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https://issues.apache.org/jira/browse/HADOOP-13887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15905731#comment-15905731
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Igor Mazur commented on HADOOP-13887:
-------------------------------------

I have a question about adding symmetric and asymmetric encryption. 
Initialization of EncryptionMaterialsProvider in different cases for 
AmazonS3EncryptionClient might be a little bit verbose. So I see couple of 
options, but not sure what of them fits better to the style.

1. Add some amount of scalar typed options (string/int) to the configurations, 
for example, public/private keys etc
2. Add single option with class type that will allow users to provide a 
completely custom class initializer for any particular cases.

> Support for client-side encryption in S3A file system
> -----------------------------------------------------
>
>                 Key: HADOOP-13887
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13887
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.8.0
>            Reporter: Jeeyoung Kim
>            Assignee: Igor Mazur
>            Priority: Minor
>         Attachments: HADOOP-14171-001.patch
>
>
> Expose the client-side encryption option documented in Amazon S3 
> documentation  - 
> http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingClientSideEncryption.html
> Currently this is not exposed in Hadoop but it is exposed as an option in AWS 
> Java SDK, which Hadoop currently includes. It should be trivial to propagate 
> this as a parameter passed to the S3client used in S3AFileSystem.java



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