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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10791) AuthenticationFilter should support externalizing the secret for signing and provide rotation support
Date Fri, 01 Aug 2014 23:45:40 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Kanter updated HADOOP-10791:
-----------------------------------

    Attachment: HADOOP-10791.patch

The patch addresses Tucu's comments.

I spoke with him about hist last point (the logic change) and we decided it should be fine
to leave the code where it is and instead not create new arrays and document that these should
not be modified by the caller.  I also added findbugs excludes for this.

> AuthenticationFilter should support externalizing the secret for signing and provide
rotation support
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-10791
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10791
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 2.4.1
>            Reporter: Alejandro Abdelnur
>            Assignee: Robert Kanter
>         Attachments: HADOOP-10791.patch, HADOOP-10791.patch, HADOOP-10791.patch
>
>
> It should be possible to externalize the secret used to sign the hadoop-auth cookies.
> In the case of WebHDFS the shared secret used by NN and DNs could be used. In the case
of Oozie HA, the secret could be stored in Oozie HA control data in ZooKeeper.
> In addition, it is desirable for the secret to change periodically, this means that the
AuthenticationService should remember a previous secret for the max duration of hadoop-auth
cookie.



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