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# Copyright (c) 2014 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.
# This module defines classes representing all of the different key types
# used by KMIP, including the more detailed structures of the Transparent
# Keys defined in Section 2.1.7.
from kmip.core.enums import Tags
from kmip.core.primitives import Struct
from kmip.core.primitives import ByteString
from kmip.core.utils import BytearrayStream
class RawKey(ByteString):
def __init__(self, value=None):
super(RawKey, self).__init__(value, Tags.KEY_MATERIAL)
class OpaqueKey(ByteString):
def __init__(self, value=None):
super(OpaqueKey, self).__init__(value, Tags.KEY_MATERIAL)
class PKCS1Key(ByteString):
def __init__(self, value=None):
super(PKCS1Key, self).__init__(value, Tags.KEY_MATERIAL)
class PKCS8Key(ByteString):
def __init__(self, value=None):
super(PKCS8Key, self).__init__(value, Tags.KEY_MATERIAL)
class X509Key(ByteString):
def __init__(self, value=None):
super(X509Key, self).__init__(value, Tags.KEY_MATERIAL)
class ECPrivateKey(ByteString):
def __init__(self, value=None):
super(ECPrivateKey, self).__init__(value, Tags.KEY_MATERIAL)
# 2.1.7.1
class TransparentSymmetricKey(Struct):
class Key(ByteString):
def __init__(self, value=None):
super(TransparentSymmetricKey.Key, self).__init__(value, Tags.KEY)
def __init__(self, key=None):
super(TransparentSymmetricKey, self).__init__(Tags.KEY_MATERIAL)
self.key = key
self.validate()
def read(self, istream):
super(TransparentSymmetricKey, self).read(istream)
tstream = BytearrayStream(istream.read(self.length))
self.key = TransparentSymmetricKey.Key()
self.key.read(tstream)
self.is_oversized(tstream)
self.validate()
def write(self, ostream):
tstream = BytearrayStream()
self.key.write(tstream)
# Write the length and value of the key wrapping data
self.length = tstream.length()
super(TransparentSymmetricKey, self).write(ostream)
ostream.write(tstream.buffer)
def validate(self):
self.__validate()
def __validate(self):
# TODO (peter-hamilton) Finish implementation.
pass
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