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https://issues.apache.org/jira/browse/ORC-14?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16576954#comment-16576954
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Wei Han commented on ORC-14:
----------------------------
A related question to [~laurentcoder]'s question, what's the current status of
this feature? Is documentation(ORC-279) the only task that is pending?
Also is there plan to integrate this with engines like Hive/Spark, etc
(Basically add write/read support for encrypted columns)?
> Add column level encryption to ORC files
> ----------------------------------------
>
> Key: ORC-14
> URL: https://issues.apache.org/jira/browse/ORC-14
> Project: ORC
> Issue Type: New Feature
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Priority: Major
> Attachments: columnEncryption.png
>
>
> It would be useful to support column level encryption in ORC files. Since
> each column and its associated index is stored separately, encrypting a
> column separately isn't difficult. In terms of key distribution, it would
> make sense to use an external server like the one in HADOOP-9331.
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