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Change-Id: I0f44d0e90b26b152bcf414ec4497afb8182dd72d
This commit is contained in:
Neels Hofmeyr
2026-03-10 19:07:18 +01:00
parent 7063501983
commit 651455742f
2 changed files with 32 additions and 13 deletions
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29
pySim/esim/saip/personalization.py
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@@ -22,9 +22,11 @@ import re
import pprint
from typing import List, Tuple, Generator, Optional
from construct.core import StreamError
from osmocom.tlv import camel_to_snake
from osmocom.utils import hexstr
from pySim.utils import enc_iccid, dec_iccid, enc_imsi, dec_imsi, h2b, b2h, rpad, sanitize_iccid
from pySim.ts_31_102 import EF_AD
from pySim.ts_51_011 import EF_SMSP
from pySim.esim.saip import param_source
from pySim.esim.saip import ProfileElement, ProfileElementSD, ProfileElementSequence
@@ -646,7 +648,7 @@ class SmspTpScAddr(ConfigurableParameter):
yield { cls.name: cls.tuple_to_str((international, digits)) }
class AdMncLen(ConfigurableParameter):
class MncLen(ConfigurableParameter):
"""MNC length. Must be either 2 or 3. Sets only the MNC length field in EF-AD (Administrative Data)."""
name = 'MNC-LEN'
allow_chars = '23'
@@ -670,10 +672,20 @@ class AdMncLen(ConfigurableParameter):
"""val must be an int: either 2 or 3"""
for naa in ('usim', 'isim', 'csim'):
for pe in pes.get_pes_for_type(naa):
if not hasattr(pe, 'files'):
continue
# decode existing values
f_ad = pe.files['ef-ad']
ef_ad = EF_AD()
ef_ad_dec = ef_ad.decode_bin(f_ad.body)
print(f"XXXX {f_ad.body}")
if not f_ad.body:
continue
try:
ef_ad = EF_AD()
ef_ad_dec = ef_ad.decode_bin(f_ad.body)
except StreamError:
continue
if 'mnc_len' not in ef_ad_dec:
continue
# change mnc_len
ef_ad_dec['mnc_len'] = val
# re-encode into the File body
@@ -682,23 +694,26 @@ class AdMncLen(ConfigurableParameter):
@classmethod
def get_values_from_pes(cls, pes: ProfileElementSequence):
for naa in ('usim', 'isim', 'csim'):
for naa in ('isim',):# 'isim', 'csim'):
for pe in pes.get_pes_for_type(naa):
if not hasattr(pe, 'files'):
continue
f_ad = pe.files.get('ef-ad', None)
if f_ad is None:
continue
print(f"XXXX {f_ad.body}")
try:
ef_ad = EF_AD()
ef_ad_dec = ef_ad.decode_bin(f_ad.body)
except IndexError:
except StreamError:
continue
mnc_len = ef_ad_dec.get('mnc_len', None)
if mnc_len is None:
continue
yield { cls.name: mnc_len }
yield { cls.name: str(mnc_len) }
class SdKey(BinaryParam):
@@ -1135,7 +1150,7 @@ class MilenageRotationConstants(BinaryParam, AlgoConfig):
class MilenageXoringConstants(BinaryParam, AlgoConfig):
"""XOR-ing constants c1,c2,c3,c4,c5 of Milenage, 128bit each. See 3GPP TS 35.206 Sections 2.3 + 5.3.
Provided as octet-string concatenation of all 5 constants. The default value by 3GPP is the concetenation
of::
of:
00000000000000000000000000000000
00000000000000000000000000000001