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test_server.py
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test_server.py
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import time, socket, sys
from newTest import primes_inRange, is_prime, gcd, multiplicative_inverse, generate_keypair, encrypt, decrypt
publicB, privateB = generate_keypair()
i = 0
t = 0
print("\nWelcome to Chat Room\n")
print("Initialising....\n")
time.sleep(1)
s = socket.socket()
host = socket.gethostname()
ip = socket.gethostbyname(host)
port = 1234
s.bind((host, port))
print(host, "(", ip, ")\n")
name = input(str("Enter your name: "))
s.listen(1)
print("\nWaiting for incoming connections...\n")
while True:
conn, addr = s.accept()
print("Received connection from ", addr[0], "(", addr[1], ")\n")
s_name = conn.recv(1024)
s_name = s_name.decode()
print(s_name, "has connected to the chat room\nEnter [e] to exit chat room\n")
conn.send(name.encode())
while True:
# first time just send my publicB :
if i == 0:
print("*****")
print(publicB[0])
print("*****")
print(str(publicB[0]))
print("*****")
message = str(publicB[0])
print("*****")
print(message)
print("*****")
print(message.encode())
print("*****")
s.send(message.encode())
i = 1
else:
message = input(str("Me : "))
# Enc
# if message == "[e]":
# message = "Left chat room!"
# conn.send(message.encode())
# print("\n")
# break
message = encrypt(publicA, message)
conn.send(message.encode())
# -----------------------------------------------------------
# recv :
if t == 0:
message = conn.recv(1024)
message = message.decode()
publicA = int(message)
t = 1
else:
message = conn.recv(1024)
message = message.decode()
message = decrypt(privateB, message)
print(s_name, ":", message)