4.2.87 EFNAFKCA (NAF Key Centre Address)
31.1023GPPCharacteristics of the Universal Subscriber Identity Module (USIM) applicationRelease 17TS
If service n°68 and service n°76 are "available", this file shall be present.
This EF contains one or more NAF Key Centre addresses. The first record in the EF shall be considered to be of the highest priority. The last record in the EF shall be considered to be the lowest priority.
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Identifier: ‘6FDD’ |
Structure: Linear fixed |
Optional |
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Record length: Z bytes |
Update activity: low |
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Access Conditions: READ PIN UPDATE ADM DEACTIVATE ADM ACTIVATE ADM |
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Bytes |
Description |
M/O |
Length |
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1 to Z |
NAF Key Centre TLV object |
M |
Z bytes |
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Unused bytes shall be set to ‘FF’.
NAF Key Centre tags
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Description |
Tag Value |
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NAF Key Centre address Tag |
’80’ |
NAF Key Centre information
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Description |
Value |
M/O |
Length (bytes) |
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NAF Key Centre address Tag |
’80’ |
M |
1 |
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Length |
X |
M |
Note |
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NAF Key Centre address value |
— |
M |
X |
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Note: The length is coded according to ISO/IEC 8825-1 [35]. |
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– NAF Key Centre Address value (Tag ’80’)
Contents:
Fully qualified Domain Name (FQDN) of the NAF Key Centre used in the Local Key Establishment procedures (see TS 33.110 [47]).
Coding:
Encoded to an octet string according to UTF-8 encoding rules as described in IETF RFC 3629 [48].