def create_aut_env(self): # Spaeter on Button Click z.B.
''' this method creates the simulation'''
api_log_path = os.path.join(os.path.dirname(__file__), "../logs/api.log")
api.show_logging(logging.INFO, api_log_path, True)
my_env = api.create_environment(2500)
ecu_spec = SimpleECUSpec([], 200, 200)
ecu_group_1 = api.set_ecus(my_env, 10, 'SecureECU', ecu_spec)
ecu_spec = SimpleECUSpec(['SEC 1'], 200, 200)
ecu_spec.set_ecu_setting('t_ecu_auth_trigger_process', 100)
ecu_spec.set_ecu_setting('t_ecu_auth_trigger_intervall', 1000)
sec_mod_group = api.set_ecus(my_env, 1, 'SecLwAuthSecurityModule', ecu_spec)
bus_spec = SimpleBusSpec(['CAN_0'])
bus_group = api.set_busses(my_env, 1, 'StdCANBus', bus_spec)
api.connect_bus_by_obj(my_env, 'CAN_0', ecu_group_1 + sec_mod_group)
api.register_ecu_groups_to_secmod(my_env, sec_mod_group[0].ecu_id, [ecu_group_1])
certeros = api.create_cert_manager()
for ecu in APICore()._ecu_list_from_groups([[ecu_group_1]]): # UNINTENDED HACK
api.generate_valid_ecu_cert_cfg(certeros, ecu.ecu_id, CAEnum.CA_L313, 'SEC 1', 0, float('inf'))
api.generate_valid_sec_mod_cert_cfg(certeros, 'SEC 1', CAEnum.CA_L313, 0, float('inf'))
api.apply_certification(my_env, certeros)
stream_1 = MessageStream(my_env.get_env(), 'SecureECU_0', ['SecureECU_1', 'SecureECU_4', 'SecureECU_5'], 13, float('inf'), 0, float('inf'))
stream_2 = MessageStream(my_env.get_env(), 'SecureECU_1', ['SecureECU_3', 'SecureECU_2', 'SecureECU_5'], 12, float('inf'), 0, float('inf'))
stream_3 = MessageStream(my_env.get_env(), 'SecureECU_0', ['SecureECU_4', 'SecureECU_1', 'SecureECU_5'], 222, float('inf'), 0, float('inf'))
stream_4 = MessageStream(my_env.get_env(), 'SecureECU_3', ['SecureECU_0', 'SecureECU_1', 'SecureECU_5'], 11, float('inf'), 0, float('inf'))
stream_5 = MessageStream(my_env.get_env(), 'SecureECU_4', ['SecureECU_2', 'SecureECU_1', 'SecureECU_3'], 500, float('inf'), 0, float('inf'))
api.add_allowed_stream(my_env, 'SEC 1', stream_1)
api.add_allowed_stream(my_env, 'SEC 1', stream_2)
api.add_allowed_stream(my_env, 'SEC 1', stream_3)
api.add_allowed_stream(my_env, 'SEC 1', stream_4)
api.add_allowed_stream(my_env, 'SEC 1', stream_5)
t_set = TimingFunctionSet()
ecu_func_set = StdSecurLwSecModTimingFunctions(main_library_tag='CyaSSL')
t_set.set_mapping_from_function_set('SEC 1', ecu_func_set)
api.apply_timing_functions_set(my_env, 'SEC 1', t_set)
t_set2 = TimingFunctionSet()
ecu_func_set = StdSecurECUTimingFunctions(main_library_tag='CyaSSL')
for ecu in APICore()._ecu_list_from_groups([[ecu_group_1]]): # UNINTENDED HACK
t_set2.set_mapping_from_function_set(ecu.ecu_id, ecu_func_set)
api.apply_timing_functions_set(my_env, ecu.ecu_id, t_set2)
api.connect_monitor(my_env, self.monitor, 50)
api.build_simulation(my_env)
''' start this in a new thread'''
sim = SimulationThread(self, my_env)
sim.start()
# Connect ECUs and Gateways to the busses # Connect CAN 0 via GW1 to CAN 1 // Connect CAN 1 via GW 2 to CAN 2 api.connect_bus_by_obj(sim_env, 'CAN_0', ecu_group_1 + gateway_group_1) api.connect_bus_by_obj(sim_env, 'CAN_1', gateway_group_1 + ecu_group_3 + gateway_group_2) api.connect_bus_by_obj(sim_env, 'CAN_2', ecu_group_4 + gateway_group_2) #=========================================================================== # Monitoring and Export of Results #=========================================================================== # create a Monitor and connect it to the environment monitor = Monitor() monitor.set_sample_time(0.48) api.connect_monitor(sim_env, monitor, 0.5) # create a Result Reader that is used to export the # simulation results to the GUI or to a file result_reader = ResultReader() save_path_cp = os.path.join(os.path.dirname(__file__), "logs/checkpoints.csv") save_path_buf = os.path.join(os.path.dirname(__file__), "logs/buffer.csv") save_path_can = os.path.join(os.path.dirname(__file__), "logs/can_bus.csv") # enable certain handlers to define which export has to be made # a result reader receives the interpreter to be used and the InterpreterOptions enum # defining how the export should be performed result_reader.enable_handler(BufferInterpreter, [InterpreterOptions.CONNECTION, InterpreterOptions.CSV_FILE], save_path_buf) result_reader.enable_handler(CheckpointInterpreter, [ InterpreterOptions.TIMING_FILE], save_path_cp) result_reader.enable_handler(EventlineInterpreter, [InterpreterOptions.CSV_FILE], save_path_cp) # CSV Live Tracking result_reader.enable_handler(CanBusInterpreter, [InterpreterOptions.CSV_MSG_FILE, InterpreterOptions.CSV_DR_FILE], save_path_can)
ecu_func_set = StdSecurECUTimingFunctions(main_library_tag='CyaSSL')
ecu_func_set.library_tags['t_adv_msg_secmodcert_enc'] = 'Crypto_Lib_SW'
# SET ALL GATEWAY FILTERS, Bus dependent from the streams
api.autoset_gateway_filters(my_env, 'SEC 1')
for ecu in APICore()._ecu_list_from_groups([[ecu_group_1 + ecu_group_3 + ecu_group_4]]): # UNINTENDED HACK
t_set2.set_mapping_from_function_set(ecu.ecu_id, ecu_func_set)
api.apply_timing_functions_set(my_env, ecu.ecu_id, t_set2)
# Save environment
# filepath = os.path.join(os.path.dirname(__file__), "environments/1.env")
# api.save_env_spec(my_env, filepath)
# my_env = api.load_env_spec(filepath)
# Monitor Test (optional)
my_moni = Monitor()
api.connect_monitor(my_env, my_moni, 5) # Connect monitor to environment
api.build_simulation(my_env)
api.run_simulation(my_env)
# Define streams: Attention this definition of MessageStream objects has to be conform with the
# definition of the sending_actions of the ecus. See above
# Note: the disclosure delay defines the delay with which the message can be verified. Defined in
# sending intervals
stream_1 = MessageStream('RegularSecureECU_15', ['TEST ECU 9', 'TEST ECU 10'], can_registration.CAN_TEST_MSG, start_time=160, sending_interval=0.1, disclosure_delay=1)
stream_2 = MessageStream('TEST ECU 11', ['TEST ECU 9'], can_registration.CAN_TEST_MSG_2, start_time=150, sending_interval=0.2, disclosure_delay=1)
api.set_stream(sim_env, stream_1)
api.set_stream(sim_env, stream_2)
#===========================================================================
# Monitoring and Export of Results
#===========================================================================
# Create a Monitor and Reader
my_moni = Monitor()
my_moni.set_sample_time(0.48)
api.connect_monitor(sim_env, my_moni, 0.5) # Connect monitor to environment
my_reader = ResultReader()
# enable handlers
save_path_cp = os.path.join(os.path.dirname(__file__), "logs/checkpoints.csv")
save_path_cp_2 = os.path.join(os.path.dirname(__file__), "logs/checkpoints2.csv")
save_path_buf = os.path.join(os.path.dirname(__file__), "logs/buffer.csv")
save_path_can = os.path.join(os.path.dirname(__file__), "logs/can_bus.csv")
my_reader.enable_handler(BufferInterpreter, [InterpreterOptions.CONNECTION, InterpreterOptions.CSV_FILE], save_path_buf) # If connected to GUI this step is done automatically by GUI
my_reader.enable_handler(CheckpointInterpreter, [ InterpreterOptions.TIMING_FILE], save_path_cp)
my_reader.enable_handler(EventlineInterpreter, [InterpreterOptions.CSV_FILE], save_path_cp_2) # CSV Live Tracking
my_reader.enable_handler(CanBusInterpreter, [InterpreterOptions.CSV_FILE], save_path_can)
api.connect_result_reader(sim_env, my_moni, my_reader) # Connect result reader
# define streams
stream_1 = MessageStream('RegularSecureECU_15', ['TEST ECU 9', 'TEST ECU 10'], can_registration.CAN_TEST_MSG)
stream_2 = MessageStream('TEST ECU 11', ['TEST ECU 10'], can_registration.CAN_TEST_MSG_2)
api.set_stream(sim_env, stream_1)
api.set_stream(sim_env, stream_2)
#===========================================================================
# Monitoring and Export of Results
#===========================================================================
# Create a Monitor and Reader
my_moni = Monitor()
my_moni.set_sample_time(0.48)
api.connect_monitor(sim_env, my_moni, 0.5) # Connect monitor to environment
my_reader = ResultReader()
# enable handlers
save_path_cp = os.path.join(os.path.dirname(__file__), "logs/checkpoints.csv")
save_path_cp_2 = os.path.join(os.path.dirname(__file__), "logs/checkpoints2.csv")
save_path_buf = os.path.join(os.path.dirname(__file__), "logs/buffer.csv")
save_path_can = os.path.join(os.path.dirname(__file__), "logs/can_bus.csv")
my_reader.enable_handler(BufferInterpreter, [InterpreterOptions.CONNECTION, InterpreterOptions.CSV_FILE], save_path_buf) # If connected to GUI this step is done automatically by GUI
my_reader.enable_handler(CheckpointInterpreter, [ InterpreterOptions.TIMING_FILE], save_path_cp)
my_reader.enable_handler(EventlineInterpreter, [InterpreterOptions.CSV_FILE], save_path_cp_2) # CSV Live Tracking
my_reader.enable_handler(CanBusInterpreter, [InterpreterOptions.CSV_FILE], save_path_can)
api.connect_result_reader(sim_env, my_moni, my_reader) # Connect result reader
#===============================================================================
api.connect_bus_by_obj(sim_env, 'CAN_2', ecu_group_4 + gateway_group_2) #=========================================================================== # Monitoring and Export of Results # # Structure: # environment connected to monitor object # monitor object connected to ResultReader object # ResultReader publishes data to the Interpreters # Interpreters pass the data to connected GUI and/or to Files #=========================================================================== # create a Monitor and connect it to the environment monitor = Monitor() monitor.set_sample_time(0.48) api.connect_monitor(sim_env, monitor, 0.5) # create a Result Reader that is used to export the # simulation results to the GUI or to a file result_reader = ResultReader() save_path_cp = os.path.join(os.path.dirname(__file__), "logs/checkpoints.csv") save_path_buf = os.path.join(os.path.dirname(__file__), "logs/buffer.csv") save_path_can = os.path.join(os.path.dirname(__file__), "logs/can_bus.csv") # enable certain handlers to define which export has to be made # a result reader receives the interpreter to be used and the InterpreterOptions enum # defining how the export should be performed result_reader.enable_handler(BufferInterpreter, [InterpreterOptions.CONNECTION, InterpreterOptions.CSV_FILE], save_path_buf) result_reader.enable_handler(CheckpointInterpreter, [ InterpreterOptions.TIMING_FILE], save_path_cp) result_reader.enable_handler(EventlineInterpreter, [InterpreterOptions.CSV_FILE], save_path_cp) # CSV Live Tracking result_reader.enable_handler(CanBusInterpreter, [InterpreterOptions.CSV_MSG_FILE, InterpreterOptions.CSV_DR_FILE], save_path_can)
def prepare_configuration(self, simpy_env, life_time):
''' this method prepares the configuration on the side of the
ECU simulation. It sets up the defined environment by mapping
the ECU Ids as they are defined in the battery management system
on the ECUs and the defined specs. So the constellation used is
implemented here.
Input: simpy_env simpy.Environment environment used in the battery management system
life_time float life time of the simulation
Output: -
'''
# lifetime
life_time = 50000
# logging
# api_log_path = os.path.join(os.path.dirname(__file__), "../logs/api.log")
# api.show_logging(logging.INFO, api_log_path, True)
# create environment
sim_env = api.create_environment(life_time)
sim_env.set_env(simpy_env)
ecu_list = []
# generate a ecu from the ECU specs setting the adapter
for ecu_id in self.available_can_adapters():
# logging.info("ECU ID %s: " % ecu_id)
# define individual ECU Spec
ecu_spec = copy.deepcopy(self._ecu_spec)
ecu_class_name = self._ecu_class_name
if ecu_id in self._individual_spec:
ecu_spec = self._individual_spec[ecu_id][0]
ecu_class_name = self._individual_spec[ecu_id][1]
ecu_spec.ecu_id_list = [str(ecu_id)]
# create ecu
ecu = api.set_ecus(sim_env, 1, ecu_class_name, ecu_spec)[0]
ecu_list += [ecu]
# connect ecu to adapter
ecu.connect_adapter(self.can_bus_adapter[ecu_id])
# add security module
# create ECU specification
ecu_spec = SimpleECUSpec(['SEC 1'], 200000, 200000) # 200 KB
ecu_spec.set_ecu_setting('t_ecu_auth_trigger_process', 0)
ecu_spec.set_ecu_setting('t_ecu_auth_trigger_intervall', 80000)
ecu_spec.set_apply_jitter(0.0001)
sec_mod_group = api.set_ecus(sim_env, 1, 'SecLwAuthSecurityModule', ecu_spec)
security_module = sec_mod_group[0]
# connect to one bus
# create the bus specifications
bus_spec = SimpleBusSpec(['CAN_0'])
api.set_busses(sim_env, 1, 'StdCANBus', bus_spec)
api.connect_bus_by_obj(sim_env, 'CAN_0', ecu_list + sec_mod_group)
# security constellation
all_ecu_groups = [ecu_list]
api.register_ecu_groups_to_secmod(sim_env, sec_mod_group[0].ecu_id, all_ecu_groups)
certificate_manager = api.create_cert_manager()
all_created_ecus = api.ecu_list_from_groups([all_ecu_groups])
ecu_ids = [str(ecu.ecu_id) for ecu in all_created_ecus]
for ecu_id in ecu_ids:
api.generate_valid_ecu_cert_cfg(certificate_manager, ecu_id, CAEnum.CA_L313, security_module.ecu_id, 0, float('inf'))
api.generate_valid_sec_mod_cert_cfg(certificate_manager, security_module.ecu_id, CAEnum.CA_L313, ecu_ids, 0, float('inf'))
api.apply_certification(sim_env, certificate_manager)
# define allowed streams -------------------------------------------------------------- TODO very IMPORTANT
for broadcast_stream_id in [0x0080, 0x0081, 0x0082, 0x0083, 0x0012, 0x0013, 0x0020, 0x00A0, 0x00A1 ]:
for ecu_id in ecu_ids:
lst = copy.deepcopy(ecu_ids)
lst.remove(ecu_id)
stream = MessageStream(ecu_id, lst, broadcast_stream_id, float('inf'), 0, float('inf'))
api.add_allowed_stream(sim_env, security_module.ecu_id, stream)
# -------------------------------------------------------------- TODO very IMPORTANT
# set gateways
api.autoset_gateway_filters(sim_env, sec_mod_group[0].ecu_id)
# set timing functions
function_set = TimingFunctionSet()
ecu_func_set = StdSecurLwSecModTimingFunctions(main_library_tag='CyaSSL')
ecu_func_set.library_tags['t_ecu_auth_reg_msg_validate_cert'] = 'Crypto_Lib_SW'
function_set.set_mapping_from_function_set(security_module.ecu_id, ecu_func_set)
api.apply_timing_functions_set(sim_env, security_module.ecu_id, function_set)
function_set_2 = TimingFunctionSet()
ecu_func_set = StdSecurECUTimingFunctions(main_library_tag='CyaSSL')
ecu_func_set.library_tags['t_adv_msg_secmodcert_enc'] = 'Crypto_Lib_SW'
for ecu_id in ecu_ids:
function_set_2.set_mapping_from_function_set(ecu_id, ecu_func_set)
api.apply_timing_functions_set(sim_env, ecu_id, function_set_2)
# add monitor
if self._monitor and self._result_reader:
api.connect_monitor(sim_env, self._monitor, 0.5)
api.connect_result_reader(sim_env, self._monitor, self._result_reader)
# run view if defined
if self._view:
self._view.show(self._result_reader, self._view_options, self.q_application)
# run simulation
api.open_simulation_stop_button(sim_env)
api.build_simulation(sim_env)
api.run_simulation(sim_env)
t_set = TimingFunctionSet()
ecu_func_set = StdSecurLwSecModTimingFunctions(main_library_tag='CyaSSL')
ecu_func_set.library_tags['t_ecu_auth_reg_msg_validate_cert'] = 'Crypto_Lib_SW'
t_set.set_mapping_from_function_set('SEC 1', ecu_func_set)
api.apply_timing_functions_set(my_env, 'SEC 1', t_set)
t_set2 = TimingFunctionSet()
ecu_func_set = StdSecurECUTimingFunctions(main_library_tag='CyaSSL')
ecu_func_set.library_tags['t_adv_msg_secmodcert_enc'] = 'Crypto_Lib_SW'
# SET ALL GATEWAY FILTERS, Bus dependent from the streams
api.autoset_gateway_filters(my_env, 'SEC 1')
for ecu in APICore()._ecu_list_from_groups(
[[ecu_group_1 + ecu_group_3 + ecu_group_4]]): # UNINTENDED HACK
t_set2.set_mapping_from_function_set(ecu.ecu_id, ecu_func_set)
api.apply_timing_functions_set(my_env, ecu.ecu_id, t_set2)
# Save environment
# filepath = os.path.join(os.path.dirname(__file__), "environments/1.env")
# api.save_env_spec(my_env, filepath)
# my_env = api.load_env_spec(filepath)
# Monitor Test (optional)
my_moni = Monitor()
api.connect_monitor(my_env, my_moni, 5) # Connect monitor to environment
api.build_simulation(my_env)
api.run_simulation(my_env)
