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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6134) Transparent data at rest encryption
Date Thu, 14 Aug 2014 21:18:19 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14097669#comment-14097669
] 

Suresh Srinivas commented on HDFS-6134:
---------------------------------------

bq. To read the file, you need to turn the EDEK into a DEK by decrypting the EDEK with the
ez-key.
FileEncryptionInfo stores EZKeyID right along with EDEK. So using EZKeyID and EDEK one can
get at DEK right?

So I think Sanjay's assertion is right. When you want to create a file, you need encryption
zone's EZKey. For reading the FileEncruptionInfo is self sufficient. Am I missing something?

> 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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