc_req_id) logger.info("Work order get result : {}\n ".format( json.dumps(res, indent=4))) # Check if result field is present in work order response if "result" in res: # Verify work order response signature if _verify_wo_res_signature(res, worker_obj.verification_key) is False: logger.error("Work order response signature verification Failed") sys.exit(1) # Decrypt work order response if show_decrypted_output: decrypted_res = crypto_utility.decrypted_response( res, session_key, session_iv) logger.info("\nDecrypted response:\n {}".format(decrypted_res)) else: logger.error("\n Work order get result failed {}\n".format(res)) sys.exit(1) if show_receipt: # Retrieve receipt jrpc_req_id += 1 retrieve_wo_receipt \ = _retrieve_work_order_receipt(wo_receipt, wo_params, jrpc_req_id) # Verify receipt signature if _verify_receipt_signature(retrieve_wo_receipt) is False: logger.error("Receipt signature verification Failed") sys.exit(1)
def storeResultBlockchain( replymessage, worker_obj, session_key, session_iv, input, ): if replymessage: logging.info('Work order get result :') logging.info(replymessage) # Decrypt the result in_data = input['inData'] work_order_id = input['workOrder_id'] worker_id = input['worker_id'] workload_id = input['workload_id'].encode('UTF-8').hex() requester_id = input['requester_id'].encode('UTF-8').hex() if 'result' in replymessage: logging.info('inside if block') sig_obj = signature.ClientSignature() status = sig_obj.verify_signature(replymessage, worker_obj.verification_key) logging.info(status) try: if status == SignatureStatus.PASSED: logging.info('Signature verification Successful') decrypted_res = \ utility.decrypted_response(replymessage, session_key, session_iv) print('==============================================') print(decrypted_res) logging.info(type(decrypted_res)) responseToBeStoredOnBC = [] arr = ['Temperature', 'Humidity', 'Shock_alert', 'Tamper_alert'] for i in range(len(decrypted_res)): entry = decrypted_res[i] logging.info(entry) logging.info('Type of entry object') logging.info(type(entry)) logging.info(type(entry.get('data'))) newData = entry.get('data') if in_data[i].get('shock_alert') is True: shockAlert = 0 newData = newData + ' 0' else: shockAlert = 1 newData = newData + ' 1' if in_data[i].get('tamper_alert') is True: tamperAlert = 0 newData = newData + ' 0' else: tamperAlert = 1 newData = newData + ' 1' listData = newData.split(' ') for j in range(len(listData)): if listData[j] == '0': # Details sent from client -as per requirement. responseEntry1 = { 'Shipment ID': 'Wip-Ship_0085', 'Beacon ID': 'da21437ea06', 'Gateway ID': 'C030011837-0085', 'Alert Type': arr[j], 'Alert Value': '1', 'Alert Location': 'Electronic City', 'Alert Start(UTC)': '13012020,10:37AM', 'Alert End(UTC)': ' ', 'Object ID': 'Carton-2', 'Object Type': 'Carton', 'Pallet ID': 'WS-085-PL-1', } responseToBeStoredOnBC.append(responseEntry1) logging.info('=====================================') logging.info(responseToBeStoredOnBC) responseFromBlockchainCall = \ submitWorkOrder(work_order_id, worker_id, requester_id, in_data, str(responseToBeStoredOnBC)) return json.dumps(decrypted_res) if show_decrypted_output: logging.info(''' Decrypted response: {}'''.format(decrypted_res)) return decrypted_res else: logging.info('Signature verification Failed') sys.exit(1) except Exception as e: print(e) logging.info('ERROR: Failed to decrypt response') sys.exit(1) else: return 'Could not decrypt the respose.Response in undecrypted format'
def Main(args=None): ParseCommandLine(args) config["Logging"] = { "LogFile": "__screen__", "LogLevel": "INFO" } plogger.setup_loggers(config.get("Logging", {})) sys.stdout = plogger.stream_to_logger( logging.getLogger("STDOUT"), logging.DEBUG) sys.stderr = plogger.stream_to_logger( logging.getLogger("STDERR"), logging.WARN) logger.info("***************** TRUSTED COMPUTE FRAMEWORK (TCF)" + " *****************") global direct_jrpc direct_jrpc = AvalonDirectClient(config_file=None, config=config) global address if mode == "registry" and address: logger.error("\n Worker registry contract address is unsupported \n") sys.exit(-1) # Connect to registry list and retrieve registry global uri if not uri and mode == "listing": registry_list_instance = direct_jrpc.get_worker_registry_list_instance( ) # Lookup returns tuple, first element is number of registries and # second is element is lookup tag and # third is list of organization ids. registry_count, lookup_tag, registry_list = \ registry_list_instance.registry_lookup() logger.info("\n Registry lookup response: registry count: {} " + "lookup tag: {} registry list: {}\n".format( registry_count, lookup_tag, registry_list)) if (registry_count == 0): logger.error("No registries found") sys.exit(1) # Retrieve the fist registry details. registry_retrieve_result = registry_list_instance.registry_retrieve( registry_list[0]) logger.info("\n Registry retrieve response: {}\n".format( registry_retrieve_result )) config["tcf"]["json_rpc_uri"] = registry_retrieve_result[0] # Prepare worker req_id = 31 global worker_id if not worker_id: worker_registry_instance = direct_jrpc.get_worker_registry_instance() worker_lookup_result = worker_registry_instance.worker_lookup( worker_type=WorkerType.TEE_SGX, id=req_id ) logger.info("\n Worker lookup response: {}\n".format( json.dumps(worker_lookup_result, indent=4) )) if "result" in worker_lookup_result and \ "ids" in worker_lookup_result["result"].keys(): if worker_lookup_result["result"]["totalCount"] != 0: worker_id = worker_lookup_result["result"]["ids"][0] else: logger.error("ERROR: No workers found") sys.exit(1) else: logger.error("ERROR: Failed to lookup worker") sys.exit(1) req_id += 1 worker_retrieve_result = worker_registry_instance.worker_retrieve( worker_id, req_id ) logger.info("\n Worker retrieve response: {}\n".format( json.dumps(worker_retrieve_result, indent=4) )) if "error" in worker_retrieve_result: logger.error("Unable to retrieve worker details\n") sys.exit(1) # Initializing Worker Object worker_obj = worker_details.SGXWorkerDetails() worker_obj.load_worker(worker_retrieve_result) logger.info("**********Worker details Updated with Worker ID" + "*********\n%s\n", worker_id) # Convert workloadId to hex global workload_id workload_id = workload_id.encode("UTF-8").hex() work_order_id = secrets.token_hex(32) requester_id = secrets.token_hex(32) session_iv = utility.generate_iv() session_key = utility.generate_key() requester_nonce = secrets.token_hex(16) # Create work order wo_params = WorkOrderParams( work_order_id, worker_id, workload_id, requester_id, session_key, session_iv, requester_nonce, result_uri=" ", notify_uri=" ", worker_encryption_key=worker_obj.encryption_key, data_encryption_algorithm="AES-GCM-256" ) # Add worker input data global in_data for value in in_data: wo_params.add_in_data(value) # Encrypt work order request hash wo_params.add_encrypted_request_hash() private_key = utility.generate_signing_keys() if requester_signature: # Add requester signature and requester verifying_key if wo_params.add_requester_signature(private_key) is False: logger.info("Work order request signing failed") exit(1) # Submit work order logger.info("Work order submit request : %s, \n \n ", wo_params.to_jrpc_string(req_id)) work_order_instance = direct_jrpc.get_work_order_instance() req_id += 1 response = work_order_instance.work_order_submit( wo_params.get_work_order_id(), wo_params.get_worker_id(), wo_params.get_requester_id(), wo_params.to_string(), id=req_id ) logger.info("Work order submit response : {}\n ".format( json.dumps(response, indent=4) )) if "error" in response and response["error"]["code"] != \ WorkOrderStatus.PENDING: sys.exit(1) wo_receipt_instance = direct_jrpc.get_work_order_receipt_instance() # Create receipt if show_receipt: req_id += 1 # Create work order receipt object using WorkOrderReceiptRequest class wo_request = json.loads(wo_params.to_jrpc_string(req_id)) wo_receipt_obj = WorkOrderReceiptRequest() wo_create_receipt = wo_receipt_obj.create_receipt( wo_request, ReceiptCreateStatus.PENDING.value, private_key ) logger.info("Work order create receipt request : {} \n \n ".format( json.dumps(wo_create_receipt, indent=4) )) # Submit work order create receipt jrpc request wo_receipt_resp = wo_receipt_instance.work_order_receipt_create( wo_create_receipt["workOrderId"], wo_create_receipt["workerServiceId"], wo_create_receipt["workerId"], wo_create_receipt["requesterId"], wo_create_receipt["receiptCreateStatus"], wo_create_receipt["workOrderRequestHash"], wo_create_receipt["requesterGeneratedNonce"], wo_create_receipt["requesterSignature"], wo_create_receipt["signatureRules"], wo_create_receipt["receiptVerificationKey"], req_id ) logger.info("Work order create receipt response : {} \n \n ".format( wo_receipt_resp )) # Retrieve result req_id += 1 res = work_order_instance.work_order_get_result( work_order_id, req_id ) logger.info("Work order get result : {}\n ".format( json.dumps(res, indent=4) )) sig_obj = signature.ClientSignature() if "result" in res: status = sig_obj.verify_signature(res, worker_obj.verification_key) try: if status == SignatureStatus.PASSED: logger.info("Signature verification Successful") decrypted_res = utility.decrypted_response( res, session_key, session_iv) if show_decrypted_output: logger.info("\nDecrypted response:\n {}" .format(decrypted_res)) else: logger.error("Signature verification Failed") sys.exit(1) except Exception as err: logger.error("ERROR: Failed to decrypt response: %s", str(err)) sys.exit(1) else: logger.error("\n Work order get result failed {}\n".format( res )) sys.exit(1) if show_receipt: # Retrieve receipt req_id += 1 receipt_res = wo_receipt_instance.work_order_receipt_retrieve( work_order_id, id=req_id ) logger.info("\n Retrieve receipt response:\n {}".format( json.dumps(receipt_res, indent=4) )) # Retrieve last update to receipt by passing 0xFFFFFFFF req_id += 1 receipt_update_retrieve = \ wo_receipt_instance.work_order_receipt_update_retrieve( work_order_id, None, 1 << 32, id=req_id) logger.info("\n Last update to receipt receipt is:\n {}".format( json.dumps(receipt_update_retrieve, indent=4) )) status = sig_obj.verify_update_receipt_signature( receipt_update_retrieve) if status == SignatureStatus.PASSED: logger.info( "Work order receipt retrieve signature verification " + "successful") else: logger.info( "Work order receipt retrieve signature verification failed!!") sys.exit(1)