Gecko [ gtgates.com ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-02-13 01:26
__init__.py	86 B	-rw-r--r--	2013-09-13 17:41
argon2.py	38.02 KB	-rw-r--r--	2019-11-19 19:41
bcrypt.py	42.13 KB	-rw-r--r--	2019-11-22 21:48
cisco.py	15.9 KB	-rw-r--r--	2019-11-12 18:47
des_crypt.py	21.74 KB	-rw-r--r--	2019-11-12 18:47
digests.py	5.32 KB	-rw-r--r--	2016-11-23 03:20
django.py	19.71 KB	-rw-r--r--	2019-11-12 18:47
fshp.py	7.62 KB	-rw-r--r--	2019-11-12 18:47
ldap_digests.py	9.87 KB	-rw-r--r--	2019-11-12 18:47
md5_crypt.py	13.37 KB	-rw-r--r--	2019-11-12 18:47
misc.py	9.87 KB	-rw-r--r--	2019-11-12 18:47
mssql.py	8.28 KB	-rw-r--r--	2019-11-12 18:47
mysql.py	4.68 KB	-rw-r--r--	2019-11-12 18:47
oracle.py	6.53 KB	-rw-r--r--	2019-11-12 18:47
pbkdf2.py	18.56 KB	-rw-r--r--	2019-11-12 18:47
phpass.py	4.67 KB	-rw-r--r--	2019-11-12 18:47
postgres.py	2.22 KB	-rw-r--r--	2019-11-12 18:47
roundup.py	1.15 KB	-rw-r--r--	2019-11-12 18:47
scram.py	22.01 KB	-rw-r--r--	2019-11-12 18:47
scrypt.py	13.81 KB	-rw-r--r--	2019-11-12 18:47
sha1_crypt.py	5.69 KB	-rw-r--r--	2019-11-12 18:47
sha2_crypt.py	20.67 KB	-rw-r--r--	2019-11-12 18:47
sun_md5_crypt.py	13.61 KB	-rw-r--r--	2019-11-12 18:47
windows.py	12.09 KB	-rw-r--r--	2019-11-12 18:47

Rename

"""passlib.handlers.postgres_md5 - MD5-based algorithm used by Postgres for pg_shadow table"""
#=============================================================================
# imports
#=============================================================================
# core
from hashlib import md5
import logging; log = logging.getLogger(__name__)
# site
# pkg
from passlib.utils import to_bytes
from passlib.utils.compat import str_to_uascii, unicode, u
import passlib.utils.handlers as uh
# local
__all__ = [
    "postgres_md5",
]

#=============================================================================
# handler
#=============================================================================
class postgres_md5(uh.HasUserContext, uh.StaticHandler):
    """This class implements the Postgres MD5 Password hash, and follows the :ref:`password-hash-api`.

It does a single round of hashing, and relies on the username as the salt.

The :meth:`~passlib.ifc.PasswordHash.hash`, :meth:`~passlib.ifc.PasswordHash.genhash`, and :meth:`~passlib.ifc.PasswordHash.verify` methods all require the
    following additional contextual keywords:

:type user: str
    :param user: name of postgres user account this password is associated with.
    """
    #===================================================================
    # algorithm information
    #===================================================================
    name = "postgres_md5"
    _hash_prefix = u("md5")
    checksum_chars = uh.HEX_CHARS
    checksum_size = 32

#===================================================================
    # primary interface
    #===================================================================
    def _calc_checksum(self, secret):
        if isinstance(secret, unicode):
            secret = secret.encode("utf-8")
        user = to_bytes(self.user, "utf-8", param="user")
        return str_to_uascii(md5(secret + user).hexdigest())

#===================================================================
    # eoc
    #===================================================================

#=============================================================================
# eof
#=============================================================================