#!/usr/bin/ruby
#
######################################
#
# Marcin Woźniak
# s434812
#
#####################################

require 'socket'

load 'modul1.rb'


while true

  # Reading a message
  #message = File.read("message.txt")
  message="823789137891789217389173981378913789137289"

  # Turning on server
  sock = TCPServer.new(3000)
  client = sock.accept

  #Greetings
  client.puts "Hej Alice"

  # Receiving public key
  n = client.gets.gsub(/\n$/, '')
  e = client.gets.gsub(/\n$/, '')
  pubKeyAlice=[n,e]

  puts
  puts "pubKey Alice: " + pubKeyAlice.inspect
  puts

  # Solving a cipher
  cipher = betterExponentiation(message.to_i,e.to_i,n.to_i)

  puts "Cipher: " + cipher.inspect
  puts "Message " + message.inspect

  # Sending cipher to Alice
  client.puts cipher

  # Close socket
  sock.close
end