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https://issues.apache.org/jira/browse/MAPREDUCE-4491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13433237#comment-13433237
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Benoy Antony commented on MAPREDUCE-4491:
-----------------------------------------

To make the reviewing this patch easier, I am dividing this patch  into smaller 
patches. I am opening sub tasks under this jira issue and attaching the patches 
to those liras.
                
> 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, Hadoop_Encryption.pdf, 
> MR_4491_1.1.patch, MR_4491_trunk.patch
>
>
> 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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