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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10719) Add generateEncryptedKey and decryptEncryptedKey methods to KeyProvider
Date Tue, 01 Jul 2014 22:35:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14049393#comment-14049393
] 

Arun Suresh commented on HADOOP-10719:
--------------------------------------

[~tucu00],
bq. KeyProviderCryptoExtension, the constructor should detect if the passed provider implements
CryptoExtension itself, if so use that instead creating a default one.

I couldn't add any more logic to the constructor, since I have to call super() or this() first..
So I've delegated this to a Factory class..

> Add generateEncryptedKey and decryptEncryptedKey methods to KeyProvider
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-10719
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10719
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 3.0.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Arun Suresh
>         Attachments: HADOOP-10719.1.patch, HADOOP-10719.2.patch, HADOOP-10719.patch,
HADOOP-10719.patch, HADOOP-10719.patch, HADOOP-10719.patch, HADOOP-10719.patch
>
>
> This is a follow up on [HDFS-6134|https://issues.apache.org/jira/browse/HDFS-6134?focusedCommentId=14036044&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14036044]
> KeyProvider API should  have 2 new methods:
> * KeyVersion generateEncryptedKey(String keyVersionName, byte[] iv)
> * KeyVersion decryptEncryptedKey(String keyVersionName, byte[] iv, KeyVersion encryptedKey)
> The implementation would do a known transformation on the IV (i.e.: xor with 0xff the
original IV).



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