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fix SimCardCommands.run_gsm(): always use CLA=0xa0

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Depending on the card type (SIM or USIM/ISUM), self.cla_byte may
be either 0xa0 or 0x00.  Sending RUN GSM ALGORITHM with CLA=0x00
fails with SW=6985 (Command not allowed), so let's make sure
that we always use CLA=0xa0 regardless of the card type.

Change-Id: Ia0abba136dbd4cdea8dbbc3c4d6abe12c2863680
This commit is contained in:
Vadim Yanitskiy
2022-04-22 00:18:59 +03:00
committed by laforge
parent 41fbf12dba
commit 1dd5cb540d
1 changed files with 1 additions and 1 deletions
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2
pySim/commands.py
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@@ -407,7 +407,7 @@ class SimCardCommands:
if len(rand) != 32: if len(rand) != 32:
raise ValueError('Invalid rand') raise ValueError('Invalid rand')
self.select_path(['3f00', '7f20']) self.select_path(['3f00', '7f20'])
return self._tp.send_apdu(self.cla_byte + '88000010' + rand) return self._tp.send_apdu('a0' + '88000010' + rand)
def authenticate(self, rand: str, autn: str, context='3g'): def authenticate(self, rand: str, autn: str, context='3g'):
"""Execute AUTHENTICATE (USIM/ISIM). """Execute AUTHENTICATE (USIM/ISIM).