RFC (part 1 of 4): Extensible Authentication Protocol Method for 3rd Generation Authentication and Key Agreement (EAP-AKA). RFC Extensible Authentication Protocol Method for 3rd Generation Authentication and Key Agreement (EAP-AKA), January Canonical URL. Extensible Authentication Protocol, or EAP, is an authentication framework frequently used in EAP Transport Layer Security (EAP-TLS), defined in RFC , is an IETF open standard that uses the . EAP-AKA is defined in RFC .

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Fast Re-Authentication Username The username portion of fast re-authentication identity, i. It provides a protected communication channel, when mutual authentication is successful, for both parties to communicate and is designed for authentication over insecure networks ffc as IEEE The encrypted data is not shown in the figures of this section.

Terms and Conventions Used in This Document The “home environment” refers to the home operator’s authentication network infrastructure.

The alternative is to use device passwords instead, but then the device is validated on the network not the user. It does not specify an Internet standard of any kind. EAP is not a wire protocol ; instead it only defines message formats.

Arkko Request for Comments: In this document, the term nonce is only used to denote random nonces, and it is not used to denote counters. Random number generated by the AuC, bits.

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Communicating the Peer Identity to the Server Figure 2 shows how the EAP server rejects the Peer due to a failed authentication.


If this process is successful the AUTN is valid and the sequence number used to generate AUTN is within the correct rangethe identity module produces an authentication result RES and sends it to the home environment.

This page was last edited on 21 Decemberat The EAP-POTP method provides two-factor aak authentication, meaning that a user needs both physical access to a token and knowledge of a personal identification number PIN to perform authentication.

Network Working Group J.

EAP Types – Extensible Authentication Protocol Types information

AKA authentication may then be retried with a new authentication vector generated using the synchronized sequence number. Fast Re-Authentication Identity A fast re-authentication identity of the peer, including an NAI realm portion in environments where a realm is used.

As specified in [ RFC ], the initial identity request is not required, and MAY be bypassed in cases where the network can presume the identity, such as when using leased lines, dedicated dial-ups, etc.

It is possible to use a different authentication credential and thereby technique in each direction. Protocol for Carrying Authentication for Network Access.

This is a requirement in RFC sec 7. It can use an existing and widely deployed authentication protocol and infrastructure, incorporating legacy password mechanisms and authentication databases, while the secure tunnel provides protection from eavesdropping and man-in-the-middle attack. Fast re-authentication is based on keys derived on full authentication.

Pseudonym Identity A pseudonym identity of the peer, including an NAI realm portion in environments where a realm is used.


R UIM is an application that is resident on devices such as smart cards, which may be fixed in the terminal or distributed by CDMA operators when removable. Archived from the original on AKA ffc in the following manner: Nonce A value that is used at most once or that is never repeated within the same cryptographic context. Requesting the Permanent Identity Fall Back on Full Authentication Rvc authenticator typically communicates with an EAP server that is rrc on a backend authentication server using an AAA protocol.

When verifying AUTN, the identity module may detect that the sequence number the network uses is not within the correct range. By using this site, you agree to the Terms of Use and Privacy Policy.

EAP Types – Extensible Authentication Protocol Types

PEAPv1 was defined in draft-josefsson-pppext-eap-tls-eap through draft-josefsson-pppext-eap-tls-eap[36] and PEAPv2 was defined in versions beginning with draft-josefsson-pppext-eap-tls-eap Network authentication fails The AKA uses shared secrets between the Peer and the Peer’s home operator, aep with a sequence number, to actually perform an authentication.

Format, Generation, and Usage of Peer Identities GSM cellular networks use a subscriber identity module card to carry out user authentication.

Sequence number used in the authentication process, 48 bits.