cryptopals.py

#/usr/bin/python

#Abdeljalil Nouiri

#Crypthon ^^

import time

import binascii

#==========================================================

#S1C1

#=========================================================

hexa = "49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d"

output = hexa.decode("hex")

dec = output.encode('base64')
time.sleep(5)
print 'Cipher => ', hexa
time.sleep(5)
print 'Hex Decode => ', output
time.sleep(5)

print 'Output Encode => ', dec

time.sleep(5)

print "Did The Output encode = Cipher ? "

time.sleep(5)

if "SSdtIGtpbGxpbmcgeW91ciBicmFpbiBsaWtlIGEgcG9pc29ub3VzIG11c2hyb29t" in dec:

 print "Yees !"
 
else:

 print "Nooo !" 

#==========================================================
time.sleep(5)
print """
---------------------------------------
S1C2
---------------------------------------

"""

#==========================================================


c1 = ("1c0111001f010100061a024b53535009181c".decode('hex')).replace('\n','')

c2 = ('686974207468652062756c6c277320657965'.decode("hex")).replace('\n','')

zipper = zip(c1,c2)

xr = ""

for h,x in zipper:

 xr += chr(ord(h) ^ ord(x))
 
print xr
 
#===========================================================
time.sleep(5)
print """
---------------------------------------
S1C3
---------------------------------------

"""
#===========================================================


col = "1b37373331363f78151b7f2b783431333d78397828372d363c78373e783a393b3736"


def cracker(crack1,crack2):

 hap1 = crack1.decode('hex')
 hap2 = crack2.decode("hex")
 
 zipper = zip(hap1,hap2)
 
 lol = ""
 
 for h,x in zipper:
 
  lol += chr(ord(h) ^ ord(x))
  
 return lol
  
for iii in xrange(78,79):

 dodo = chr(iii)
 
 dododo = str(iii)*len(col)
 
print dodo," =>> ", cracker(col,dododo)



#===========================================================
time.sleep(5)
print """
---------------------------------------
S1C7
---------------------------------------

"""
#===========================================================


from Crypto.Cipher import AES


f = open("7.txt").read()

x = f.decode('base64')

key = "YELLOW SUBMARINE"

def flag(dec,key):

 cip = AES.new(key,AES.MODE_ECB)
 
 deco = cip.decrypt(dec)
 
 print deco

print flag(x,key)