unicornsasfuel

from Crypto.Cipher import AES
import sys

FLAG = '7368336c6c63306e72756c7a'.decode('hex')

def pkcs7_pad(text):
   pad_num = 16 - (len(text) % 16)
   return text + chr(pad_num) * pad_num

cipher = AES.new('yellow submarINE', AES.MODE_ECB)

unicornsasfuel

<?php
$FLAG = '[REDACTED]' //Flag removed
  
if (strcmp($_GET['password'],'[REDACTED]')==0){ // Real password has been removed
  echo $FLAG;
}else{
  echo 'LOL NOPE';
}
?>

unicornsasfuel

Ode to ECB - Ben Nagy

"""
Oh little one, you’re growing up
You’ll soon be writing C
You’ll treat your ints as pointers
You’ll nest the ternary
You’ll cut and paste from github
And try cryptography
But even in your darkest hour

unicornsasfuel

import hashlib

KEY = #NAH
FLAG = #NAH

message = 'Hello LOLCTF! Can you beat my super-leet stream cipher? If you can, the flag is: ' + FLAG

def sxor(s1, s2):
   return ''.join([chr(ord(c1) ^ ord(c2)) for c1, c2 in zip(s1, s2)])

unicornsasfuel

#include <stdlib.h>
#include <netdb.h>
#include <netinet/in.h>
#include <string.h>
#include <unistd.h>
#include <time.h>

int doprocessing (int sock);
int authtest(char *username, char *password);
int runcode();

unicornsasfuel

<iframe src="file:///etc/passwd">

unicornsasfuel

from pwn import *

M = 2**31
A = 7**6
C = 5

# bisect the possible set of correct numbers
def get_next_guess(low, high):
   return low+(high-low)/2

unicornsasfuel

from Crypto.Cipher import AES
from pwn import *

ciphertext = 'YWFhYWFhYWFhYWFhYWFhYQ=='

one = 'ICAgICAgICAgICAxNTc1Mw=='
two = 'ICAgICAgICAgICA2Nzc5Nw=='
three = 'ICAgICAgICAgICA0NDQ0NQ=='
four = 'ICAgICAgICAgICAyMzU2Mw=='
five = 'ICAgICAgICAgICAgNDc3OA=='