KRzA/5-rsa/alice.rb

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1.4 KiB
Ruby
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#!/usr/bin/ruby
#####################################
#
# Marcin Woźniak
# s434812
#
#####################################
require 'socket'
load 'modul1.rb'
sock = TCPSocket.new("localhost",3000)
puts sock.gets
starting = Process.clock_gettime(Process::CLOCK_MONOTONIC)
# Generate public and priv key
def generateKeys
p = 0
q = 0
pThread = Thread.new {
while true
#p = random_gen_Zn(20,0)
p = generate(1024)
if primalityTest(p)
break
end
end
}
qThread = Thread.new {
while true
#q = random_gen_Zn(20,0)
q = generate(1024)
if primalityTest(q)
break
end
end
}
pThread.join
qThread.join
n = p * q
phi = (p-1)*(q-1)
while true
e = SecureRandom.random_number(0..phi)
d = reciprocal_Phi_p(e,phi)
if nwd(e,phi) == 1 && d > 1
return [n,e,d]
end
end
end
keys = generateKeys
n = keys[0]
e = keys[1]
d = keys[2]
puts "d: " + d.inspect
pubKey = [n,e]
privKey = [n,d]
puts
puts "privKey " + privKey.inspect
puts "pubKey " + pubKey.inspect
puts
# Sending pubKey
sock.puts pubKey[0]
sock.puts pubKey[1]
# Getting cipher
cipher = sock.gets.gsub(/\n$/, '')
message = betterExponentiation(cipher.to_i,d.to_i,n.to_i)
puts "Cipher: " + cipher.inspect
puts "Message: " + message.inspect
# Close socket
sock.close
ending = Process.clock_gettime(Process::CLOCK_MONOTONIC)
elapsed = ending - starting
puts "Time " + elapsed.inspect