Extensible Authentication Protocol (EAP) 2021-09-21 2022-01-07 Tuomas Aura, Mohit Sethi Specification Required 0 Reserved 1 ECDHE curve Curve25519 , public-key format , hash function SHA-256 . The JWK encoding of Curve25519 public key is defined in . For clarity, the "crv" parameter is "X25519", the "kty" parameter is "OKP", and the public-key encoding contains only an x-coordinate. 2 ECDHE curve NIST P-256 FIPS186-4, public-key format , hash function SHA-256 . The JWK encoding of NIST P-256 public key is defined in . For clarity, the "crv" parameter is "P-256", the "kty" parameter is "EC", and the public-key encoding has both an x and y coordinate, as defined in Section 6.2.1 of . 3-65535 Unassigned Tuomas Aura, Mohit Sethi Specification Required 0 Error Error notification 1 All exchanges PeerId and PeerState discovery 2 Initial Version, cryptosuite, and parameter negotiation 3 Initial Exchange of ECDHE keys and nonces 4 Waiting Indication to the peer that the server has not yet received an OOB message 5 Completion NoobId discovery 6 Completion Authentication and key confirmation with HMAC 7 Reconnect Version, cryptosuite, and parameter negotiation 8 Reconnect Exchange of ECDHE keys and nonces 9 Reconnect Authentication and key confirmation with HMAC 10-65535 Unassigned Tuomas Aura, Mohit Sethi 6001-6999 Private and Experimental Use All other values Specification Required 1001 Invalid NAI 1002 Invalid message structure 1003 Invalid data 1004 Unexpected message type 1005 Invalid ECDHE key 2001 Unwanted peer 2002 State mismatch, user action required 2003 Unrecognized OOB message identifier 2004 Unexpected peer identifier 3001 No mutually supported protocol version 3002 No mutually supported cryptosuite 3003 No mutually supported OOB direction 4001 HMAC verification failure 5001 Application-specific error 5002 Invalid server info 5003 Invalid server URL 5004 Invalid peer info 6001-6999 Reserved for Private and Experimental Use Tuomas Aura, Mohit Sethi Specification Required Type RFC9140, Section 4 ServerName RFC9140, Section 4 ServerURL RFC9140, Section 4 SSIDList RFC9140, Section 4 Base64SSIDList RFC9140, Section 4 Tuomas Aura, Mohit Sethi Specification Required Type RFC9140, Section 4 PeerName RFC9140, Section 4 Manufacturer RFC9140, Section 4 Model RFC9140, Section 4 SerialNumber RFC9140, Section 4 MACAddress RFC9140, Section 4 SSID RFC9140, Section 4 Base64SSID RFC9140, Section 4 BSSID RFC9140, Section 4