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https://issues.apache.org/jira/browse/HADOOP-9331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13587035#comment-13587035
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Steve Loughran commented on HADOOP-9331:
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# can you convert the doc to a PDF?
# how is this going to impact export rules for Hadoop?
> Hadoop crypto codec framework and crypto codec implementations
> --------------------------------------------------------------
>
> Key: HADOOP-9331
> URL: https://issues.apache.org/jira/browse/HADOOP-9331
> Project: Hadoop Common
> Issue Type: New Feature
> Components: security
> Affects Versions: 3.0.0
> Reporter: Jerry Chen
> Attachments: Hadoop Crypto Design.docx
>
> Original Estimate: 504h
> Remaining Estimate: 504h
>
> For use cases that deal with sensitive data, we often need to encrypt data to
> be stored safely at rest. Hadoop common provides a codec framework for
> compression algorithms. We start here. However because encryption algorithms
> require some additional configuration and methods for key management, we
> introduce a crypto codec framework that builds on the compression codec
> framework. It cleanly distinguishes crypto algorithms from compression
> algorithms, but shares common interfaces between them where possible, and
> also carries extended interfaces where necessary to satisfy those needs. We
> also introduce a generic Key type, and supporting utility methods and
> classes, as a necessary abstraction for dealing with both Java crypto keys
> and PGP keys.
> The task for this feature breaks into two parts:
> 1. The crypto codec framework that based on compression codec which can be
> shared by all crypto codec implementations.
> 2. The codec implementations such as AES, RC4 and others.
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