crypto.py

import random, hashlib, sys

from collections import defaultdict

try:
	import matplotlib.pyplot as plt
	matlab = True
except:
	print("you will need to install http://matplotlib.org/users/installing.html to display the graph")
	matlab = False

def main():
	init = raw_input("Input initial value: ")
	tries = raw_input("Number of trials? ")

	sys.setrecursionlimit(100000)
	
	out = do_the_thing(init, int(tries))
	print out

	if matlab:
		plot_the_thing(out)

def do_the_thing(seed, count):
	
	# Hash teh value
	m = hashlib.md5()
	m.update(seed)
	hsh = m.digest()	

	# seed a new prando gen
	random.seed(hsh)
	value = random.random()*100

	# print that new value
	#print(value)
	value = int(value)

	# dat base case
	if count <= 0:
		graph = defaultdict(int)
		graph[value] = graph[value] + 1
		return graph

	# recurse
	graph = do_the_thing(hsh, count-1)
	graph[value] = graph[value] + 1
	return graph

def plot_the_thing(thing):
	plt.bar(range(len(thing)),thing.values(), align="center")
	plt.show()

main()