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https://issues.apache.org/jira/browse/PARQUET-1178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17098355#comment-17098355
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Gidon Gershinsky commented on PARQUET-1178:
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[~prdp...@gmail.com] this feature is already implemented in parquet-cpp code
(check Apache Arrow, from version 0.16).
If you need a Java version, it should be available soon in parquet-mr, check
#[776 |https://github.com/apache/parquet-mr/pull/776]- the last pull request in
the basic encryption layer. We're working to make it a part of the next
parquet-mr release, 1.12. No specific timelines at this point.
On top of the basic encryption layer, we're building a high level interface
that will simplify using the parquet encryption, see
[PARQUET-1568|https://issues.apache.org/jira/browse/PARQUET-1568]. Updated
details are coming up, we plan to try to make it a part of v1.12 too.
> Parquet modular encryption
> --------------------------
>
> Key: PARQUET-1178
> URL: https://issues.apache.org/jira/browse/PARQUET-1178
> Project: Parquet
> Issue Type: New Feature
> Reporter: Gidon Gershinsky
> Assignee: Gidon Gershinsky
> Priority: Major
>
> A mechanism for modular encryption and decryption of Parquet files. Allows to
> keep data fully encrypted in the storage - while enabling efficient analytics
> on the data, via reader-side extraction / authentication / decryption of data
> subsets required by columnar projection and predicate push-down.
> Enables fine-grained access control to column data by encrypting different
> columns with different keys.
> Supports a number of encryption algorithms, to account for different security
> and performance requirements.
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