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The purpose of this pilot is to build a setup in which users can access X.509-based resources without the need for them to understand the intricacies of a PKI. The pilot requires an online CA, plus a scalable trust model applicable for the multi-infrastructure-multi-federation European research landscape.

A high-level introduction is given in the this AARC blog post

Detailed description

A detailed description can be found in these wiki pages.

The setup consists of

  • An online CA:
  • Several Master Portals, run by e.g. EGI, ELIXIR.
  • Many VO-portal, also known as Science Gateways.

The online CA is a service provider which has entered eduGAIN, and has as CA been accredited by IGTF (as a so-called IOTA CA). In order to protect the service, a filtering WAYF has been implemented which only accepts Identity Providers that publish the R&S set of attributes and are conforming to the Sirtfi. The combined service is running on a production level. The Master Portals run by EGI and ELIXIR are running as pilot services.

A sustainability study for the model has been produced by AARC-NA3.


We have created two demonstrator Master Portal clients, which talk to a semi-production Master Portal (running for EGI), serviced by the production online CA. We also have setup a test VOMS service with test VO, to test and showcase the integration with a VOMS attribute authority. The two demonstrators are:

  1. a simple PHP program showing the basic API and handshake, with a possibility to execute the same demonstrator code. The code additionally shows how to integrate with VOMS or how to specify a specific IdP at the WAYF.
  2. a simple Science Gateway allowing access to a gsiftp-enabled storage service (a test dCache instance, This shows how X.509-based storage elements can be accessed using a science gateway, where authorization is based on VOMS attributes (group membership etc.).


  • online CA is based on CILogon-software from the US-based CILogon project. A few adaptations had to be made to conform to European privacy regulations. The backend CA is based on a myproxy-server with an eToken as simple HSM plus some extra software to run the CA on a separate network.
  • The Master Portal is also based on the same software, implementing simultaneously an OA4MP client and server plus glue to connect the two. It has a backend myproxy-server for credential caching.

The adaptations of the code for this pilot can be found on the github repository.


  • ansible scripts for setting up a Delegation Server (online CA) or a Master Portal
  • SimpleSAMLPHP has been used to build a filtering WAYF.
  • A VOMS server to run a test VO.
  • some simple PHP clients to test the flow and make a demonstrator.
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