# Path: castellan/common/exception.py
# _FATAL_EXCEPTION_FORMAT_ERRORS = False
# class RedirectException(Exception):
# class CastellanException(Exception):
# class Forbidden(CastellanException):
# class KeyManagerError(CastellanException):
# class ManagedObjectNotFoundError(CastellanException):
# class InvalidManagedObjectDictError(CastellanException):
# class UnknownManagedObjectTypeError(CastellanException):
# class AuthTypeInvalidError(CastellanException):
# class InsufficientCredentialDataError(CastellanException):
#     def __init__(self, url):
#     def __init__(self, message_arg=None, *args, **kwargs):
# 
# Path: castellan/common/objects/symmetric_key.py
# class SymmetricKey(key.Key):
#     def __init__(self, algorithm, bit_length, key,
#                  name=None, created=None, id=None):
#     def managed_type(cls):
#     def algorithm(self):
#     def format(self):
#     def get_encoded(self):
#     def bit_length(self):
#     def __eq__(self, other):
#     def __ne__(self, other):


import binascii
from castellan.common import exception
from castellan.common.objects import symmetric_key
from oslo_config import cfg
from oslo_log import log as logging

        class MigrationKeyManager(type(key_mgr)):
            def __init__(self, configuration):
                self.fixed_key = configuration.key_manager.fixed_key
                self.fixed_key_id = '00000000-0000-0000-0000-000000000000'
                super(MigrationKeyManager, self).__init__(configuration)

            def get(self, context, managed_object_id):
                if managed_object_id == self.fixed_key_id:
                    LOG.debug("Processing request for secret associated"
                              " with fixed_key key ID")

                    if context is None:
                        raise exception.Forbidden()

                    key_bytes = bytes(binascii.unhexlify(self.fixed_key))
                    secret = symmetric_key.SymmetricKey('AES',
                                                        len(key_bytes) * 8,
                                                        key_bytes)
                else:
                    secret = super(MigrationKeyManager, self).get(
                        context, managed_object_id)
                return secret

            def delete(self, context, managed_object_id):
                if managed_object_id == self.fixed_key_id:
                    LOG.debug("Not deleting key associated with"
                              " fixed_key key ID")

                    if context is None:

# Path: castellan/common/exception.py
# _FATAL_EXCEPTION_FORMAT_ERRORS = False
# class RedirectException(Exception):
# class CastellanException(Exception):
# class Forbidden(CastellanException):
# class KeyManagerError(CastellanException):
# class ManagedObjectNotFoundError(CastellanException):
# class InvalidManagedObjectDictError(CastellanException):
# class UnknownManagedObjectTypeError(CastellanException):
# class AuthTypeInvalidError(CastellanException):
# class InsufficientCredentialDataError(CastellanException):
#     def __init__(self, url):
#     def __init__(self, message_arg=None, *args, **kwargs):
# 
# Path: castellan/common/objects/symmetric_key.py
# class SymmetricKey(key.Key):
#     def __init__(self, algorithm, bit_length, key,
#                  name=None, created=None, id=None):
#     def managed_type(cls):
#     def algorithm(self):
#     def format(self):
#     def get_encoded(self):
#     def bit_length(self):
#     def __eq__(self, other):
#     def __ne__(self, other):


# Path: castellan/key_manager/migration.py
import binascii
from castellan.common import exception
from castellan.common.objects import symmetric_key
from oslo_config import cfg
from oslo_log import log as logging


        class MigrationKeyManager(type(key_mgr)):
            def __init__(self, configuration):
                self.fixed_key = configuration.key_manager.fixed_key
                self.fixed_key_id = '00000000-0000-0000-0000-000000000000'
                super(MigrationKeyManager, self).__init__(configuration)

            def get(self, context, managed_object_id):
                if managed_object_id == self.fixed_key_id:
                    LOG.debug("Processing request for secret associated"
                              " with fixed_key key ID")

                    if context is None:
                        raise exception.Forbidden()

                    key_bytes = bytes(binascii.unhexlify(self.fixed_key))
                    secret = symmetric_key.SymmetricKey('AES',
                                                        len(key_bytes) * 8,
                                                        key_bytes)
                else:
                    secret = super(MigrationKeyManager, self).get(
                        context, managed_object_id)
                return secret

            def delete(self, context, managed_object_id):
                if managed_object_id == self.fixed_key_id:
                    LOG.debug("Not deleting key associated with"
                              " fixed_key key ID")

                    if context is None:

                        raise exception.Forbidden()