Cellular Network Infrastructure » IMSI Pseudonymization

05/11/2020

06:45 AM Revision 6aa67e3d (imsi-pseudo): spec: next pseudo IMSI SMS lost: better wording

Remove the obvious and also weirdly worded part of the sentence. osmith

06:39 AM Revision 5e998f11 (imsi-pseudo): spec: explain sleep in sim app before imsi switch

osmith

06:20 AM Revision e9b57f5d (imsi-pseudo): spec: UL Request: clarify sentence

osmith

05/08/2020

07:44 AM Revision 4d3277f0 (imsi-pseudo): spec: replace should with must

Make it clear that statements like 'the operator should make sure that the
next pseudonymous IMSI SMS cannot be read ... osmith

07:44 AM Revision fcf7811b (imsi-pseudo): spec: clarify "Next Pseudonymous IMSI SMS is Lost"

Explicitly state that we send a lost next pseudonymous IMSI again. osmith

07:44 AM Revision 04ff01ef (imsi-pseudo): spec: SIM applet: verify: next IMSI is different

Suggested by ROS, so it would not be possible for the HLR to send the
same pseudonymous IMSI with an increased counte... osmith

05/07/2020

07:46 AM Feature #4476: OsmoHLR: support IMSI pseudo in location update

Code rebased on OsmoHLR master (after the D-GSM merge) and continued with implementation.
It's mostly working well... osmith

04/17/2020

01:18 PM Feature #4402 (Resolved): Specification: Create draft

Finished draft pdf is linked in the wiki now: https://osmocom.org/projects/imsi-pseudo/wiki osmith

04/16/2020

01:41 PM Feature #4476: OsmoHLR: support IMSI pseudo in location update

I'm testing the changes in combination with the SIM applet (and ATT=1 for now).
The HLR successfully detects if th... osmith

10:23 AM Revision 29a79afa (imsi-pseudo): spec: fix paragraph regarding SUPI

The SUPI often is not larger than the IMSI, but the SUCI is. laforge

09:48 AM Revision 0c7dda61 (imsi-pseudo): spec: add Harald as author too

osmith

09:44 AM Revision d82eac65 (imsi-pseudo): spec: remove \n in Summary of Proposed Solution

osmith

09:44 AM Revision 968dd357 (imsi-pseudo): spec: improve page breaks

Fix the almost empty page, that would only have "2.2.1.1 Counter
Storage" and one line of text, the related table sta... osmith

09:18 AM Revision e87abdf1 (imsi-pseudo): spec: minor fixes

osmith

08:50 AM Feature #4495 (New): Specification: More references

The specification currently doesn't have any references to anything except the numbers of some 3GPP specs.
I think... laforge

08:49 AM Feature #4494 (New): Specification: Add bibliography

When referenccing 3GPP specs, lets use the same mechanism as we use in the osmo-gsm-manuals with a separate Biblipgra... laforge

08:47 AM Feature #4493 (New): Specification: Cover 2G, 3G and 4G separately

Rgiht now, the spec is very 2G-centric. 3G is very similar in terms of MSC/HLR. But at least fro 4G, we also should... laforge

08:46 AM Feature #4492 (Resolved): Specification: Remove unrelated Classmark Change + Ciphering from Figure 1

Those are not relevant in the context of this spec; also remove related wording from 1.3 laforge

08:38 AM Revision d3380dd6 (imsi-pseudo): spec: Add Neels as author

Neels may not have written the wording of the spec, but he was
very much involved in designing this system and its pr... laforge

08:36 AM Revision 9db94bbf (imsi-pseudo): spec: Expanding text in some places; language improvements

laforge