``````#!/usr/bin/env python

# Randoms - Copyright 2008 Hal Canary
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the 'Software'), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.

import Tkinter
import os
import base64

def genrandint():
'Generates a random integer between 0 and (2^32)-1'
x = 0
for i in range(4):
x = (x << 8)+ord(os.urandom(1))
return x

def randstring():
'generate a 142-bit password consisting of A-Za-z0-9'
return base64.b64encode(os.urandom(18),'Zz')

def genrand128int():
'Generates a random integer between 0 and (2^128)-1'
x = 0
for i in range(16):
x = (x << 8)+ord(os.urandom(1))
return x

def generaterandletts():
'generate a 131-bit password consisting of a-z'
s = ''
for i in range(28):
x = ''
while x == '' :
y = ord(os.urandom(1)) # 0-255
if y < (256//26*26):
x = chr((y % 26) + 97)
s = s + x
if i%4 == 3:
s = s + ' '
return s

class Application(Tkinter.Frame):
'a window that displays text'
def __init__(self, master=None):
Tkinter.Frame.__init__(self, master)
self.grid()
self.createWidgets()
self.winfo_toplevel().resizable(width=False, height=False)

def createWidgets(self):
self.textBox.grid()
self.textBox.configure(state='disabled')
self.quitButton = Tkinter.Button(self, text="Quit", command=self.quit)
self.quitButton.grid()

self.textBox.configure(state='normal')
self.textBox.insert (pos, string)
self.textBox.configure(state='disabled')

app = Application()
app.master.title('Randomness')