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https://issues.apache.org/jira/browse/HBASE-6222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13393360#comment-13393360
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Lars George commented on HBASE-6222:
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I am thinking of moving the tags between the key and the value of the KV. The 
existence would need to be tracked somehow, so we could add a single byte as a 
bit field to flag the presence. Or add a new type value like PUT_WITH_TAGS or 
some such. That would leave existing KVs the same and only the code needs to be 
enhanced to enable the actual security layer - which would be a system level 
coprocessor I presume. 
                
> Add per-KeyValue Security, get federal funding for HBase?
> ---------------------------------------------------------
>
>                 Key: HBASE-6222
>                 URL: https://issues.apache.org/jira/browse/HBASE-6222
>             Project: HBase
>          Issue Type: New Feature
>          Components: security
>            Reporter: stack
>
> Saw an interesting article: 
> http://www.fiercegovernmentit.com/story/sasc-accumulo-language-pro-open-source-say-proponents/2012-06-14
> "The  Senate Armed Services Committee version of the fiscal 2013 national 
> defense authorization act (S. 3254) would require DoD agencies to foreswear 
> the Accumulo NoSQL database after Sept. 30, 2013, unless the DoD CIO 
> certifies that there exists either no viable commercial open source database 
> with security features comparable to [Accumulo] (such as the HBase or 
> Cassandra databases)..."
> Not sure what a 'commercial open source database' is, and I'm not sure whats 
> going on in the article, but tra-la-la'ing, if we had per-KeyValue 'security' 
> like Accumulo's, we might put ourselves in the running for federal 
> contributions?

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