def request_authentication(username, sock, sip, sport):
a = util.get_random_number()
A = util.get_public_ephemeral(a)
msg = encrypt_message(username, A)
#print("A: %s, a: %s, msg: %s") %(A, a, msg)
# start a thread that only handles receipt of messages
#start_new_thread(receiveMessages, (sock,))
send_msg_to_server(sock, msg, sip, sport)
'''
def request_authentication(username, sock, sip, sport, password):
a = util.get_random_number()
A = util.get_public_ephemeral(a)
message = {}
message.update({'username': username})
message.update({'A': A})
try:
msg = util.encrypt_message_PSK(message, SERVER_KEY)
except Exception as e:
print "An error occured while encrypting the text message - ", message, "! %s" %e
try:
#start_new_thread(receiveMessages, (sock,))
sock.connect((sip, int(sport)))
send_message(sock, msg, sip, sport)
progress[username] = 1
t1 = Thread(target=receiveMessages, args=(sock, username, sip, sport, A, password, a))
t1.start()
t1.join()
if(EXIT_IN_ERROR):
sys.exit()
except ServerConnectionBroken:
print 'Connection broken !!'
sys.exit()
