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https://issues.apache.org/jira/browse/HADOOP-13075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15838654#comment-15838654
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Steve Moist commented on HADOOP-13075:
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[~fabbri] One of Frederico's original changes was removing that. It was
commented on saying not to do so (in branch-2). It would be a simpler change
but I feel overloading that wouldn't be as clear. I'm not sure what customers
are using that field, the only use of it is in ITestS3AEncryption. Since this
is 3.0 of Hadoop, is it possible to remove old fields? I'm more supportie of
removing that field.
> Add support for SSE-KMS and SSE-C in s3a filesystem
> ---------------------------------------------------
>
> Key: HADOOP-13075
> URL: https://issues.apache.org/jira/browse/HADOOP-13075
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Andrew Olson
> Assignee: Federico Czerwinski
>
> S3 provides 3 types of server-side encryption [1],
> * SSE-S3 (Amazon S3-Managed Keys) [2]
> * SSE-KMS (AWS KMS-Managed Keys) [3]
> * SSE-C (Customer-Provided Keys) [4]
> Of which the S3AFileSystem in hadoop-aws only supports opting into SSE-S3
> (HADOOP-10568) -- the underlying aws-java-sdk makes that very simple [5].
> With native support in aws-java-sdk already available it should be fairly
> straightforward [6],[7] to support the other two types of SSE with some
> additional fs.s3a configuration properties.
> [1] http://docs.aws.amazon.com/AmazonS3/latest/dev/serv-side-encryption.html
> [2]
> http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingServerSideEncryption.html
> [3] http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingKMSEncryption.html
> [4]
> http://docs.aws.amazon.com/AmazonS3/latest/dev/ServerSideEncryptionCustomerKeys.html
> [5] http://docs.aws.amazon.com/AmazonS3/latest/dev/SSEUsingJavaSDK.html
> [6]
> http://docs.aws.amazon.com/AmazonS3/latest/dev/kms-using-sdks.html#kms-using-sdks-java
> [7] http://docs.aws.amazon.com/AmazonS3/latest/dev/sse-c-using-java-sdk.html
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