the certificate used by the idp to sign requests. Choice between a textarea and an upload field. Store the certificate into var/config/saml/Pidp_sig.crt and set certs_signing_files=idp_sig.crt.
the certificated used by the idp to encrypt requests. Choice between a textarea and an upload field. Store the certificate into var/config/saml/idp_encrypt.crt and set certs_encryption_files=idp_encrypt.crt. certs_encryption_files. sometimes it is the same to sign requests.
the samladmin module should provide a form to edit the identity provider (Idp) configuration, so the content of the
saml:idpsection.singleSignOnServiceUrl,singleLogoutServiceUrl,singleLogoutServiceResponseUrlvar/config/saml/Pidp_sig.crtand setcerts_signing_files=idp_sig.crt.var/config/saml/idp_encrypt.crtand setcerts_encryption_files=idp_encrypt.crt.certs_encryption_files. sometimes it is the same to sign requests.