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From "Kevin Minder (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9533) Centralized Hadoop SSO/Token Server
Date Wed, 19 Jun 2013 14:09:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13688013#comment-13688013
] 

Kevin Minder commented on HADOOP-9533:
--------------------------------------

I'd like to provide another opportunity for anyone interested to discuss and prepare for the
DesignLounge @ HadoopSummit session on security. I'll have a WebEx running today at 5pmPT/8pmET/8amCT.
As before this will just be a discussion (no decisions) and we will summarize here following
the meeting. Here is the proposed high level agenda.

* Introductions
* Summarize previous call
* Discuss goals/agenda/logistics for security DesignLounge@HadoopSummit session
* Plan required preparatory material for the session

WebEx details
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Meeting information
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Topic: Hadoop Security
Date: Wednesday, June 19, 2013
Time: 5:00 pm, Pacific Daylight Time (San Francisco, GMT-07:00)
Meeting Number: 625 489 526
Meeting Password: HadoopSecurity
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To start or join the online meeting
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Go to https://hortonworks.webex.com/hortonworks/j.php?ED=256673687&UID=508554752&PW=NZDdjOTcyNzdi&RT=MiM0
-------------------------------------------------------
Audio conference information
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Access code:625 489 526
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For assistance
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> Centralized Hadoop SSO/Token Server
> -----------------------------------
>
>                 Key: HADOOP-9533
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9533
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: security
>            Reporter: Larry McCay
>         Attachments: HSSO-Interaction-Overview-rev-1.docx, HSSO-Interaction-Overview-rev-1.pdf
>
>
> This is an umbrella Jira filing to oversee a set of proposals for introducing a new master
service for Hadoop Single Sign On (HSSO).
> There is an increasing need for pluggable authentication providers that authenticate
both users and services as well as validate tokens in order to federate identities authenticated
by trusted IDPs. These IDPs may be deployed within the enterprise or third-party IDPs that
are external to the enterprise.
> These needs speak to a specific pain point: which is a narrow integration path into the
enterprise identity infrastructure. Kerberos is a fine solution for those that already have
it in place or are willing to adopt its use but there remains a class of user that finds this
unacceptable and needs to integrate with a wider variety of identity management solutions.
> Another specific pain point is that of rolling and distributing keys. A related and integral
part of the HSSO server is library called the Credential Management Framework (CMF), which
will be a common library for easing the management of secrets, keys and credentials.
> Initially, the existing delegation, block access and job tokens will continue to be utilized.
There may be some changes required to leverage a PKI based signature facility rather than
shared secrets. This is a means to simplify the solution for the pain point of distributing
shared secrets.
> This project will primarily centralize the responsibility of authentication and federation
into a single service that is trusted across the Hadoop cluster and optionally across multiple
clusters. This greatly simplifies a number of things in the Hadoop ecosystem:
> 1.	a single token format that is used across all of Hadoop regardless of authentication
method
> 2.	a single service to have pluggable providers instead of all services
> 3.	a single token authority that would be trusted across the cluster/s and through PKI
encryption be able to easily issue cryptographically verifiable tokens
> 4.	automatic rolling of the token authority’s keys and publishing of the public key
for easy access by those parties that need to verify incoming tokens
> 5.	use of PKI for signatures eliminates the need for securely sharing and distributing
shared secrets
> In addition to serving as the internal Hadoop SSO service this service will be leveraged
by the Knox Gateway from the cluster perimeter in order to acquire the Hadoop cluster tokens.
The same token mechanism that is used for internal services will be used to represent user
identities. Providing for interesting scenarios such as SSO across Hadoop clusters within
an enterprise and/or into the cloud.
> The HSSO service will be comprised of three major components and capabilities:
> 1.	Federating IDP – authenticates users/services and issues the common Hadoop token
> 2.	Federating SP – validates the token of trusted external IDPs and issues the common
Hadoop token
> 3.	Token Authority – management of the common Hadoop tokens – including: 
>     a.	Issuance 
>     b.	Renewal
>     c.	Revocation
> As this is a meta Jira for tracking this overall effort, the details of the individual
efforts will be submitted along with the child Jira filings.
> Hadoop-Common would seem to be the most appropriate home for such a service and its related
common facilities. We will also leverage and extend existing common mechanisms as appropriate.

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