name: TLS
full_form: Transport Layer Security
context: CA: A CA that issues end entity TLS client certificates to TLS entities within a particular operator's security domain. - NF TLS server CA: A CA that issues end entity TLS server certificates to TLS entities within a particular operator's security domain. - SCP TLS client/server CA: A CA that issues intra-domain certificates to SCP TLS client/server. - SEPP TLS client/server CA: A CA that issues inter-domain certificates to SEPP TLS client/server. - NF TLS server: TLS entities acting as 5G NF producers (e.g., AMF, SMF) are provisioned with TLS server certificates issued by the TLS server CA. - NF TLS client: TLS entities acting as 5G NF consumers (e.g., AMF, SMF) are provisioned with TLS client certificates issued by the TLS client CA. - SCP TLS client/server or SEPP TLS client/server: The SCP TLS client/server or SEPP TLS client/server act as the intermediary point between the NF TLS client and NF TLS server, assisting TLS entities to establish intra-domain or inter-domain TLS
description: Transport Layer Security (TLS) is a cryptographic protocol used for secure communication over networks. In the context of 3GPP TS 33.876, it refers to the use of TLS for securing communications between network functions and entities within the 5G core network.
explanation: The text explicitly states that TLS is a "cryptographic protocol" used for "secure communication", aligning with the definition of a protocol as a set of rules governing data transmission.
section_title: 6.4.2.1	General architecture
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