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https://issues.apache.org/jira/browse/HADOOP-9479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13640727#comment-13640727
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Benoy Antony commented on HADOOP-9479:
--------------------------------------

The SaslClient and Sasl server implementations accept parameters including 
Callbackhandlers. These parameters could be independent of Hadoop or the Sasl 
Implementation.  The custom layer allows the user to specify these parameters.

I was studying the related SASL jiras. With those changes, the mechanism of 
plugging in AuthenticationMethods is going to change. I'll contribute to those 
jiras.
                
> Ability to plugin custom authentication mechanisms based on Jaas and Sasl
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-9479
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9479
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>         Attachments: customauthentication.pdf, HADOOP-9479.patch
>
>
> Currently, it is not possible to hookup new/modified authentication mechanism 
> to Hadoop.
> The task is to create an extension in hadoop to plugin new Authentication 
> mechanism. The new authentication mechanism should have both Jaas and Sasl 
> implementations.

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