zulip/zerver/lib/initial_password.py

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from __future__ import absolute_import
from django.conf import settings
import hashlib
import base64
def initial_password(email):
"""Given an email address, returns the initial password for that account, as
created by populate_db."""
digest = hashlib.sha256(settings.INITIAL_PASSWORD_SALT + email).digest()
return base64.b64encode(digest)[:16]