Invalidate TMSI, P-TMSI after changing IMSI
Now the ME doesn't try to send the TMSI anymore in the next Location
Updating Request, it directly sends the IMSI.
diff --git a/sim-applet/src/org/osmocom/IMSIPseudo/IMSIPseudo.java b/sim-applet/src/org/osmocom/IMSIPseudo/IMSIPseudo.java
index d876dca..79e8edb 100755
--- a/sim-applet/src/org/osmocom/IMSIPseudo/IMSIPseudo.java
+++ b/sim-applet/src/org/osmocom/IMSIPseudo/IMSIPseudo.java
@@ -210,6 +210,8 @@
mi = MobileIdentity.str2mi(newIMSI_str, MobileIdentity.MI_IMSI, (byte)9);
writeIMSI(mi);
showMsg(changed);
+ invalidateTMSI((short)SIMView.FID_EF_LOCI);
+ invalidateTMSI((short)SIMView.FID_EF_LOCIGPRS);
refreshIMSI();
} catch (Exception e) {
showError((short)42);
@@ -234,6 +236,14 @@
gsmFile.updateBinary((short)0, mi, (short)0, (short)mi.length);
}
+ private void invalidateTMSI(short fid)
+ {
+ byte[] TMSI = {(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff};
+ gsmFile.select((short) SIMView.FID_DF_GSM);
+ gsmFile.select(fid);
+ gsmFile.updateBinary((short)0, TMSI, (short)0, (short)TMSI.length);
+ }
+
/*
* - command qualifiers for REFRESH,
* ETSI TS 101 267 / 3GPP TS 11.14 chapter 12.6 "Command details":