hashlib hash

import base64
import os
import hashlib

#print(hashlib.sha256(b'password').hexdigest())

user_name = 'user1'
user_pass = 'password'
db = {}

salt = base64.b64encode(os.urandom(32))

def get_digest(password):
    password = bytes(password, 'utf-8')
    digest = hashlib.sha256(salt + password).hexdigest()
    for _ in range(10000):
        digest = hashlib.sha256(bytes(digest, 'utf-8')).hexdigest()
        print(digest)
    print(digest)
    return digest

#You can also replace the above function with:
#digest = hashlib.pbkdf2_hmac('sha256', bytes(user_pass, 'utf-8'), salt, 10000)

db[user_name] = get_digest(user_pass)

def is_login(user_name, password):
    return get_digest(password) == db[user_name]

print(is_login(user_name, user_pass))