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From "Sanjay Radia (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6134) Transparent data at rest encryption
Date Thu, 14 Aug 2014 20:40:19 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14097610#comment-14097610
] 

Sanjay Radia commented on HDFS-6134:
------------------------------------

Context: making things work for cp, distcp, har, etc.
Is the following true:
 the EZ master key (EZKey) is only needed for file creation in EZ subtree. After that for
reading  or appending to a file, one simple needs the file's individual key. If that is true
then one can copy raw encrypted files and their keys from an EZ to tape, har, tar, etc  and
then restore them later and  things would just work. Also can one copy raw encrypted files
and their keys from an EZ  to another EZ which has a different EZKey and again things would
work?

> 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: 3.0.0, 2.3.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Charles Lamb
>         Attachments: HDFS-6134.001.patch, HDFS-6134.002.patch, HDFS-6134_test_plan.pdf,
HDFSDataatRestEncryption.pdf, HDFSDataatRestEncryptionProposal_obsolete.pdf, HDFSEncryptionConceptualDesignProposal-2014-06-20.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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