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https://issues.apache.org/jira/browse/MAPREDUCE-4491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13425244#comment-13425244
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Alejandro Abdelnur commented on MAPREDUCE-4491:
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Benoy, I've done a quick read to the doc. A couple of initial questions:
* If using compression codec for encryption, are you losing the compression
capabilities if doing using encryption or will it work as a composition?
* For the keystores, are you proposing to store them in HDFS use file system
permissions to protect them? I'm not sure if I understood this part correctly.
If that is the case, then HDFS-3637 would ensure secure transfer.
I'll read the design doc in more detail later this week.
> Encryption and Key Protection
> -----------------------------
>
> Key: MAPREDUCE-4491
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4491
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: documentation, security, task-controller, tasktracker
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Attachments: Hadoop_Encryption.pdf
>
>
> When dealing with sensitive data, it is required to keep the data encrypted
> wherever it is stored. Common use case is to pull encrypted data out of a
> datasource and store in HDFS for analysis. The keys are stored in an external
> keystore.
> The feature adds a customizable framework to integrate different types of
> keystores, support for Java KeyStore, read keys from keystores, and transport
> keys from JobClient to Tasks.
> The feature adds PGP encryption as a codec and additional utilities to
> perform encryption related steps.
> The design document is attached. It explains the requirement, design and use
> cases.
> Kindly review and comment. Collaboration is very much welcome.
> I have a tested patch for this for 1.1 and will upload it soon as an initial
> work for further refinement.
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