catarrh/pysim
1
0
Fork 0
mirror of https://gitea.osmocom.org/sim-card/pysim.git synced 2026-03-16 18:38:32 +03:00
Code Issues Packages Projects Releases Wiki Activity

sysmocom_sja2: Properly decode EF.USIM_SQN freshness

Browse Source 
The freshness parameter is not one opaque bytestring, but an array
of 6-byte integer values.

before:
    "freshness": "000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"

after:
    "freshness": [ 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]

Change-Id: I53edbcdb40652eb0e2bc4c982cf7b6f7d585cab9
This commit is contained in:
Harald Welte
2021-10-16 10:44:23 +02:00
parent 7a8aa863a6
commit eb45838c47
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
pySim/sysmocom_sja2.py
View File

@@ -166,7 +166,7 @@ class EF_USIM_SQN(TransparentEF):
'aus_concealed'/Bit, 'autn_concealed'/Bit)
self._construct = Struct('flag1'/Flag1, 'flag2'/Flag2,
'delta_max'/BytesInteger(6), 'age_limit'/BytesInteger(6),
'freshness'/HexAdapter(GreedyBytes))
'freshness'/GreedyRange(BytesInteger(6)))
class EF_USIM_AUTH_KEY(TransparentEF):
def __init__(self, fid='af20', name='EF.USIM_AUTH_KEY'):