39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
# 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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import abc
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import six
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@six.add_metaclass(abc.ABCMeta)
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class Provider(object):
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"""Interface for credential providers that support encryption."""
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@abc.abstractmethod
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def encrypt(self, credential):
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"""Encrypt a credential.
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:param str credential: credential to encrypt
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:returns: encrypted credential str
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:raises: keystone.exception.CredentialEncryptionError
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"""
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@abc.abstractmethod
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def decrypt(self, credential):
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"""Decrypt a credential.
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:param str credential: credential to decrypt
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:returns: credential str as plaintext
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:raises: keystone.exception.CredentialEncryptionError
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"""
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