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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9392) Token based authentication and Single Sign On
Date Thu, 04 Jul 2013 03:34:28 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13699737#comment-13699737
] 

Kai Zheng commented on HADOOP-9392:
-----------------------------------

Sure thing Larry. A lot of these updates predate last week’s discussion at the summit. Fortunately
the discussion at the summit was in line with our thinking on the required revisions from
discussing with others in the community prior to the summit.

The DISCUSS thread on common-dev is great for some approach discussions, thank you starting
that. For the design discussions and implementation feedback, in keeping with how it’s done
on most JIRAs in Apache, let's keep it focused on the JIRA. That way they are all in one place
for everyone to read on the JIRA itself and folks don’t have to hunt around for emails later.

I am looking forward to comments from everyone in the community. Request the community review
this design rev and provide their comments on the JIRA. Thanks in advance.
                
> Token based authentication and Single Sign On
> ---------------------------------------------
>
>                 Key: HADOOP-9392
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9392
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: security
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>             Fix For: 3.0.0
>
>         Attachments: token-based-authn-plus-sso.pdf, token-based-authn-plus-sso-v2.0.pdf
>
>
> This is an umbrella entry for one of project Rhino’s topic, for details of project
Rhino, please refer to https://github.com/intel-hadoop/project-rhino/. The major goal for
this entry as described in project Rhino was 
>  
> “Core, HDFS, ZooKeeper, and HBase currently support Kerberos authentication at the
RPC layer, via SASL. However this does not provide valuable attributes such as group membership,
classification level, organizational identity, or support for user defined attributes. Hadoop
components must interrogate external resources for discovering these attributes and at scale
this is problematic. There is also no consistent delegation model. HDFS has a simple delegation
capability, and only Oozie can take limited advantage of it. We will implement a common token
based authentication framework to decouple internal user and service authentication from external
mechanisms used to support it (like Kerberos)”
>  
> We’d like to start our work from Hadoop-Common and try to provide common facilities
by extending existing authentication framework which support:
> 1.	Pluggable token provider interface 
> 2.	Pluggable token verification protocol and interface
> 3.	Security mechanism to distribute secrets in cluster nodes
> 4.	Delegation model of user authentication

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