inspircd_hmac

#!/usr/bin/env python

import base64
import getpass
import hmac
import hashlib
import os
import sys

password = getpass.getpass(sys.argv[1])
salt = os.urandom(16)

digest = hmac.new(salt, password, hashlib.sha256).digest()
print base64.b64encode(salt).rstrip("=")+"$"+base64.b64encode(digest).rstrip("=")