def decrypt_data(self, cipher: DesCipher, key: bitarray) -> None:
field: dataclasses.Field
for field in dataclasses.fields(self):
setattr(self, field.name,
cipher.decrypt(getattr(self, field.name), key))
def __init__(self, cipher: DesCipher, key: bitarray,
ticket_granting_ticket: TicketGrantingTicket, encryption_key: bitarray) -> None:
self.encrypted_ticket_granting_ticket = ticket_granting_ticket
self.encrypted_ticket_granting_ticket.encrypt_data(cipher, key)
self.encrypted_encryption_key = cipher.encrypt(encryption_key, key)
def __init__(self, cipher: DesCipher, key: bitarray, ticket_granting_service: TicketGrantingService,
encryption_key: bitarray) -> None:
self.encrypted_ticket_granting_service = ticket_granting_service
self.encrypted_ticket_granting_service.encrypt_data(cipher, key)
self.encrypted_encryption_key = cipher.encrypt(encryption_key, key)
def __init__(self, cipher: DesCipher, key: bitarray, timestamp: int) -> None:
self.encrypted_timestamp = cipher.encrypt(int2ba(timestamp), key)
def launch(cipher: DesCipher, client_id: int, client_key: bitarray,
requested_service_server_id: int, tgs_id: int, as_tgs_key: bitarray,
c_tgs_key: bitarray, as_valid_period_seconds: int,
tgs_ss_key: bitarray, c_ss_key: bitarray,
tgs_valid_period_seconds: int) -> None:
client = Client(cipher, client_id, client_key)
kb_server = KerberosServer(cipher, tgs_id, as_tgs_key, c_tgs_key,
{client_id: client_key},
as_valid_period_seconds, tgs_ss_key, c_ss_key,
tgs_valid_period_seconds)
service_server = Server(cipher, c_ss_key, tgs_ss_key)
authentication_server_request = client.make_request_authentication_server()
authentication_server_response = kb_server.send_response_authentication_server(
authentication_server_request)
if authentication_server_response is None:
return None
ticket_granting_server_request = client.make_request_ticket_granting_server(
authentication_server_response, requested_service_server_id)
ticket_granting_server_response = kb_server.send_response_ticket_granting_server(
ticket_granting_server_request)
if ticket_granting_server_response is None:
return None
service_server_request = client.make_request_service_server(
ticket_granting_server_response)
service_server.send_response(service_server_request)
launch(DesCipher(DesCipher.generate_parameters()), 42, bitarray(56), 101, 56,
bitarray(56), bitarray(56), 15, bitarray(56), bitarray(56), 15)