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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:0963e656a45b56e87c82b1b894058e0c0c5d5a3acfd1e2f8850678ef319681b0"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 13: Security in Wireless Systems"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 13.1, Page 424"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Variable declaration\n",
+      "#Two prime numbers\n",
+      "p=5;\n",
+      "q=7;\n",
+      "\n",
+      "#Calculations\n",
+      "n=p*q;\n",
+      "z=(p-1)*(q-1);\n",
+      "e=5\n",
+      "d=29\n",
+      "\n",
+      "#Results\n",
+      "print 'Public keys is (%d, %d)'%(n,e);\n",
+      "print 'Private key is (%d, %d)'%(n,d);\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Public keys is (35, 5)\n",
+        "Private key is (35, 29)\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 13.2, Page 425"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Variable declaration\n",
+      "p=23; #prime number that both parties agreed upon\n",
+      "g=5;# g is primitive mod p\n",
+      "a=6;  #party A choosen number\n",
+      "b=15;  #party B choosen number\n",
+      "\n",
+      "#Calculations&Results\n",
+      "print 'Party A sends to party B as (g**a mod p) = %d'%(g**a%23);\n",
+      "print 'Party B sends to party A as (g**b mod p) = %d'%(g**b%23);\n",
+      "print 'Party A computes secret key as ((g**b modp)**a mod p) = %d'%(((g**b%23)**a)%p);\n",
+      "print 'Party B computes secret key as ((g**a modp)**b mod p) = %d'%(((g**a%23)**b)%p);"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Party A sends to party B as (g**a mod p) = 8\n",
+        "Party B sends to party A as (g**b mod p) = 19\n",
+        "Party A computes secret key as ((g**b modp)**a mod p) = 2\n",
+        "Party B computes secret key as ((g**a modp)**b mod p) = 2\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file