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https://issues.apache.org/jira/browse/HDFS-10899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Chen updated HDFS-10899:
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Attachment: Re-encrypt edek design doc V2.pdf
HDFS-10899.10.wip.patch
Reviving this after a quite period.... Updated v2 design doc and a WIP patch
v10.
Most notable changes are:
- Reuse the existing EZ xattr for re-encryption logging - by adding an optional
field to protobuf
- Added multi-threading to contact the KMS to re-encrypt edeks.
Design doc:
- Briefed up a little, to keep the doc short
- added multi-threading section
- updated metadata persistent section
wip patch demonstrates the idea. Still have a bunch of todos:
- Previous todos
- Address Andrew's comments above
- Review fsn/fsd locking, and check synchronization of multi-threads
- Throttler need to consider memory consumption
> Add functionality to re-encrypt EDEKs
> -------------------------------------
>
> Key: HDFS-10899
> URL: https://issues.apache.org/jira/browse/HDFS-10899
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: encryption, kms
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Attachments: editsStored, HDFS-10899.01.patch, HDFS-10899.02.patch,
> HDFS-10899.03.patch, HDFS-10899.04.patch, HDFS-10899.05.patch,
> HDFS-10899.06.patch, HDFS-10899.07.patch, HDFS-10899.08.patch,
> HDFS-10899.09.patch, HDFS-10899.10.wip.patch, HDFS-10899.wip.2.patch,
> HDFS-10899.wip.patch, Re-encrypt edek design doc.pdf, Re-encrypt edek design
> doc V2.pdf
>
>
> Currently when an encryption zone (EZ) key is rotated, it only takes effect
> on new EDEKs. We should provide a way to re-encrypt EDEKs after the EZ key
> rotation, for improved security.
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