Password Management @ http://software-and-algorithms.blogspot.sg/2012/06/password-management.html

passwd-mgmt.py

# Kevin L. Stern, June 2012.

from hashlib import sha256
from hmac import new as hmac
from getpass import getpass
from base64 import b64encode

master = getpass('Enter your master password: ')
account = raw_input('Enter the account name: ')
iterations = 100000
secret = sha256(master + account + str(iterations)).digest()
for j in xrange(iterations-1):
    secret = sha256(master + secret).digest()
print b64encode(hmac(secret, account, sha256).digest())
raw_input('Press [Enter] to continue.')