name: BSF
full_form: Bootstrapping Server Function
context: the challenge response from the BSF to the UE, the BSF shall include parameters to WWW-Authenticate header as specified in RFC 3310 [6] with following clarifications: - the realm directive, set to the BSF address derived from the IMPI or IMSI according to 3GPP TS 23.003 [7]; c) In the message from the BSF to the UE, the BSF shall include bootstrapping transaction identifier (B-TID) and the key lifetime to an XML document in the HTTP response payload. The BSF may also include additional server specific data to the XML document. The XML schema definition of this XML document is given in Annex C. d) When responding to a challenge from the BSF, the UE shall include an Authorization header containing a realm directive set to the value as received in the realm directive in the WWW-Authenticate header. e) Authentication-Info header shall be included into the subsequent HTTP response after the BSF concluded that the UE has been authenticated. Authentication-Info header shall include the
description: The Bootstrapping Server Function (BSF) is a network component responsible for managing bootstrapping transactions between the User Equipment (UE) and the network. It handles challenge responses, authentication, and key lifetime management, playing a crucial role in securing network access.
explanation: The BSF is classified as a Network Function due to its involvement in controlling and managing UE access to the network, as evident from the context where it interacts with the UE for bootstrapping transactions, authentication, and key exchange.
section_title: 15.29.2Conformance requirement
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biotag_Description: O,B-Network Function,I-Network Function,I-Network Function,O,O,O,O,O,O,O,O,O,O,O,O,B-Device,I-Device,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O