ce1b2630d2
When using the simple_crypto_plugin (which is enabled by default),
secrets are encrypted with per-project keys, and those keys are
encrypted (or wrapped) with a master key encryption key (KEK, or MKEK).
The wrapped project keys are stored in the database. The KEK is stored
in the barbican configuration file.
If no KEK is specified, a well-known default is used. There is no native
Barbican support for rotating the KEK. Changing the KEK would cause loss
of access to all secrets, because Barbican would be unable to unwrap the
project keys.
This change adds support for upgrading the Helm chart while changing the
KEK. A script can be executed during the db-sync job that decrypts the
project keys with the old KEK, and rewraps them with the new KEK. Note
that no secrets are actually modified during this procedure, and the
project keys are not actually changed.
To use this feature, specify the following values:
conf:
barbican:
simple_crypto_plugin:
kek: # new KEK, 32-bytes of data, base64-encoded
simple_crypto_kek_rewrap:
old_kek: # old KEK, 32-bytes of data, base64-encoded
Change-Id: I462085b89ef80985b42149cccf865e6c5f0f5a53
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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apiVersion: v1
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appVersion: v1.0.0
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description: OpenStack-Helm Barbican
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name: barbican
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version: 0.2.3
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home: https://docs.openstack.org/barbican/latest/
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icon: https://www.openstack.org/themes/openstack/images/project-mascots/Barbican/OpenStack_Project_Barbican_vertical.png
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sources:
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- https://opendev.org/openstack/barbican
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- https://opendev.org/openstack/openstack-helm
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maintainers:
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- name: OpenStack-Helm Authors
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