The Client to Authenticator Protocol (CTAP) or X.1278 enables a roaming, user-controlled cryptographic authenticator (such as a smartphone or a hardware...

that he or she has possession and control of an authenticator. In the simplest case, the authenticator is a common password. Using the terminology of the...

authentication protocol is a type of computer communications protocol or cryptographic protocol specifically designed for transfer of authentication data...

communications (NFC). A roaming hardware authenticator conforms to the FIDO Client to Authenticator Protocol (CTAP), making WebAuthn effectively backward...

Extensible Authentication Protocol (EAP) is an authentication framework frequently used in network and internet connections. It is defined in RFC 3748...

primarily at a client–server model, and it provides mutual authentication—both the user and the server verify each other's identity. Kerberos protocol messages...

referred to as a U2F authenticator or a FIDO2 authenticator, respectively. A FIDO2 authenticator that also implements the CTAP1/U2F protocol is backward compatible...

combined. The authenticator checks the response against its own calculation of the expected hash value. If the values match, the authenticator acknowledges...

including the Code, Identifier, Length, Authenticator and optional Attribute fields. The Authenticator is used to authenticate the reply from the RADIUS server...

terms, during SRP (or any other PAKE protocol) authentication, one party (the "client" or "user") demonstrates to another party (the "server") that they...