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pySim-shell: set default ADM key reference

ETSI TS 102 221, Table 9.3 specifies 0x0A as default key reference for
ADM1. Lets make sure pySim-shell uses this key-reference if the card is
a generic UICC.

Change-Id: I8a96244269dc6619f39a5369502b15b83740ee45
---
M pySim-shell.py
1 file changed, 10 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/77/28277/1

diff --git a/pySim-shell.py b/pySim-shell.py
index f498dea..e52c4ef 100755
--- a/pySim-shell.py
+++ b/pySim-shell.py
@@ -83,16 +83,26 @@
         print("Card not readable!")
         return None, None
 
+    generic_card = False
     card = card_detect("auto", scc)
     if card is None:
         print("Warning: Could not detect card type - assuming a generic card type...")
         card = SimCard(scc)
+        generic_card = True
 
     profile = CardProfile.pick(scc)
     if profile is None:
         print("Unsupported card type!")
         return None, card
 
+    # ETSI TS 102 221, Table 9.3 specifies a default for the PIN key
+    # references, however card manufactures may still decide to pick an
+    # arbitrary key reference. In case we run on a generic card class that is
+    # detected as an UICC, we will pick the key reference that is officially
+    # specified.
+    if generic_card and isinstance(profile, CardProfileUICC):
+        card._adm_chv_num = 0x0A
+
     print("Info: Card is of type: %s" % str(profile))
 
     # FIXME: This shouln't be here, the profile should add the applications,

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