Introduction
One of the first tasks the OIDCre group engaged with is to discuss and document a consistent way for mapping identifiers (sub) and attributes (claims) between SAML and OIDC, in the context of how we use these in the R&E community.
Most of the discussion can be found in the OIDCre mailing list archives (https://lists.refeds.org/sympa/arc/oidcre)
These discussion have lead to the creation of a (DRAFT) recommendation, which is currently (July 2018) under discussion and is supposed to be presented to the REFEDs community for formal consultation by Oct 2018 at REFEDS39
DRAFT
White Paper for implementation of mappings between SAML 2.0 and OpenID Connect in Research and Education - https://docs.google.com/document/d/1b-Mlet3Lq7qKLEf1BnHJ4nL1fq-vMe7fzpXyrq2wp08/edit?usp=sharing