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From "Sanjay Radia (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6134) Transparent data at rest encryption
Date Thu, 19 Jun 2014 23:40:26 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14038099#comment-14038099
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Sanjay Radia commented on HDFS-6134:
------------------------------------

* distcp and such tools and applications
bq. Vanilla distcp will just work with transparent encryption.
This is not what one wants - distcp will not necessarily have permission in decrypt.

* delegation tokens  - KMS will accept delegation tokens - again I don't think this is what
one wants - can the keys be obtained at job submission time?

* File ACLs
bq. The NN gives the HDFS client the encrypted DEK and the keyVersion ID.
I assume the NN will hand this out based on the file ACL. Does the above reduce the security?

> 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 health­care 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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