70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
# Copyright (c) 2015 The Johns Hopkins University/Applied Physics Laboratory
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Base PrivateKey Class
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This module defines the PrivateKey class.
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"""
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from castellan.common.objects import key
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class PrivateKey(key.Key):
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"""This class represents private keys."""
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def __init__(self, algorithm, bit_length, key,
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name=None, created=None, id=None):
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"""Create a new PrivateKey object.
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The arguments specify the algorithm and bit length for the asymmetric
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encryption and the bytes for the key in a bytestring.
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"""
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self._alg = algorithm
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self._bit_length = bit_length
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self._key = key
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super(PrivateKey, self).__init__(name=name, created=created, id=id)
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@property
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def algorithm(self):
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"""Returns the algorithm for asymmetric encryption."""
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return self._alg
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@property
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def format(self):
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"""This method returns 'PKCS8'."""
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return "PKCS8"
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@property
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def bit_length(self):
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"""Returns the key length."""
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return self._bit_length
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def get_encoded(self):
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"""Returns the key in DER encoded format."""
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return self._key
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def __eq__(self, other):
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if isinstance(other, PrivateKey):
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return (self._alg == other._alg and
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self._bit_length == other._bit_length and
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self._key == other._key)
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else:
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return False
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def __ne__(self, other):
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result = self.__eq__(other)
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return not result
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