Andy Novocin AndyNovo

Prof. Ninja from University of Delaware

AndyNovo / vulnerable.cpp

Created November 30, 2016 15:27

	#include <stdio.h>
	#include <string.h>
	#include <stdbool.h>

	bool isPasswordOK(void) {
	char Password[12];

	gets(Password);
	return 0 == strcmp(Password, "goodpass");
	}

AndyNovo / index.html

Created November 20, 2016 19:26

	<!doctype html>
	<html>
	<head>
	<title>A Page from a 3rd Party</title>
	</head>
	<body>
	<h1>This is HTML</h1>
	<p>It has many tags</p>
	</body>
	</html>

AndyNovo / querystring.cpp

Created November 16, 2016 16:43

	#include <iostream>
	#include <stdlib.h>
	using namespace std;


	int main () {

	cout << "Content-type:text/html"<<endl<<endl;
	cout << "<html>"<<endl;
	cout << "<body>"<<endl;

AndyNovo / ENV.cpp

Created November 16, 2016 16:39

	#include <iostream>
	#include <stdlib.h>
	using namespace std;

	const string ENV[ 24 ] = {
	"COMSPEC", "DOCUMENT_ROOT", "GATEWAY_INTERFACE",
	"HTTP_ACCEPT", "HTTP_ACCEPT_ENCODING",
	"HTTP_ACCEPT_LANGUAGE", "HTTP_CONNECTION",
	"HTTP_HOST", "HTTP_USER_AGENT", "PATH",
	"QUERY_STRING", "REMOTE_ADDR", "REMOTE_PORT",

AndyNovo / html.cpp

Created November 16, 2016 16:18

	#include <iostream>

	using namespace std;

	int main(){
	cout << "Content-type: text/html" << endl;
	cout << endl;
	cout << "<!doctype html><html><body>"<<endl;
	cout << "Hi there. I rule!" << endl;
	cout << "</body></html>" << endl;

AndyNovo / caesar_break.py

Created November 16, 2016 01:29

	import urllib2, random

	response = urllib2.urlopen("http://vip.udel.edu/crypto/mobydick.txt")
	mobytext = response.read()

	onlyletters = filter(lambda x: x.isalpha(), mobytext)
	loweronly = onlyletters.lower()

	def shiftBy(c, n):
	return chr(((ord(c) - ord('a') + n) % 26) + ord('a'))

AndyNovo / mobydick.py

Last active February 22, 2022 19:26

	import urllib2, ssl

	response = urllib2.urlopen("https://vip.udel.edu/crypto/mobydick.txt", context=ssl._create_unverified_context())
	mobytext = response.read()

	onlyletters = filter(lambda x: x.isalpha(), mobytext)
	loweronly = onlyletters.lower()

	frequency = {}
	for ascii in range(ord('a'), ord('a')+26):

AndyNovo / frequency.py

Created November 15, 2016 23:13

	#data derived from http://www.data-compression.com/english.html
	freqs = {'a': 0.080642499002080981, 'c': 0.026892340312538593, 'b': 0.015373768624831691, 'e': 0.12886234260657689, 'd': 0.043286671390026357, 'g': 0.019625534749730816, 'f': 0.024484713711692099, 'i': 0.06905550211598431, 'h': 0.060987267963718068, 'k': 0.0062521823678781188, 'j': 0.0011176940633901926, 'm': 0.025009719347800208, 'l': 0.041016761327711163, 'o': 0.073783151266212627, 'n': 0.069849754102356679, 'q': 0.0010648594165322703, 'p': 0.017031440203182008, 's': 0.063817324270355996, 'r': 0.06156572691936394, 'u': 0.027856851020401599, 't': 0.090246649949305979, 'w': 0.021192261444145363, 'v': 0.010257964235274787, 'y': 0.01806326249861108, 'x': 0.0016941732664605912, 'z': 0.0009695838238376564}

	sum_f_squared = 0.0
	sum_f = 0.0
	for key in freqs:
	sum_f += freqs[key]
	sum_f_squared += freqs[key]**2

	print sum_f

AndyNovo / polyalph.py

Created November 15, 2016 20:29

	import random

	def shiftBy(c, n):
	return chr(((ord(c) - ord('a') + n) % 26) + ord('a'))

	def encode(raw, keyLength):
	key = [random.randint(1,25) for i in range(keyLength)]
	secret = "".join([shiftBy(raw[i], key[i % keyLength]) for i in range(len(raw))])
	withSpaces = ''
	for i in range(len(secret)):

AndyNovo / hexvshex.py

Created November 15, 2016 17:43

	import binascii, hashlib

	hexascii = hashlib.sha256("andy").hexdigest()
	realhex = hashlib.sha256("andy").digest()

	binary_for_hexascii = ""
	binary_for_realhex = ""

	for character in hexascii:
	binary_for_hexascii += bin(ord(character))[2:].zfill(8)