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https://issues.apache.org/jira/browse/HADOOP-9333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13587914#comment-13587914
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Jerry Chen commented on HADOOP-9333:
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[~tucu00], The crypto codec provide high level abstraction related to a codec
that needs a crypto context. When considering the case that we do compression
before the encryption, a compression codec can be configured as part of the
crypto codec configuration and let the crypto codec implemenation handling the
compression by using the specified compression codec and then do encryption
after that. And the decryption process is reverse.
> Hadoop crypto codec framework based on compression codec
> --------------------------------------------------------
>
> Key: HADOOP-9333
> URL: https://issues.apache.org/jira/browse/HADOOP-9333
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: security
> Affects Versions: 3.0.0
> Reporter: Jerry Chen
> Attachments: HADOOP-9333.patch, HADOOP-9333.patch
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> The work defined here is to extend the Compression Codec framework to the
> encryption framework for handling encryption and decryption specific
> requirements in Hadoop.
> The targets of the encryption framework are:
> 1. Establishes a common abstraction of the API level that can be shared by
> all crypto codec implementations as well as users that use the API.
> 2. Provides a foundation for other components in Hadoop such as Map Reduce
> or HBase to support encryption features.
> The design document is available in the HADOOP-9331.
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