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TS 31.105
Characteristics of the
Slice Subscriber Identity Module (SSIM)
Application

3GPP‑Page   ETSI‑search  
V18.2.0 (PDF)  2024/09  … p.
Rapporteur:
Mr. COLLET, Hervé
THALES

full Table of Contents for  TS 31.105  Word version:  18.1.0

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0 Introduction  1 Scope  2 References  3 Definitions of terms, symbols and abbreviations  4 Contents of the Files  5 Application protocol  6 Security features  7 SSIM commands  A EF changes via Data Download or USAT applications  B Suggested contents of the EFs at pre-personalization  C List of SFI Values  D Tags defined in 31.105  E Allocated 3GPP PIX numbers  $ Change history 

 

0  Introduction  p. 6

The present document defines the Slice Subscriber Identity Module (SSIM) application. This application resides on the UICC as specified in TS 31.101. In particular, TS 31.101 specifies the application independent properties of the UICC/terminal interface such as the physical characteristics and the logical structure.
TS 31.101 is one of the core documents for this specification and is therefore referenced in many places in the present document.
UICC detection clause is removed as useless in case of SSIM, the UICC detection is following the USIM requirement as USIM always selected for primary authentication.
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1  Scope  p. 7

The present document defines the SSIM application for 3GPP telecom network operation related to Network Slice-Specific Authentication and Authorization procedure.
The present document specifies:
  • specific command parameters;
  • file structures;
  • contents of EFs (Elementary Files);
  • security functions;
  • application protocol to be used on the interface between UICC (SSIM) and ME.
This is to ensure interoperability between a SSIM and an ME independently of the respective manufacturer, card issuer or operator.
The present document does not define any aspects related to the administrative management phase of the SSIM. Any internal technical realisation of either the SSIM or the ME is only specified where these are reflected over the interface. The present document does not specify any of the security algorithms which may be used.
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2  References  p. 7

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 31.101: "UICC-Terminal Interface, Physical and Logical Characteristics".
[3]
ISO/IEC 7816-4: "Integrated circuit cards, Part 4: Organization, security and commands for interchange".
[4]
ISO/IEC 8825-1 (2008): "Information technology - ASN.1 encoding rules : Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER)".
[5]
TS 23.003: "Numbering, Addressing and Identification".
[6]
TS 33.501: "Security Architecture and procedures for 5G system".
[7]
ETSI TS 101 220: "Smart cards; ETSI numbering system for telecommunication application providers".
[8]
RFC 3748:  "Extensible Authentication Protocol (EAP)".
[9]
RFC 2716:  "PPP EAP TLS Authentication Protocol".
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3  Definitions of terms, symbols and abbreviations  p. 8

3.1  Terms  p. 8

For the purposes of the present document, the terms given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
PIN/ADM:
A terminal is required to evaluate the access condition and verify it in order to access the EF if the access condition is set to PIN or PIN2.
Slice SIM:
UICC application residing on the UICC, providing necessary mechanism for Network Slice-Specific Authentication and Authorization (NSSAA).
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3.2  Symbols  p. 8

For the purposes of the present document, the following symbols apply:
||
Concatenation

3.3  Abbreviations  p. 8

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
AAA-S
Authentication, Authorization and Accounting Server
AID
Application Identifier
EF
Elementary File
EAP
Extensible Authentication Protocol
NSSAA
Network Slice-Specific Authentication and Authorization
PIN
Personal Identification Number
SD
Slice Differentiator
SSIM
Slice Subscriber Identity Module
SST
Slice/Service type
S-NSSAI
Single Network Slice Selection Assistance Information
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3.4  Coding Conventions  p. 8

The following coding conventions apply to the present document.
All lengths are presented in bytes, unless otherwise stated. Each byte is represented by bits b8 to b1, where b8 is the most significant bit (MSB) and b1 is the least significant bit (LSB). In each representation, the leftmost bit is the MSB.
The coding of Data Objects in the present document is according to TS 31.101.
'XX':
Single quotes indicate hexadecimal values. Valid elements for hexadecimal values are the numbers '0' to '9' and 'A' to 'F'.
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4  Contents of the Files  p. 8

4.1  Contents of the EFs at the MF level  p. 9

4.2  Contents of files at the SSIM ADF (Application DF) level  p. 9

4.2.1  EFARR (Access Rule Reference)  p. 9

4.2.2  EFEAPID (EAP Identifier)  p. 9

4.2.3  EFNSSAI (S-NSSAI List)  p. 10

4.2.4  EFEAPSTATUS (EAP Authentication Status)  p. 11

4.3  SSIM file structure  p. 11

5  Application protocol  p. 12

5.1  SSIM management procedures  p. 12

5.1.0  SSIM identification  p. 12

5.1.1  SSIM initialisation  p. 12

5.1.1.1  SSIM application selection  p. 12

5.1.1.2  SSIM initialisation  p. 12

5.1.2  SSIM session termination  p. 13

5.1.3  SSIM application closure  p. 13

5.1.4  EAP Identifier request  p. 13

5.1.5  S-NSSAI list request  p. 13

5.2  SSIM security related procedures  p. 13

5.2.1  Authentication procedure  p. 13

6  Security features  p. 13

6.0  General  p. 13

6.1  User verification and file access conditions  p. 13

7  SSIM commands  p. 14

7.0  Introduction  p. 14

7.1  Status Conditions returned by the SSIM  p. 14

7.1.0  General  p. 14

7.1.1  Security management  p. 14

7.1.2  Application errors  p. 14

7.1.3  Status Words of the Commands  p. 15

7.2  AUTHENTICATE  p. 15

7.2.1  Command description  p. 15

7.2.2  Command parameters and data  p. 17

7.2.3  Response data  p. 18

A  EF changes via Data Download or USAT applications  p. 19

B  Suggested contents of the EFs at pre-personalization  p. 20

C (Normative)  List of SFI Values  p. 21

C.1  List of SFI Values at the SSIM ADF Level  p. 21

D  Tags defined in 31.105  p. 22

E (Normative)  Allocated 3GPP PIX numbers  p. 23

$  Change history  p. 24

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