Client to Authenticator Protocol

The Client to Authenticator Protocol (CTAP) or X.1278[1] enables a roaming, user-controlled cryptographic authenticator (such as a smartphone or a hardware security key) to interoperate with a client platform such as a laptop.

  1. ^ "X.1278: Client to authenticator protocol/Universal 2-factor framework". www.itu.int. Archived from the original on 2021-06-28. Retrieved 2021-06-28.