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From "Steve Moist (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13075) Add support for SSE-KMS and SSE-C in s3a filesystem
Date Thu, 26 Jan 2017 17:47:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15840118#comment-15840118
] 

Steve Moist commented on HADOOP-13075:
--------------------------------------

[~stevel@apache.org] So you're saying don't change the name of the constant but changing the
contents of the constant is ok.  In this case is that something that we want to do?

[~lmccay] You make a good point.  You can switch the mode from SSE_C to SSS_KMS to print out
the contents of the key.  This is mainly just for the toString method and can be removed.
 But if the user has the ability to switch modes, wouldn't they also have access to config
with the key?

I also don't believe the use case needs key versioning.  If that were to be supported that
would have much larger implications than this.

> 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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