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Content for  TS 31.102  Word version:  17.1.0

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4.4.5  Contents of files at the DF WLAN level |R6|Word‑p. 156
UICC File Structure: DF-WLAN under Universal Subscriber Identity Module (USIM) application, according to 3GPP TS-31.102
This clause describes the additional files that are used for WLAN purposes.
DFWLAN shall be present at the ADFUSIM level if either of the services No. 59, No. 60, No. 61, No. 62, No. 63, No. 66, No. 81, No. 82, No. 83, No. 84 or No. 88 are "available" in the corresponding EF UST (USIM Service Table).
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4.4.5.1  EFPseudo (Pseudonym)

If service No. 59 is "available", this file shall be present.
This EF contains a temporary user identifier (pseudonym) for subscriber identification. Pseudonyms may be provided as part of a previous authentication sequence. Pseudonyms are used as defined in TS 24.234.
Identifier: '4F41'Structure: TransparentOptional
SFI : '01'
File size: Y bytes (Y≥n+2)Update activity: high
Access Conditions:
READPIN
UPDATEPIN
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1 to 2Pseudonym LengthM2 bytes
3 to n+2PseudonymMn bytes
Pseudonym Length
Contents:
these bytes give the number of bytes of the following data item containing the Pseudonym value.
Coding:
unsigned length coded on 2 bytes
Pseudonym
Contents:
Pseudonym to be used as the username part of the NAI
Coding:
As described for the user portion of the NAI in TS 33.234. Unused bytes shall be set to 'FF' and shall not be considered as a part of the value.
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4.4.5.2  EFUPLMNWLAN (User controlled PLMN selector for I-WLAN Access)Word‑p. 157
If service No. 60 is "available", this file shall be present.
This EF contains the coding for preferred PLMNs to be used for WLAN PLMN Selection. This information is determined by the user and defines the preferred PLMNs of the user in priority order. The first PLMN entry indicates the highest priority and the nth PLMN entry indicates the lowest. It shall be possible to store at least the number of PLMNs specified in TS 24.234.
Identifier: '4F42'Structure: transparentOptional
SFI: '02'
File size: 3n (where n ≥10)Update activity: low
Access Conditions:
READPIN
UPDATEPIN
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1 to 31st PLMN (highest priority)M3 bytes
4 to 62nd PLMNM3 bytes
28 to 3010th PLMNM3 bytes
31 to 3311th PLMNO3 bytes
(3n-2) to 3nNth PLMN (lowest priority)O3 bytes
PLMN
Contents:
Mobile Country Code (MCC) followed by the Mobile Network Code (MNC).
Coding:
according to TS 24.008.
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4.4.5.3  EFOPLMNWLAN (Operator controlled PLMN selector for I-WLAN Access)

If service No. 61 is "available", this file shall be present.
This EF contains the coding for operator preferred PLMNs to be used for WLAN PLMN Selection. This information is determined by the operator and defines the operator preferred PLMNs in priority order. The first PLMN entry indicates the highest priority and the nth PLMN entry indicates the lowest. It shall be possible to store at least the number of PLMNs specified in TS 24.234.
Identifier: '4F43'Structure: transparentOptional
SFI: '03'
File size: 3n (where n ≥10)Update activity: low
Access Conditions:
READPIN
UPDATEADM
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1 to 31st PLMN (highest priority)M3 bytes
4 to 62nd PLMNM3 bytes
28 to 3010th PLMNM3 bytes
31 to 3311th PLMNO3 bytes
(3n-2) to 3nNth PLMN (lowest priority)O3 bytes
PLMN
Contents:
Mobile Country Code (MCC) followed by the Mobile Network Code (MNC).
Coding:
according to TS 24.008.
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4.4.5.4  EFUWSIDL (User controlled WLAN Specific Identifier List)Word‑p. 158
If service No. 62 is "available", this file shall be present.
This file contains the user preferred list of WLAN specific identifier (WSID) for WLAN selection in priority order. The first record indicates the highest priority and the nth record indicates the lowest. This file is used for WLAN selection and shall store a list of at least the number of WSIDs specified in TS 24.234.
Identifier: '4F44'Structure: linear fixedOptional
SFI: '04'
Record size: X+1 bytesUpdate activity: low
Access Conditions:
READPIN
UPDATEPIN
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1Length of WSIDM1 byte
2 to X + 1WSIDMX bytes
Length of WSID
Contents:
this byte gives the number of bytes of the following data item containing the WSID.
Coding:
unsigned length coded on one byte
WSID
Contents:
WLAN specific identifier (WSID) as defined in TS 24.234.
Coding:
binary. Unused bytes shall be set to 'FF' and not used either as a part of the value or for length calculation.
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4.4.5.5  EFOWSIDL (Operator controlled WLAN Specific IdentifierList)Word‑p. 159
If service No. 63 is "available", this file shall be present.
This file contains the operator preferred list of WLAN specific identifier (WSID) for WLAN selection in priority order. The first record indicates the highest priority and the nth record indicates the lowest. This file is used for WLAN selection It shall be possible to store at least the number of PLMNs specified in TS 24.234.
Identifier: '4F45'Structure: linear fixedOptional
SFI: '05'
Record size: X + 1 bytesUpdate activity: low
Access Conditions:
READPIN
UPDATEADM
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1Length of WSIDM1 byte
2 to X + 1WSIDMX bytes
Length of WSID
Contents:
this byte gives the number of bytes of the following data item containing the WSID.
Coding:
unsigned length coded on one byte
WSID
Contents:
WLAN specific identifier (WSID) as defined in TS 24.234.
Coding:
binary. Unused bytes shall be set to 'FF' and not used either as a part of the value or for length calculation.
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4.4.5.6  EFWRI (WLAN Reauthentication Identity)

If service No. 66 is "available", this file shall be present.
This EF contains a list of parameters linked to a re-authentication identity to be used in fast re-authentication. Re-authentication identities and related parameters (Master Key and Counter Value) are provided as part of a previous authentication sequence.
Identifier: '4F46'Structure: TransparentOptional
SFI: '06'
File size: n bytes, (n ≥ J+K+L+6)Update activity: high
Access Conditions:
READPIN
UPDATEPIN
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1Reauthentication Identity Tag '80'M1 byte
2Re-authentication Identity LengthM1 byte
3 to J+2Re-authentication Identity ValueMJ bytes
J+3Master Key Tag '81'M1 byte
J+4Master Key LengthM1 byte
J+5 to J+K+4Master Key ValueMK bytes
J+K+5Counter Tag '82'M1 byte
J+K+6Counter LengthM1 byte
J+K+7 to J+K+L+6Counter ValueML bytes
Reauthentication Identity
Contents:
Re-authentication identity TLV to be used as the username part of the NAI.
Coding:
Tag '80'
Unsigned length on 1 byte
Value: As described for the user portion of the NAI in TS 33.234. Unused bytes shall be set to 'FF' and shall not be considered as a part of the value.
Master Key
Contents:
Master Key TLV.
Coding:
Tag '81'
Unsigned length on 1 byte
Value: As described in TS 33.234.
Counter
Contents:
Counter TLV
Coding:
Tag '82'
Unsigned length on 1 byte
Value: As described in TS 33.234.
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4.4.5.7  EFHWSIDL (Home I-WLAN Specific Identifier List) |R8|Word‑p. 160
If service No. 81 is "available", this file shall be present.
This file contains the Home I-WLAN specific identifier list (WSID list) for I-WLAN selection in priority order. The WSIDs in this list are known to connect to the HPLMN. The first record indicates the highest priority and the nth record indicates the lowest. This file is used for I-WLAN selection. It shall be possible to store at least the number of WSIDs specified in TS 24.234.
Identifier: '4F47'Structure: linear fixedOptional
SFI: '07'
Record size: X + 1 bytesUpdate activity: low
Access Conditions:
READPIN
UPDATEADM
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1Length of WSIDM1 byte
2 to X + 1WSIDMX bytes
For contents and coding see EF OWSIDL.
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4.4.5.8  EFWEHPLMNPI (I-WLAN Equivalent HPLMN Presentation Indication) |R8|Word‑p. 161
If service No. 82 is "available", this file shall be present.
This EF contains an indication to the ME for the presentation of the available EHPLMN(s) during I-WLAN selection procedures. The usage of the I-WLAN EHPLMN presentation indication is defined in TS 24.234.
Identifier: '4F48'Structure: transparentOptional
SFI: '08'
File size: 1 byteUpdate activity: low
Access Conditions:
READPIN
UPDATEADM
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1I-WLAN EHPLMN Presentation IndicationM1 byte
I-WLAN EHPLMN Presentation Indication
Contents:
I-WLAN EHPLMN display mode
Coding:
  • '00' - No preference for the display mode
  • '01' - Display the highest-priority available EHPLMN only
  • '02' - Display all the available EHPLMNs
  • All other values are RFU
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4.4.5.9  EFWHPI (I-WLAN HPLMN Priority Indication) |R8|

If service No. 83 is "available", this file shall be present.
This EF contains an indication to the ME for the selection of the I-WLAN EHPLMN or the I-WLAN last Registered PLMN. The usage of the I-WLAN HPLMN Priority Indication file is defined in TS 24.234.
Identifier: '4F49'Structure: transparentOptional
SFI: '09'
File size: 1 byteUpdate activity: low
Access Conditions:
READPIN
UPDATEADM
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1I-WLAN Last RPLMN Selection IndicationM1 byte
I-WLAN Last RPLMN Selection Indication
Contents:
I-WLAN Last RPLMN Selection Indication
Coding:
  • '00' - The UE shall attempt registration on the last I-WLAN RPLMN as described in TS 24.234
  • '01' - The UE shall attempt registration on the I-WLAN home network as described in TS 24.234
  • All other values are RFU
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4.4.5.10  EFWLRPLMN (I-WLAN Last Registered PLMN) |R8|Word‑p. 162
If service No. 84 is "available", this file shall be present.
This EF contains I-WLAN Last Registered PLMN Selection. The usage of the I-WLAN Last Registered PLMN is defined in TS 24.234.
Identifier: '4F4A'Structure: transparentOptional
SFI: '0A'
File size: 3 bytesUpdate activity: low
Access Conditions:
READPIN
UPDATEPIN
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1 to 3I-WLAN Last Registered PLMNM3 bytes
I-WLAN Last Registered PLMN
Contents:
Mobile Country Code (MCC) followed by the Mobile Network Code (MNC).
Coding:
according to TS 24.008.
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4.4.5.11  EFHPLMNDAI (HPLMN Direct Access Indicator) |R8|

If service No. 88 is "available", this file shall be present.
This EF contains HPLMN Direct Access related informations. The usage of the HPLMN Direct Access Indicator file is defined in TS 24.234.
Identifier: '4F4B'Structure: transparentOptional
SFI: '0B'
File size: 1 byteUpdate activity: low
Access Conditions:
READPIN
UPDATEADM
DEACTIVATEADM
ACTIVATEADM
Bytes Description M/O Length
1HPLMN Direct Access IndicationM1 byte
HPLMN Direct Access Indication
Contents:
HPLMN Direct Access Indication
Coding:
  • '00' - HPLMN Direct Access Indicator is disabled
  • '01' - HPLMN Direct Access Indicator is enabled
  • All other values are RFU
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