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From "Rob Weltman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4491) Encryption and Key Protection
Date Fri, 27 Jul 2012 23:39:35 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13424216#comment-13424216
] 

Rob Weltman commented on MAPREDUCE-4491:
----------------------------------------

If you want to use different encryption keys for different files (or even for different columns
within the same file), how do you identify the right key from the Safe or Keystore, i.e. where
is the mapping maintained? Would that be an additional layer on top of this?

                
> 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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