36. Validating Salts

import random
import string
import hashlib

def make_salt():
    return ''.join(random.choice(string.letters) for x in xrange(5))

# Implement the function valid_pw() that returns True if a user's password 
# matches its hash. You will need to modify make_pw_hash.

def make_pw_hash(name, pw):
    salt = make_salt()
    h = hashlib.sha256(name + pw + salt).hexdigest()
    return '%s,%s' % (h, salt)

def valid_pw(name, pw, h):
    ###Your code here

#h = make_pw_hash('spez', 'hunter2')
#print valid_pw('spez', 'hunter2', h)

import random
import string
import hashlib

def make_salt():
    return ''.join(random.choice(string.letters) for x in xrange(5))

# Implement the function valid_pw() that returns True if a user's password 
# matches its hash. You will need to modify make_pw_hash.

def make_pw_hash(name, pw, salt=''):
    if salt == '':
        salt = make_salt()
    h = hashlib.sha256(name + pw + salt).hexdigest()
    return '%s,%s' % (h, salt)

def valid_pw(name, pw, h):
    salt = h.split(',')[1]
    if make_pw_hash(name, pw, salt) == h:
        return True
    else:
        return False

#h = make_pw_hash('spez', 'hunter2')
#print valid_pw('spez', 'hunter2', h)