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https://issues.apache.org/jira/browse/HDFS-6134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14036234#comment-14036234
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Larry McCay commented on HDFS-6134:
-----------------------------------
I can buy the overall approach and agree that it is more secure.
However, I'm not so sure that we need to add these methods to the KeyProvider
API.
Follow up questions:
* do we need these methods for any other usecases?
* does/can the HDFS client have access to the EZ key at the same time that it
has to decrypt the DEK?
* if this particular key provider always returns an encrypted DEK then can't
the client know to always decrypt it with the EZ key?
thoughts?
> Transparent data at rest encryption
> -----------------------------------
>
> Key: HDFS-6134
> URL: https://issues.apache.org/jira/browse/HDFS-6134
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: security
> Affects Versions: 2.3.0
> Reporter: Alejandro Abdelnur
> Assignee: Alejandro Abdelnur
> Attachments: HDFSDataAtRestEncryption.pdf
>
>
> Because of privacy and security regulations, for many industries, sensitive
> data at rest must be in encrypted form. For example: the healthÂcare industry
> (HIPAA regulations), the card payment industry (PCI DSS regulations) or the
> US government (FISMA regulations).
> This JIRA aims to provide a mechanism to encrypt HDFS data at rest that can
> be used transparently by any application accessing HDFS via Hadoop Filesystem
> Java API, Hadoop libhdfs C library, or WebHDFS REST API.
> The resulting implementation should be able to be used in compliance with
> different regulation requirements.
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