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sha512_contest.py
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sha512_contest.py
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#!/usr/bin/env python2
# Attempt at a cryptographic hash function for the following contest:
# http://www.h11e.com/
import hashlib
from string import letters, digits
from random import randint, choice
from collections import Counter
chars = letters + digits
remembered_msgs = []
def counted(fn):
def wrapper(*args, **kwargs):
wrapper.called += 1
return fn(*args, **kwargs)
wrapper.called = 0
wrapper.__name__ = fn.__name__
return wrapper
@counted
def get_alt_msg():
return get_alt_msg.called
def create_alt_hash():
msg = str(get_alt_msg())
msg_512 = hashlib.sha512(msg).hexdigest()
if msg_512.startswith("00000"):
print msg, ":::", msg_512
def get_msg():
size = randint(4,16)
return ''.join(choice(chars) for x in xrange(size))
def create_hash():
msg = get_msg() + "d3M!"
print msg
if not msg in remembered_msgs:
msg_512 = hashlib.sha512(msg).hexdigest()
if msg_512.startswith("00"):
print msg, ":::", msg_512
remembered_msgs.append(msg)
#~ count = Counter(msg_512)
#~ if count["0"] > 20:
#~ print msg, "\n", msg_512
#~ while 1:
create_hash()
#~ import hashlib
#~ import random
#~ import string
#~
#~ def id_generator(size=20, chars=string.ascii_uppercase + string.digits):
#~ return ''.join(random.choice(chars) for x in range(size))
#~
#~ if __name__ == '__main__':
#~ curID = id_generator()
#~ curHash = hashlib.sha512(curID).hexdigest()
#~ for i in range(1000000000):
#~ newID = id_generator()
#~ newHash = hashlib.sha512(newID).hexdigest()
#~ if newHash < curHash:
#~ curID = newID
#~ curHash = newHash
#~ if i > 100000:
#~ with open(curID, 'w+') as fp:
#~ fp.write(curID + '\n' + curHash)
#~ print curID
#~ print curHash
#~ So I'd do something like:
#~
#~ def id_generator():
#~ return random.randrange(10**25)
#~ if __name__ == '__main__':
#~ for x in itertools.count(id_generator(), step=93):
#~ hash = hashlib.sha512('%X' % x).hexdigest()
#~ [...]
#~
#~ itertools.count will keep going forever, so you can just let it run until you win the contest.
#~ import hashlib
#~ import itertools
#~ def dicAttack():
#~ #wordlist = raw_input('\nenter path')
#~ wordlist = "C:/Users/LolReadingMyUser/Desktop/programming/Java Side Projects/Word lists/realhuman_phill (2).txt"
#~ try:
#~ words = open(wordlist, "r")
#~ except(IOError):
#~ print "Error in reading the word list. Please check your path and try again."
#~ sys.exit(1)
#~
#~ words = words.readlines()
#~ print 'there are ' + str(len(words)) + ' words in your word list.\n'
#~ for word in words:
#~ hash = hashlib.sha512()
#~ hash.update(word);
#~
#~ value = hash.hexdigest()
#~ if value.startswith("0000000"):
#~ print value
#~ print word
#~
#~
#~
#~ def bruteforce(charset, maxlength):
#~ return (''.join(candidate)
#~ for candidate in itertools.chain.from_iterable(itertools.product(charset, repeat=i)
#~ for i in range(1, maxlength + 1)))
#~
#~
#~ if __name__ == '__main__':
#~ for attempt in bruteforce("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&* ()_+", 5):
#~
#~ hash = hashlib.sha512(attempt)
#~
#~ value = hash.hexdigest()
#~ if value.startswith("000000000"):
#~ print value
#~ print attempt
#~ import hashlib
#~ import random
#~ import string
#~
#~ def generate_challenger(size=29, chars=string.ascii_uppercase + string.digits):
#~ return ''.join(random.choice(chars) for x in range(size))
#~
#~ if __name__ == '__main__':
#~ champion = "unknown"
#~ championHash = "0000000000647bbda32e45f07bcf18b6dfa2c8fbfd9f4f5257a591abc951a0c977fde6a43dd0f0423bd8cbb9b0110b3f0a7bf849458b8acb0b00de2347b20270"
#~ while True:
#~ challenger = generate_challenger()
#~ challengerHash = hashlib.sha512(challenger.encode('utf-8')).hexdigest()
#~ if challengerHash < championHash:
#~ break
#~ print(challenger)
#~ print(challengerHash)
#~ import hashlib
#~ import random
#~
#~ winner="0000000000647...get from website";
#~ while 1:
#~ rnd = '%030x' % random.randrange(16**30)
#~ m = hashlib.sha512(rnd).hexdigest();
#~ if m < winner:
#~ print rnd