RFC Extensible Authentication Protocol Method for Global System for Mobile Communications (GSM) Subscriber Identity Modules (EAP-SIM), January . RFC (part 1 of 5): Extensible Authentication Protocol Method for Global System for Mobile Communications (GSM) Subscriber Identity Modules (EAP-SIM ). EAP-SIM RFC is a newly emerged EAP authentication The standard for EAP-SIM authentication is still in draft form with the IETF .
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Second generation mobile networks and third generation mobile networks use different authentication and key agreement mechanisms. The username portion of fast re-authentication identity, i.
If the MAC’s do not match, then the peer. EAP is not a wire protocol; instead it only defines message formats.
Extensible Authentication Protocol – Wikipedia
Distribution of this memo is unlimited. For example, in IEEE GSM authentication is based on a challenge-response mechanism. This phase is independent of other phases; hence, any other scheme in-band or out-of-band can be used in the future.
The tfc identity of the peer, including an NAI realm portion in environments where a realm is used. Archived from the original on February 9, In this document, the term nonce is only used to denote random nonces, and it is not used to denote counters.
It is more likely that the physical theft of a smart card would be noticed and the smart card immediately revoked than a typical password theft would be noticed. The EAP method protocol exchange is done in a minimum of four messages.
In-band provisioning—provide the peer with a shared secret to be used in secure phase 1 conversation. There have also been proposals to use IEEE The IETF has also not reviewed the security of the cryptographic algorithms. The 3rd generation AKA mechanism includes mutual authentication, replay protection, and derivation of rvc session keys. The fast re-authentication procedure is described in Section 5. The client can, but does not have to be authenticated via a CA -signed PKI certificate to the server.
It was co-developed by Funk Software and Certicom and is widely supported across platforms. Mutual Authentication and Triplet Exposure The GSM authentication and key exchange algorithms are aep-sim used in the fast re-authentication procedure. Fall Back to Full Authentication This packet may also include attributes for requesting the subscriber identity, as specified in Section 4.
Traditionally a smart card distributed by a GSM operator.
EAP-AKA and EAP-SIM Parameters
The highest security available is when the “private keys” of client-side certificate are housed in smart cards. This greatly simplifies the eapp-sim procedure since a certificate is not needed on every client. The authenticator typically communicates with an EAP server that is located on a backend authentication server using an AAA protocol.
There are currently about 40 different methods defined. Communicating the Peer Identity to the Server The peer has derived the same keying material, so the authenticator does not forward the keying material eap-sjm the peer along with EAP-Success.
EAP Types – Extensible Authentication Protocol Types
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 Username The username portion of fast re-authentication identity, i. EAP is not a wire protocol ; instead it only defines message formats. It does not specify an Internet standard of any kind. Wireless networking Computer access control protocols.
Views Read Edit View history. Microsoft Exchange Server Unleashed. Used on full authentication only. The password may be a low-entropy one and may be drawn from some set of possible passwords, like a dictionary, which is available to an eap-ism.
Because protected success indications are not used in this example, the EAP server sends the EAP-Success packet, indicating that the authentication was successful. Permanent Frc The permanent identity of the peer, including an NAI realm portion in environments where a realm is used.