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https://issues.apache.org/jira/browse/HADOOP-10735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14053965#comment-14053965
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Colin Patrick McCabe commented on HADOOP-10735:
-----------------------------------------------

So as we discussed on HADOOP-10693, we need some way of providing a fallback to 
the JCE implementation when the openssl one is not available.  It's also very 
important that we have a way of ensuring that the unit tests on Jenkins fail 
when openssl is not available.

> Fall back AESCTRCryptoCodec implementation from OpenSSL to JCE if non native 
> support.
> -------------------------------------------------------------------------------------
>
>                 Key: HADOOP-10735
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10735
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>    Affects Versions: fs-encryption (HADOOP-10150 and HDFS-6134)
>            Reporter: Yi Liu
>            Assignee: Yi Liu
>             Fix For: fs-encryption (HADOOP-10150 and HDFS-6134)
>
>
> If there is no native support or OpenSSL version is too low not supporting 
> AES-CTR, but {{OpenSSLAESCTRCryptoCodec}} is configured, we need to fall back 
> it to JCE implementation.



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