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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9392) Token based authentication and Single Sign On
Date Wed, 05 Jun 2013 13:10:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13675893#comment-13675893
] 

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

Kyle- thank you for thinking about this. I’m glad you like the pluggable token authenticator/validation.
Yes we also need to consider token transmission as you mentioned to protect it from being
leaked. It’s related to current Hadoop RPC/SASL and we need to seek a way or SASL mechanism
to implement the TokenAuthn method in current Hadoop security framework. It involves significant
work and does serve to be addressed in a separate JIRA. I will open a subtask JIRA accordingly
and let you know. Then we can discuss about this there.
                
> 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
>
>
> 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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