IdP and algorithm support extensions in SP metadata

[Cantor, Scott]

> I won't go into the details about why this is desired, but is there any way to
> tell the IdP to *ignore* algorithm extensions in SP metadata, and to
> prioritize an entity attribute filter that is adding a securityConfig override to
> that SP entry?

No, there's no filtering option to remove that extension. I considered it because of all the incorrect metadata claiming (lack of) GCM support in InCommon, which prevents me forcing them over to GCM, but I never got around to it.

-- Scott