class Zardus(Player, SecretPlayer):
def __init__(self):
self.host = Host(ZARDUS_ID)
self.host.add_connection(HACKER_ID)
self.host.add_connection(ADAMD_ID)
self.host.delay = 0
self.host.start()
self.qubits = []
self.q_ids = []
self.bases = []
def bet(self, gameid, referee):
qubit = self.qubits[gameid]
if referee == 1:
qubit.H()
res = qubit.measure(non_destructive=True)
qubit.H()
else:
res = qubit.measure(non_destructive=True)
self.bases.append(referee)
return res
def chat(self, host, adamd_id, qubits_n):
q_i = 0
msg_buff = []
secret_key = []
for q_i, qubit in enumerate(self.qubits):
self.host.send_qubit(adamd_id, qubit, await_ack=True)
message = self.get_next_classical_message(adamd_id, msg_buff, q_i)
print(f"{host.host_id} receives from {adamd_id}: {message}")
if message == f"{q_i}:{self.bases[q_i]}":
if self.bases[q_i] == 1:
qubit.H()
res = qubit.measure(non_destructive=True)
qubit.H()
else:
res = qubit.measure(non_destructive=True)
secret_key.append(res)
msg = f"{q_i}:0"
else:
msg = f"{q_i}:1"
self.host.send_classical(adamd_id, msg, await_ack=True)
nonce_msg = self.get_next_classical_message(adamd_id, msg_buff, -1)
ciphertext_msg = self.get_next_classical_message(
adamd_id, msg_buff, -2)
print(f"{host.host_id} receives from {adamd_id}: {nonce_msg}")
print(f"{host.host_id} receives from {adamd_id}: {ciphertext_msg}")
def main():
network = Network.get_instance()
nodes = ["Alice", "Bob", "Eve", "Dean"]
network.start(nodes)
network.delay = 0.1
host_alice = Host('Alice')
host_alice.add_connection('Bob')
host_alice.start()
host_bob = Host('Bob')
host_bob.add_connection('Alice')
host_bob.add_connection('Eve')
host_bob.start()
host_eve = Host('Eve')
host_eve.add_connection('Bob')
host_eve.add_connection('Dean')
host_eve.start()
host_dean = Host('Dean')
host_dean.add_connection('Eve')
host_dean.start()
network.add_host(host_alice)
network.add_host(host_bob)
network.add_host(host_eve)
network.add_host(host_dean)
# Create a qubit owned by Alice
q = Qubit(host_alice)
# Put the qubit in the excited state
q.X()
# Send the qubit and await an ACK from Dean
q_id = host_alice.send_qubit('Dean', q, no_ack=True)
# Get the qubit on Dean's side from Alice
q_rec = host_dean.get_data_qubit('Alice', q_id)
# Ensure the qubit arrived and then measure and print the results.
if q_rec is not None:
m = q_rec.measure()
print("Results of the measurements for q_id are ", str(m))
else:
print('q_rec is none')
network.stop(True)
exit()
