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https://issues.apache.org/jira/browse/HADOOP-14779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16129155#comment-16129155
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Rushabh S Shah commented on HADOOP-14779:
-----------------------------------------

Why not making {{CryptoCodec}} and {{Decryptor}} a member variable of 
{{DefaultCryptoExtension}} class?
All the {{DefaultCryptoExtension#decryptEncryptedKey}} will use the same 
instance for all the calls.

> Refactor decryptEncryptedKey in KeyProviderCryptoExtension
> ----------------------------------------------------------
>
>                 Key: HADOOP-14779
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14779
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: kms
>    Affects Versions: 2.6.0
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>            Priority: Minor
>         Attachments: HADOOP-14779.01.patch
>
>
> We could separate out the actual decrypt logic from the 
> {{decryptEncryptedKey}}. This enables reencrypt calls to possibly reuse the 
> codec.



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