ETSI - TS 131 115
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Secured packet structure for (Universal) Subscriber Identity Module (U)SIM Toolkit applications
Organization: | ETSI |
Publication Date: | 1 April 2022 |
Status: | active |
Page Count: | 20 |
scope:
The present document specifies the structure of the Secured Packets in implementations using Short Message Service Point to Point (SMS-PP), Short Message Service Cell Broadcast (SMS-CB), Unstructured Supplementary Service Data (USSD) and and Hyper Text Transfer Protocol (HTTP) based on ETSI TS 102 225 [9].
The structure of the Secured Packets shall comply with the one defined in ETSI TS 102 225 [9]. The present document only contains additional requirements or explicit limitations for SIM/USIM applications.
It is applicable to the exchange of secured packets between an entity in a PLMN and an entity in the (U)SIM.
Secured Packets contain application messages to which certain mechanisms according to ETSI TS 102 224 [2] have been applied. Application messages are commands or data exchanged between an application resident in or behind the PLMN and on the (U)SIM. The Sending/Receiving Entity in the PLMN and the UICC are responsible for applying the security mechanisms to the application messages and thus turning them into Secured Packets.
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