Class identifier: urn:oasis:names:tc:SAML:2.0:ac:classes:MobileTwoFactorContract Document identifier: sstc-saml-schema-authn-context-mobiletwofactor-reg-2.0 Location: http://www.oasis-open.org/committees/documents.php?wg_abbrev=security Revision history: V2.0 CD-03 (December, 2004): New authentication context class schema for SAML V2.0.