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https://issues.apache.org/jira/browse/HIVE-4227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13759139#comment-13759139
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Larry McCay commented on HIVE-4227:
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I am in the process of reworking the patch for HADOOP-9534 Credential
Management Framework in order to support accessing keying material for this
issue. Current thinking is that CMF can abstract the source of keys and be
leveraged across a number of different crypto and password protection usecases
in the Hadoop ecosystem. This is why it is being done in Hadoop rather than
Hive. We will want to also align it's use with HADOOP-9331 - since 9331 will be
leveraged in here as well as for the cryptoFS, etc.
Will provide a description of the DDL/metastore and column store changes that
will be needed to support the column level encryption once I have it written up.
> Add column level encryption to ORC files
> ----------------------------------------
>
> Key: HIVE-4227
> URL: https://issues.apache.org/jira/browse/HIVE-4227
> Project: Hive
> Issue Type: New Feature
> Components: File Formats
> Reporter: Owen O'Malley
> Labels: gsoc, gsoc2013
>
> 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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