deb-python-kmip/kmip/services/auth.py
Peter a1fa021af3 Adding KMIP authentication suites
This change adds KMIP authentication suites, which define the TLS
protocols and cipher suites to use for establishing secure network
connections compliant with the KMIP specification. Test suites are
included.
2016-02-05 13:29:05 -05:00

128 lines
3.8 KiB
Python

# Copyright (c) 2015 The Johns Hopkins University/Applied Physics Laboratory
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import abc
import six
import ssl
@six.add_metaclass(abc.ABCMeta)
class AuthenticationSuite(object):
"""
An authentication suite used to establish secure network connections.
Acts as the base of the suite hierarchy.
"""
@abc.abstractmethod
def __init__(self):
"""
Create an AuthenticationSuite object.
"""
self._profile = []
self._ciphers = ''
@property
def protocol(self):
"""
Get the authentication suite protocol.
Returns:
int: The value of the ssl.PROTOCOL_* setting for this suite.
"""
return self._protocol
@property
def ciphers(self):
"""
Get the authentication suite cipher string.
Returns:
string: A colon delimited string listing the valid ciphers for
the suite protocol.
"""
return self._ciphers
class BasicAuthenticationSuite(AuthenticationSuite):
"""
An authentication suite used to establish secure network connections.
Supports TLS 1.0 and a subset of TLS 1.0 compliant cipher suites, defined
in NIST 800-57, as defined by the KMIP specification.
"""
def __init__(self):
"""
Create a BasicAuthenticationSuite object.
"""
super(BasicAuthenticationSuite, self).__init__()
self._protocol = ssl.PROTOCOL_TLSv1
self._ciphers = ':'.join((
'AES128-SHA',
'DES-CBC3-SHA',
'AES256-SHA',
'DHE-DSS-DES-CBC3-SHA',
'DHE-RSA-DES-CBC3-SHA',
'DH-DSS-AES128-SHA',
'DH-RSA-AES128-SHA',
'DHE-DSS-AES128-SHA',
'DHE-RSA-AES128-SHA',
'DH-RSA-AES256-SHA',
'DHE-DSS-AES256-SHA',
'DHE-RSA-AES256-SHA',
))
class TLS12AuthenticationSuite(AuthenticationSuite):
"""
An authentication suite used to establish secure network connections.
Supports TLS 1.2 and a subset of TLS 1.2 compliant cipher suites, defined
in NIST 800-57, as defined by the KMIP specification.
"""
def __init__(self):
"""
Create a TLS12AuthenticationSuite object.
"""
super(TLS12AuthenticationSuite, self).__init__()
self._protocol = ssl.PROTOCOL_TLSv1_2
self._ciphers = ':'.join((
'AES128-SHA256',
'AES256-SHA256',
'DH-DSS-AES256-SHA256',
'DH-DSS-AES128-SHA256',
'DH-RSA-AES128-SHA256',
'DHE-DSS-AES128-SHA256',
'DHE-RSA-AES128-SHA256',
'DH-DSS-AES256-SHA256',
'DH-RSA-AES256-SHA256',
'DHE-DSS-AES256-SHA256',
'DHE-RSA-AES256-SHA256',
'ECDH-ECDSA-AES128-SHA256',
'ECDH-ECDSA-AES256-SHA256',
'ECDHE-ECDSA-AES128-SHA256',
'ECDHE-ECDSA-AES256-SHA384',
'ECDH-RSA-AES128-SHA256',
'ECDH-RSA-AES256-SHA384',
'ECDHE-RSA-AES128-SHA256',
'ECDHE-RSA-AES256-SHA384',
'ECDHE-ECDSA-AES128-GCM-SHA256',
'ECDHE-ECDSA-AES256-GCM-SHA384',
'ECDHE-ECDSA-AES128-SHA256',
'ECDHE-ECDSA-AES256-SHA384',
))