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spec: mention more EF to invalidate

This commit is contained in:
Oliver Smith 2020-04-15 11:46:36 +02:00
parent 763232b34c
commit b80a9f87e4
2 changed files with 5 additions and 3 deletions
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7
docs/imsi-pseudo-spec.adoc
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@ -213,9 +213,10 @@ from the SMS with the last imsi_pseudo_i that was used when changing the IMSI
otherwise the SMS should not be processed further. otherwise the SMS should not be processed further.
The SIM applet registers a timer with min_sleep_time from the SMS. When the The SIM applet registers a timer with min_sleep_time from the SMS. When the
timer triggers, the IMSI of the SIM is overwritten with the new pseudonymous timer triggers, EF~IMSI~ of the SIM is overwritten with the new pseudonymous
IMSI, the TMSI and GSM Ciphering key Kc (3GPP TS 31.102, Section 4.4.3.1) are IMSI. The TMSI and related data (EF~LOCI~, EF~PSLOCI~) and ciphering keys
invalidated. The current imsi_pseudo_i from the SMS is stored in the SIM applet (EF~Kc~, EF~KcGPRS~, EF~Keys~, EF~KeysPS~) are invalidated (see 3GPP TS
31.102). The current imsi_pseudo_i from the SMS is stored in the SIM applet
to compare it with the next SMS. imsi_pseudo_lu is reset to 0. Afterwards, to compare it with the next SMS. imsi_pseudo_lu is reset to 0. Afterwards,
the EF~IMSI~ changing procedure in 3GPP TS 11.14, Section 6.4.7.1 is executed the EF~IMSI~ changing procedure in 3GPP TS 11.14, Section 6.4.7.1 is executed
to apply the new IMSI. to apply the new IMSI.

1
sim-applet/src/org/osmocom/IMSIPseudo/IMSIPseudo.java
View File

@ -214,6 +214,7 @@ public class IMSIPseudo extends Applet implements ToolkitInterface, ToolkitConst
invalidateTMSI((short)SIMView.FID_EF_LOCIGPRS); invalidateTMSI((short)SIMView.FID_EF_LOCIGPRS);
invalidateKc((short)SIMView.FID_EF_KC); invalidateKc((short)SIMView.FID_EF_KC);
invalidateKc((short)SIMView.FID_EF_KCGPRS); invalidateKc((short)SIMView.FID_EF_KCGPRS);
/* FIXME: also invalidate EF_KEYS, EF_KEYS_PS */
refreshIMSI(); refreshIMSI();
} catch (Exception e) { } catch (Exception e) {
showError((short)42); showError((short)42);