On Sep 10, 2007, at 10:03 AM, Olivier Ricou wrote:

die 10/09/07, ad 16h40, John Sanabria <[EMAIL PROTECTED]> dixit :
Hi Olivier,

I understand you, many times is like crying to desert. ;-)

Well, at least I can read the sources (argh, perl)...

Now, I suggest you, use MyProxy Service for client authentication, and let
simpleCA for server authentication.

I never used MyProxy (and I should, thanks) but it seems you still need to
make certificates for the users.

For large-scale grid projects, almost every country in the world is served by a CA that is part of the International Grid Trust Federation (IGTF). Information about the IGTF and its CA distribution is available at

http://gridpma.org

IGTF certificates are accepted by almost all of the large-scale grid projects (LHC computing grid, Open Science Grid, PRAGMA, and many others) and can be used for authentication, and use in subsequent authorization lookups once the person's DN has been registered into the appropriate membership database for a particular project. The same certificate DN can be used in many projects, depending only on the person's own eligibility to participate in any given project.

The disadvantage of making your own CA, rather than obtaining one through the CA or CAs operating in your region, is that if you make your own, no one except people you make specific arrangements with will accept a certificate from a privately-run CA of this nature. Hence, for large projects, you are better off obtaining a certificate from an IGTF-accredited CA.

Hope this helps,

Alan Sill, Ph.D
TIGRE Senior Scientist, High Performance Computing Center
Adjunct Professor of Physics
TTU

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