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PATH: usr / lib / python3.9 / site-packages / passlib / handlers

"""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
#=============================================================================

[+] __pycache__
[-] sun_md5_crypt.py [edit]
[-] django.py [edit]
[-] misc.py [edit]
[-] cisco.py [edit]
[-] digests.py [edit]
[-] ldap_digests.py [edit]
[-] md5_crypt.py [edit]
[-] oracle.py [edit]
[-] sha2_crypt.py [edit]
[-] mysql.py [edit]
[-] argon2.py [edit]
[-] scram.py [edit]
[-] des_crypt.py [edit]
[-] fshp.py [edit]
[-] roundup.py [edit]
[-] phpass.py [edit]
[-] mssql.py [edit]
[-] bcrypt.py [edit]
[-] windows.py [edit]
[-] pbkdf2.py [edit]
[-] scrypt.py [edit]
[-] sha1_crypt.py [edit]
[+] ..
[-] postgres.py [edit]
[-] __init__.py [edit]