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#
# This file is part of pysnmp software.
#
# Copyright (c) 2005-2020, Ilya Etingof <etingof@gmail.com>
# License: https://www.pysnmp.com/pysnmp/license.html
#
from pysnmp.proto import errind, error
class AbstractAuthenticationService:
"""Abstract base class for SNMPv3 authentication services."""
SERVICE_ID = None
def hash_passphrase(self, authKey):
"""Hash authentication key."""
raise error.ProtocolError(errind.noAuthentication)
def localize_key(self, authKey, snmpEngineID):
"""Localize authentication key."""
raise error.ProtocolError(errind.noAuthentication)
@property
def digest_length(self):
"""Return length of the digest produced by this service."""
raise error.ProtocolError(errind.noAuthentication)
# 7.2.4.1
def authenticate_outgoing_message(self, authKey, wholeMsg):
"""Authenticate outgoing message."""
raise error.ProtocolError(errind.noAuthentication)
# 7.2.4.2
def authenticate_incoming_message(self, authKey, authParameters, wholeMsg):
"""Authenticate incoming message."""
raise error.ProtocolError(errind.noAuthentication)
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