def connect_to(host, port):
# create client public key
client = Connection(create_keys())
# create and assign client handler
proto_handler = tr.socket()
client.handler = proto_handler
# connect to server
tr.connect_to(proto_handler, host, port)
# receive server public key
server_key_string = tr.recv(proto_handler).encode('utf-8')
server_key = get_key_from_string(server_key_string)
client.partner_key = server_key
# send to server client's public key
key_string = client.pub_key.exportKey("PEM").decode('utf-8')
tr.send(proto_handler, key_string)
return client
def start_sever(host, port):
# create public key
server = Connection(create_keys())
# create and assign server handler
server_handler = tr.server_socket(host, port)
server.handler = server_handler
# listening for connections
tr.wait_for_connections(server_handler)
# send public key
key_string = server.pub_key.exportKey("PEM").decode('utf-8')
tr.send(server_handler, key_string)
# receive client pub key
client_key_string = tr.recv(server_handler).encode('utf-8')
client_key = get_key_from_string(client_key_string)
server.partner_key = client_key
return server
def send(mess, conn):
# encript message with received public key
encripted = encrypt(mess, conn.partner_key)
# send message encoded
tr.send(conn.handler, encripted)
import p1_transfer as pv
import sys
if __name__ == "__main__":
server_handler = pv.server_socket("0.0.0.0", 1919)
# listening for connections
pv.wait_for_connections(server_handler)
val = 'do the lab'
pv.send(server_handler, val)
val = pv.recv(server_handler)
print(val)
# val += ' - no, you!'
# pv.send(server_handler, val)
# val_new = pv.recv(server_handler)
import p1_transfer as pv
import sys
if __name__ == "__main__":
proto_handler = pv.socket()
pv.connect_to(proto_handler, '0.0.0.0', 1919)
val = pv.recv(proto_handler)
val += ' - no, you!'
pv.send(proto_handler, val)
# val_new = pv.recv(proto_handler)
# pv.send(proto_handler, val_new + ' - nope')
# pv.close(proto_handler)