@techreport{srose-smimelock-00, number = {draft-srose-smimelock-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-srose-smimelock/00/}, author = {Scott Rose}, title = {{Using Secure DNS to Assert S/MIME Usage}}, pagetotal = 8, year = 2013, month = sep, day = 23, abstract = {This draft defines and discusses the use of a new DNS resource record (RR) type to address S/MIME downgrade attacks. The SMIMELOCK RR allows a domain to convey general message security policy. Primarily, this RR allows the domain owner to advertise a policy that all legitimate messages from this domain will be signed by a verifiable certificate.}, }