Download Specifications

The FIDO Alliance has two sets of specifications, U2F and UAF. These specifications are now considered final. The Alliance is providing support for deployers of the technology by operating the new fido-dev@fidoalliance.org public discussion list.

The latest revisions will always be available on the specifications download page.

graphic_FIDOExperience_SM

IF YOU ARE NOT YET A MEMBER OF THE FIDO ALLIANCE, AND YOU WOULD LIKE TO COMMENT ON OUR PUBLIC DRAFT SPECIFICATIONS, PLEASE USE THE CONTACT US FORM.

UAF Specifications

U2F Specifications

Stay InformedGet the latest updates and news from the FIDO Alliance