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https://issues.apache.org/jira/browse/ACCUMULO-980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569066#comment-13569066
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Keith Turner commented on ACCUMULO-980:
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I realize that the current proposal has a level of indirection for encryption 
at the file.   I was thinking the tablet may be another natural place for a 
level of indirection.  But that was just thinking out loud.  We should 
certainly support the ability for users to plug in their own key management.  
We should also explore offering some default key mgmt thats secure inorder to 
offer a complete feature for 1.6.  That would be another ticket though, I'll 
open that.
                
> support pluggable codecs for RFile
> ----------------------------------
>
>                 Key: ACCUMULO-980
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-980
>             Project: Accumulo
>          Issue Type: Improvement
>            Reporter: Adam Fuchs
>            Assignee: Adam Fuchs
>             Fix For: 1.6.0
>
>         Attachments: RFile-Changes-Proposal-V1.pdf
>
>
> As part of the encryption at rest story, RFile should support pluggable 
> modules where it currently has hardcoded options for compression codecs. This 
> is a natural place to add encryption capabilities, as the cost of encryption 
> would likely not be significantly different from the cost of compression, and 
> the block-level integration should maintain the same seek and scan 
> performance. Given the many implementation options for both encryption and 
> compression, it makes sense to have a plugin structure here.

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