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From Thorton Timms <>
Subject Re: Single Sign-On with Accumulo
Date Wed, 05 Dec 2012 15:01:14 GMT
Just to clarify, the suggestions is that after a user authenticates to a
web service, that web service identifies the authorization of the user and
the web service passes credientials of the appropriate level to
Accumulo.  Correct? The web service acts like a broker of authorization?

There are many potential uses for a cell based security database.  One use
is in securing DoD data of different security classifications (hence part
of the reason for NSA involvement in the Accumulo project).  However, I
don't think the above method of user authorization would pass DoD
accredidation.  At least, it would be very difficult to get accredited.
Has the web service authentication broker method ever been used in a system
that has been accredited?

When will Accumulo 1.5 be released?


On Tue, Dec 4, 2012 at 8:42 AM, John Vines <> wrote:

> Accumulo 1.4 handles all of it's security internally, so you can't rely on
> an external service for managing the user space. However, you can have a
> web service which handles passing accumulo credentials down into the system
> so you don't have to worry about the web service doing anything too
> elaborate.
> Accumulo 1.5 is slated to have a pluggable security structure, which will
> support a variety of SSO mechanisms.
> John
> On Tue, Dec 4, 2012 at 10:26 AM, Thorton Timms <>wrote:
>> Are there single sign-on options for Accumulo (like SAML or CAS or
>> something else)?
>> I'm interested in using Accumulo's cell-level security behind a web
>> service.  The web service would require authentication that I would like to
>> pass on to Accumulo.  This would allow Accumulo to handle the filtering of
>> requests results based on the users authorization, instead of the web
>> service having to do it.  Is this possible?
>> Thanks,
>> Thorton

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