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https://issues.apache.org/jira/browse/SPARK-5682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14390157#comment-14390157
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Apache Spark commented on SPARK-5682:
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User 'kellyzly' has created a pull request for this issue:
https://github.com/apache/spark/pull/5307
> Add encrypted shuffle in spark
> ------------------------------
>
> Key: SPARK-5682
> URL: https://issues.apache.org/jira/browse/SPARK-5682
> Project: Spark
> Issue Type: New Feature
> Components: Shuffle
> Reporter: liyunzhang_intel
> Attachments: Design Document of Encrypted Spark
> Shuffle_20150209.docx, Design Document of Encrypted Spark
> Shuffle_20150318.docx
>
>
> Encrypted shuffle is enabled in hadoop 2.6 which make the process of shuffle
> data safer. This feature is necessary in spark. AES is a specification for
> the encryption of electronic data. There are 5 common modes in AES. CTR is
> one of the modes. We use two codec JceAesCtrCryptoCodec and
> OpensslAesCtrCryptoCodec to enable spark encrypted shuffle which is also used
> in hadoop encrypted shuffle. JceAesCtrypoCodec uses encrypted algorithms jdk
> provides while OpensslAesCtrCryptoCodec uses encrypted algorithms openssl
> provides.
> Because ugi credential info is used in the process of encrypted shuffle, we
> first enable encrypted shuffle on spark-on-yarn framework.
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