name: AKA
full_form: Authentication and Key Agreement
context: to establish shared keys. Therefore, 3GPP can provide the "bootstrapping of application security" to authenticate the subscriber by defining a Generic Bootstrapping Architecture (GBA) based on AKA protocol. â¦ [TS 33.220 clause 4.3.1]: The reference point Ub is between the UE and the BSF. Reference point Ub provides mutual authentication between the UE and the BSF. It allows the UE to bootstrap the session keys based on 3GPP AKA infrastructure. The HTTP Digest AKA protocol, which is specified in RFC 3310, is used on the reference point Ub. It is based on the 3GPP AKA TS 33.102 protocol. The interface to the USIM is as specified in TS 31.102 and to the ISIM is as specified in TS 31.103.
description: AKA (Authentication and Key Agreement) is a protocol used for mutual authentication between the User Equipment (UE) and the Bootstrapping Server Function (BSF), enabling the establishment of shared keys and bootstrapping of application security. It is based on the Generic Bootstrapping Architecture (GBA) defined by 3GPP.
explanation: The text explicitly states that AKA is a protocol used for authentication and key agreement, referencing 3GPP standards. This classification aligns with the definition of a protocol as a set of rules governing communication between entities in a system.
section_title: F.1XCAP over Ut interface
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