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https://issues.apache.org/jira/browse/HADOOP-19197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18102223#comment-18102223
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ASF GitHub Bot commented on HADOOP-19197:
-----------------------------------------

hadoop-yetus commented on PR #8185:
URL: https://github.com/apache/hadoop/pull/8185#issuecomment-5197406592

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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   | -1 :x: |  patch  |   0m 16s |  |  
https://github.com/apache/hadoop/pull/8185 does not apply to trunk. Rebase 
required? Wrong Branch? See 
https://cwiki.apache.org/confluence/display/HADOOP/How+To+Contribute for help.  
|
   
   
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> S3A: Support AWS KMS Encryption Context
> ---------------------------------------
>
>                 Key: HADOOP-19197
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19197
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs/s3
>    Affects Versions: 3.4.0
>            Reporter: Raphael Azzolini
>            Assignee: Raphael Azzolini
>            Priority: Critical
>              Labels: pull-request-available
>
> S3A properties allow users to choose the AWS KMS key 
> ({_}fs.s3a.encryption.key{_}) and S3 encryption algorithm to be used 
> (f{_}s.s3a.encryption.algorithm{_}). In addition to the AWS KMS Key, an 
> encryption context can be used as non-secret data that adds additional 
> integrity and authenticity to check the encrypted data. However, there is no 
> option to specify the [AWS KMS Encryption 
> Context|https://docs.aws.amazon.com/kms/latest/developerguide/concepts.html#encrypt_context]
>  in S3A.
> In AWS SDK v2 the encryption context in S3 requests is set by the parameter 
> [ssekmsEncryptionContext.|https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/s3/model/CreateMultipartUploadRequest.Builder.html#ssekmsEncryptionContext(java.lang.String)]
>  It receives a base64-encoded UTF-8 string holding JSON with the encryption 
> context key-value pairs. The value of this parameter could be set by the user 
> in a new property {_}*fs.s3a.encryption.context*{_}, and be stored in the 
> [EncryptionSecrets|https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/delegation/EncryptionSecrets.java]
>  to later be used when setting the encryption parameters in 
> [RequestFactoryImpl|https://github.com/apache/hadoop/blob/f92a8ab8ae54f11946412904973eb60404dee7ff/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/RequestFactoryImpl.java].



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