import socket
import DiffieHellman
import nacl.secret
import nacl.utils
from binascii import hexlify
# Initialize Diffie Hellman object so private and public keys are generated.
client = DiffieHellman.D_H()
# Create a TCP/IP socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# Connect the socket to the port where the server is listening
server_address = ('localhost', 5555)
sock.connect(server_address)
print("Connected to %s on port %s" % server_address)
# Send Client's public key to the server so the Diffie hellman key exchange can happen.
# And cast the key over to string so we can send it over the socket.
sock.sendall(str(client.pubKey))
# Receive servers public key so we can generate the final (secret) key.
data = sock.recv(9000)
# Generate the secret key and cast the incoming key to int from str.
client.genKey(int(data))
print("Secret key:", hexlify(client.getKey()))
# Initialize the SALT object and pass in the secret key.
box = nacl.secret.SecretBox(client.getKey())
import socket
from binascii import hexlify
import DiffieHellman
import nacl.secret
import nacl.utils
while True:
# Initialize Diffie Hellman object so private and public keys are generated.
server = DiffieHellman.D_H()
# This string we use to cat with the incoming msg and send to cat'd string back.
echoString = "I have received | "
# Create a TCP/IP socket.
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# Bind the socket to a port
server_address = ('localhost', 5555)
sock.bind(server_address)
# Listen for incoming connections.
sock.listen(1)
# Accepting the incoming traffic on server socket.
connection, client_address = sock.accept()
print('Connection from IP:', client_address)
# Receive clients public key so we can generate the final (secret) key.
client_Pubkey = connection.recv(9000)
# Send our (server) public key.
