Day 4



In [7]:

    
myinput = 'iwrupvqb'

Day 4.1



In [11]:

    
import hashlib

def md5hash(mystr):
    hasher = hashlib.md5()
    hasher.update(mystr.encode('utf-8'))
    return hasher.hexdigest()

def decypher(mystr):
    low = int('0x' + '0'*5 + 'f'*27, 16)
    i = 1
    while (int(md5hash(mystr + str(i)), 16) > low):
        i += 1
    return i



In [12]:

    
decypher(myinput)









    Out[12]:





346386

Day 4.2



In [13]:

    
def decypher(mystr):
    low = int('0x' + '0'*6 + 'f'*26, 16)
    i = 1
    while (int(md5hash(mystr + str(i)), 16) > low):
        i += 1
    return i



In [14]:

    
decypher(myinput)









    Out[14]:





9958218