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cards: FairwavesSIM: force SIM APDUs during programming

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The FairwavesSIM programming fails when the card is accessed with USIM
APDUs. To keep it working temporarly switch to SIM APDUs during
programming.

Change-Id: I8f02625d2b620ecdf4b2afc27a8750119b707152
This commit is contained in:
Philipp Maier
2021-10-05 13:58:25 +02:00
parent c5501af9a8
commit 64b28378bc
1 changed files with 18 additions and 1 deletions
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19
pySim/cards.py
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@@ -1123,8 +1123,25 @@ class FairwavesSIM(UsimCard):
data, sw = self._scc.update_binary(self._EF['OP/OPC'], content) data, sw = self._scc.update_binary(self._EF['OP/OPC'], content)
return sw return sw
def program(self, p): def program(self, p):
# For some reason the card programming only works when the card
# is handled as a classic SIM, even though it is an USIM, so we
# reconfigure the class byte and the select control field on
# the fly. When the programming is done the original values are
# restored.
cla_byte_orig = self._scc.cla_byte
sel_ctrl_orig = self._scc.sel_ctrl
self._scc.cla_byte = "a0"
self._scc.sel_ctrl = "0000"
try:
self._program(p)
finally:
# restore original cla byte and sel ctrl
self._scc.cla_byte = cla_byte_orig
self._scc.sel_ctrl = sel_ctrl_orig
def _program(self, p):
# authenticate as ADM1 # authenticate as ADM1
if not p['pin_adm']: if not p['pin_adm']:
raise ValueError("Please provide a PIN-ADM as there is no default one") raise ValueError("Please provide a PIN-ADM as there is no default one")