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Coordinator: Peter Solagna/EGI.eu

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This wiki page contains the information about a proof of concept to enable SAML credentials on EGI services. This task is a joint activity between SURFnet and EGI.


The goal of this activity is to use federated identity credentials, specifically SAML ones, directly in the services without using any X509 credential to bridge to EGI services. The main objective is to demonstrate that user communities can manage independently user membership and user authorization on the services in a coordinated way, with a similar workflow as it is done now with the VOMS services. The goal of this activity is not to deploy production services, but to test the technical feasibility of the integration of SAML technology in the EGI services, maintaining the features that user need to manage their communities in a distributed infrastructure.


The working group will test the technical services from October to December 2015. At the end of this period a short report with the outcomes and the technical suggestions will be prepared and potentially attached to EGI-Engage project deliverables.




Currently the following sites are participating to the proof of concept:

Please note that as a IdP proxy, OpenConext itslef also acts as an SP towards connected IdPs

Identity providers:

Attribute providers:

How to Join

Contact: peter.solagna@egi.eu

Technical Information

Summary of the technical information gathered by the working group.

Attributes needed by cloud stack

TODO: List of attributes required by the cloud stacks in order to do the authorization decision.

Attribute friendly name SAML2 formal name Attribute syntax Example of value
eduPersonTargetedID urn:oid: xsd:anyURI urn:mace:uchicago.edu:classes:autumn2004:phys12100.003<
displayName urn:oid:2.16.840.1.113730.3.1.241 xsd:string
mail urn:oid:0.9.2342.19200300.100.1.3 xsd:string
eduPersonPrincipalName urn:oid:
eduPersonEntitlement URN:OID: urn:mace:egi.eu:EGIpilotCloud
virtual-organization http://dci-sec.org/saml/attribute/virtual-organization xsd:string <AttributeValue xsi:type="xsd:string">example.vo.org</AttributeValue>
group http://dci-sec.org/saml/attribute/group xsd:string <AttributeValue xsi:type="xsd:string">/atlas/it</AttributeValue>

Note: VO attributes have been taken from a SAML profile defined within EMI: CERN twiki.

Metadata of service providers and identity providers

Service providers

Service provider Cloud stack Link to metadata Endpoint to the cloud service GUI
INFN-Bari Openstack Icehouse https://prisma-test.ba.infn.it:5000/egi-acs/Shibboleth.sso/Metadata https://prisma-test.ba.infn.it:5000/v3/OS-FEDERATION/identity_providers/egi-acs/protocols/saml2/auth
CESNET OpenNebula 4.x https://crebain2.ics.muni.cz/Shibboleth.sso/Metadata https://crebain2.ics.muni.cz
LIP Openstack Juno https://nimbus.ncg.ingrid.pt:5000/Shibboleth.sso/Metadata
Okeanos/GRNET Synnefo v0.15.2 http://aai.grnet.gr/metadata.xml https://accounts.okeanos-global.grnet.gr/ui/login
NGI_SI OpenStack (Juno)
OpenConext SP Proxy SAML 2.0 SAML2INT profile https://wiki.surfnet.nl/download/attachments/47449729/OpenConextEGIPilot.xml
RENAM OpenNebula 4.x

Identity providers

IdP Protocol Link to metadata
OpenConext SAML 2.0 SAML2INT profile The Public SAML metadata (the entity descriptor) of the IdP Proxy

The Public SAML metadata (the entities descriptor) for all the IdPs


EGI SSO Shibboleth IdP 2.3.8 https://www.egi.eu/idp/shibboleth
HEXXA https://metadata.eduid.hu/hexaa-for-egi.xml
GRNET Delos Shibboleth IdP 2.4.χ http://aai.grnet.gr/metadata.xml

Attribute providers

AA Software Link to metadata Query attribute Provided attributes about existing EGI FedCloud users
Perun Shibboleth IdP 2.4.0 https://aa.cesnet.cz/metadata/aa-metadata.xml eduPersonPrincipalName sn, cn, givenName, displayName, mail

Cloud stack configuration tips



Configuring Keystone for Federation

OpenStack Identity API v3 OS-FEDERATION Extension

CERN setup using Icehouse


See SSP for OpenNebula at MTA SZTAKI

Additional info at opennebula

Plugin for 4.10.1: link


See Synnefo Admin Guide


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