# `mdx/int_edugain` Resources associated with the eduGAIN interfederation. Certificates: * `mds-v2.cer` is the certificate used to sign the eduGAIN metadata aggregate at `https://mds.edugain.org/edugain-v2.xml` from mid-2022. * `mds-v1-1.cer` is the certificate used to sign the eduGAIN metadata aggregate at `https://mds.edugain.org/edugain-v1.xml` from early 2021 until mid-2022. See <https://technical.edugain.org/metadata> for details.