Extensible Authentication Protocol (EAP) Registry

Created

  • 2004-04-09

Last Updated

  • 2026-08-31

Available Formats

Packet Codes

Registration Procedure(s)

  • Standards Action

Reference

  • RFC 3748: Extensible Authentication Protocol (EAP)

Available Formats

Value Description Reference
1 Request RFC 3748
2 Response RFC 3748
3 Success RFC 3748
4 Failure RFC 3748
5 Initiate RFC 6696
6 Finish RFC 6696
7-255 Unassigned

EAP Initiate and Finish Attributes

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6696: EAP Extensions for the EAP Re-authentication Protocol (ERP)

Available Formats

Type Description Payload Type Reference
0 Reserved RFC 6696
1 keyName-NAI TLV RFC 6696
2 rRK Lifetime TV RFC 6696
3 rMSK Lifetime TV RFC 6696
4 Domain name TLV RFC 6696
5 Cryptosuite list TLV RFC 6696
6 Authorization Indication TLV RFC 6696
7 Sequence number TV RFC 6630
8 ERP/AAK-Key TLV RFC 6630
9 pRK Lifetime TLV RFC 6630
10 pMSK Lifetime TLV RFC 6630
11 CAP-Identifier TLV RFC 6630
12-127 Unassigned
128 Called-Station-Id TLV RFC 6696
129 Calling-Station-Id TLV RFC 6696
130 NAS-Identifier TLV RFC 6696
131 NAS-IP-Address TLV RFC 6696
132 NAS-IPv6-Address TLV RFC 6696
133-191 Unassigned
192-255 Reserved for Private Use RFC 6696

Method Types

Expert(s)

  • Joseph Salowey

Reference

  • RFC 3748: Extensible Authentication Protocol (EAP)

Available Formats

Range Registration Procedures
1-191 Specification Required
192-253 Standards Action
254 Expanded Type
255 Experimental
256-4294967295 Specification Required
Value Description Reference
0 Reserved
1 Identity RFC 3748
2 Notification RFC 3748
3 Legacy Nak RFC 3748
4 MD5-Challenge RFC 3748
5 One-Time Password (OTP) RFC 3748
6 Generic Token Card (GTC) RFC 3748
7 Allocated RFC 3748
8 Allocated RFC 3748
9 RSA Public Key Authentication William Whelan
10 DSS Unilateral William Nace
11 KEA William Nace
12 KEA-VALIDATE William Nace
13 EAP-TLS RFC 5216
14 Defender Token (AXENT) Michael Rosselli
15 RSA Security SecurID EAP Magnus Nyström
16 Arcot Systems EAP Rob Jerdonek
17 EAP-Cisco Wireless Stuart Norman
18 GSM Subscriber Identity Modules (EAP-SIM) RFC 4186
19 SRP-SHA1 James Carlson
20 Unassigned
21 EAP-TTLS RFC 5281
22 Remote Access Service Steven Fields
23 EAP-AKA Authentication RFC 4187
24 EAP-3Com Wireless Albert Young
25 PEAP Ashwin Palekar
26 MS-EAP-Authentication Ashwin Palekar
27 Mutual Authentication w/Key Exchange (MAKE) Romain Berrendonner
28 CRYPTOCard Stephen M. Webb
29 EAP-MSCHAP-V2 Darran Potter
30 DynamID Pascal Merlin
31 Rob EAP Sana Ullah
32 Protected One-Time Password RFC 4793; Magnus Nyström
33 MS-Authentication-TLV Ashwin Palekar
34 SentriNET Joe Kelleher
35 EAP-Actiontec Wireless Victor Chang
36 Cogent Systems Biometrics Authentication EAP John Xiong
37 AirFortress EAP Richard Hibbard
38 EAP-HTTP Digest Oliver K. Tavakoli
39 SecureSuite EAP Matt Clements
40 DeviceConnect EAP David Pitard
41 EAP-SPEKE Don Zick
42 EAP-MOBAC Tom Rixom
43 EAP-FAST RFC 4851
44 ZoneLabs EAP (ZLXEAP) Darrin Bogue
45 EAP-Link Don Zick
46 EAP-PAX T. Charles Clancy
47 EAP-PSK RFC 4764
48 EAP-SAKE RFC 4763
49 EAP-IKEv2 RFC 5106
50 EAP-AKA' RFC 9048
51 EAP-GPSK RFC 5433
52 EAP-pwd RFC 5931
53 EAP-EKE Version 1 RFC 6124
54 EAP Method Type for PT-EAP RFC 7171
55 TEAP RFC 9930
56 EAP-NOOB RFC 9140
57 EAP-EDHOC RFC-ietf-emu-eap-edhoc-12
58-191 Unassigned
192-253 Unassigned
254 Reserved for the Expanded Type RFC 3748
255 Experimental RFC 3748
256-4294967295 Unassigned

EAP-FAST (value 43) Request-Action TLV (value 19) Action Codes

Note

See Flexible Authentication via Secure Tunneling Extensible Authentication Protocol (EAP-FAST) Parameters

Message Types

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6696: EAP Extensions for the EAP Re-authentication Protocol (ERP)

Available Formats

Value Description Reference
0 Reserved RFC 6696
1 Re-auth-Start, applies to Initiate Code only RFC 6696
2 Re-auth, applies to Initiate and Finish Codes RFC 6696
3-191 Unassigned
192-255 Reserved for Private Use RFC 6696

Re-authentication Cryptosuites

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 6696: EAP Extensions for the EAP Re-authentication Protocol (ERP)

Available Formats

Value Description Reference
0 Reserved RFC 6696
1 HMAC-SHA256-64 RFC 6696
2 HMAC-SHA256-128 RFC 6696
3 HMAC-SHA256-256 RFC 6696
4-191 Unassigned
192-255 Reserved for Private Use RFC 6696

EAP-TTLS AVP Usage

Registration Procedure(s)

  • IETF Review

Reference

  • RFC 5281: Extensible Authentication Protocol Tunneled Transport Layer Security Authenticated Protocol Version 0 (EAP-TTLSv0)

Note

The following table lists whether the AVP may appear in a packet from server to client ("Request") and/or in a packet from client to server ("Response"), and whether the AVP MUST be implemented ("MI").

Available Formats

Name Request Response MI Reference
User-Name X RFC 5281
User-Password X RFC 5281
CHAP-Password X RFC 5281
Reply-Message X RFC 5281
CHAP-Challenge X RFC 5281
EAP-Message X X X RFC 5281
MS-CHAP-Response X RFC 5281
MS-CHAP-Error X RFC 5281
MS-CHAP-NT-Enc-PW X RFC 5281
MS-CHAP-Domain X RFC 5281
MS-CHAP-Challenge X RFC 5281
MS-CHAP2-Response X RFC 5281
MS-CHAP2-Success X RFC 5281
MS-CHAP2-CPW X RFC 5281

EAP Initiate/Re-auth-Start Flags

Registration Procedure(s)

  • Standards Action or IESG Approval

Reference

  • RFC 6630: EAP Re-authentication Protocol Extensions for Authenticated Anticipatory Keying (ERP/AAK)

Available Formats

Flag Value Reference
(E) 0x80 RFC 6630

EAP Initiate/Re-auth Flags

Registration Procedure(s)

  • Standards Action or IESG Approval

Reference

  • RFC 6630: EAP Re-authentication Protocol Extensions for Authenticated Anticipatory Keying (ERP/AAK)

Available Formats

Flag Value Reference
(E) 0x10 RFC 6630
(L) 0x20 RFC 6696
(B) 0x40 RFC 6696
(R) 0x80 RFC 6696

EAP Finish/Re-auth Flags

Registration Procedure(s)

  • Standards Action or IESG Approval

Reference

  • RFC 6630: EAP Re-authentication Protocol Extensions for Authenticated Anticipatory Keying (ERP/AAK)

Available Formats

Flag Value Reference
(E) 0x10 RFC 6630
(L) 0x20 RFC 6696
(B) 0x40 RFC 6696
(R) 0x80 RFC 6696

EAP Lower Layers

Registration Procedure(s)

  • Expert Review

Expert(s)

  • Joseph Salowey

Reference

  • RFC 6677: Channel-Binding Support for Extensible Authentication Protocol (EAP) Methods

Available Formats

Value Lower Layer Reference
0 Reserved RFC 6677
1 Wired IEEE 802.1X RFC 6677
2 IEEE 802.11 (no-pre-auth) RFC 6677
3 IEEE 802.11 (pre-authentication) RFC 6677
4 IEEE 802.16e RFC 6677
5 IKEv2 RFC 6677
6 PPP RFC 6677
7 PANA (no pre-authentication) RFC 5191; RFC 6677
8 GSS-API RFC 7055; RFC 6677
9 PANA (pre-authentication) RFC 5873; RFC 6677
10 CoAP-EAP RFC 9820
11-255 Unassigned

EAP Provisioning Identifiers

Registration Procedure(s)

  • Expert Review

Expert(s)

  • Unassigned

Reference

  • RFC 9965: The eap.arpa. Domain and Extensible Authentication Protocol (EAP) Provisioning

Available Formats

NAI Method Type Reference
@noob.eap.arpa EAP-NOOB RFC 9140; RFC 9965
portal@tls.eap.arpa EAP-TLS RFC 9190; RFC 9965
tls-pok-dpp@teap.eap.arpa TEAP Reference RFC 9966

TEAP Identity-Type TLV (value 2) Registry

Note

See Tunnel Extensible Authentication Protocol (TEAP) Parameters

TEAP Error TLV (value 5) Error Codes

Note

See Tunnel Extensible Authentication Protocol (TEAP) Parameters

TEAP Request-Action TLV (value 8) Registry

Note

See Tunnel Extensible Authentication Protocol (TEAP) Parameters

TEAP PAC TLV (value 11) PAC Attribute Type Codes

Note

See Tunnel Extensible Authentication Protocol (TEAP) Parameters

TEAP PAC TLV (value 11) PAC-Type Type Codes

Note

See Tunnel Extensible Authentication Protocol (TEAP) Parameters

TEAP Trusted-Server-Root TLV (value 17) Credential-Format Codes

Note

See Tunnel Extensible Authentication Protocol (TEAP) Parameters

Contact Information

Name Contact URI Last Updated
Albert Young albert_young&3com.com 2001-12
Ashwin Palekar ashwinp&microsoft.com 2002-04
Darran Potter dpotter&cisco.com 2002-01
Darrin Bogue dbogue&zonelabs.com 2004-02
David Pitard david_pitard&phoenix.com 2003-02
Don Zick dzick&interlinknetworks.com 2004-04
James Carlson james.d.carlson&east.sun.com 2001-02
Joe Kelleher joe.kelleher&informer.co.uk 2002-04
John Xiong johnxiong&cogentsystems.com 2002-06
Magnus Nyström mnystrom&microsoft.com 2006-04-11
Matt Clements matt&iosoftware.com 2003-02
Michael Rosselli mrosselli&axent.com 1998-01
Oliver K. Tavakoli radagast&funk.com 2003-02
Pascal Merlin pmerlin&scrypto.fr 2002-01
Richard Hibbard rhibbard&fortresstech.com 2003-02
Rob Jerdonek rob&arcot.com 2000-05
Romain Berrendonner romain.berrendonner&sagem.com 2001-12
Sana Ullah palash78&globalctg.net 2002-02
Stephen M. Webb stephenw&cryptocard.com 2002-01
Steven Fields sfields&identix.com 2001-11
Stuart Norman snorm&cisco.com 2000-11
T. Charles Clancy clancy&cs.umd.edu 2005-06
Tom Rixom tom.rixom&alfa-ariss.com 2003-05
Victor Chang vchang&actiontec.com 2002-06
William Nace wanace&missi.ncsc.mil 1997-12
William Whelan bwhelan&nei.com 1997-12