Activity
From 03/22/2020 to 04/20/2020
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
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... - 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.
- 09:48 AM Revision 0c7dda61 (imsi-pseudo): spec: add Harald as author too
- 09:44 AM Revision d82eac65 (imsi-pseudo): spec: remove \n in Summary of Proposed Solution
- 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... - 09:18 AM Revision e87abdf1 (imsi-pseudo): spec: minor fixes
- 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... - 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...
- 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...
- 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
- 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... - 08:36 AM Revision 9db94bbf (imsi-pseudo): spec: Expanding text in some places; language improvements
04/15/2020
- 12:33 PM Feature #4476: OsmoHLR: support IMSI pseudo in location update
- osmith wrote:
> We have unfinished ("commented out":https://git.osmocom.org/osmo-hlr/tree/src/hlr.c?id=5424dcb87968d... - 10:01 AM Feature #4402: Specification: Create draft
- laforge wrote:
> I've pushed some minor changes, please review if they seem OK to you.
Yes, they are fine.
> ... - 10:00 AM Feature #4490 (New): Specification: how would IMSI-pseudo interact within a combined (2G-4G)+5G network?
- From https://osmocom.org/issues/4402#note-6:
> consider how IMSI-pseudo would interact within a combined (2G-4G)+5G ... - 10:00 AM Feature #4489 (New): Specification: mark mandatory parts / implementation details as such
- From https://osmocom.org/issues/4402#note-6:
> consider which parts we consider mandatory (the general principle) an... - 09:46 AM Revision b80a9f87 (imsi-pseudo): spec: mention more EF to invalidate
- 09:14 AM Revision 763232b3 (imsi-pseudo): spec: mention that this works for SIM and USIM
- 08:43 AM Revision 7bcddc91 (imsi-pseudo): spec: change license to CC-BY
- 08:29 AM Revision efe5c98b (imsi-pseudo): spec: intro: mention 5G SUCI
04/14/2020
04/11/2020
- 08:34 AM Feature #4402: Specification: Create draft
- Thanks, looks good in general.
I've pushed some minor changes, please review if they seem OK to you.
Some open topi... - 08:21 AM Revision b053436e (imsi-pseudo): spec: Refer to standard OTA SMS security
- The encryption is "out of scope" because it already exists. Hence
we specify that the existing means of 23.048 shall... - 08:21 AM Revision 37981b6d (imsi-pseudo): spec: don't use Release 99 spec numbers (03.19 -> 43.019)
- 08:21 AM Revision 4dc664dd (imsi-pseudo): spec: Not all countries require proof of ID when buying SIMs
- 08:21 AM Revision 9d63d6fd (imsi-pseudo): spec: minor language/wording improvements
04/09/2020
- 01:24 PM Feature #4402: Specification: Create draft
- I've created the proper specification draft with asciidoc in the git repository, and attached the PDF to this issue.
... - 01:19 PM Revision 247c8759 (imsi-pseudo): remove text replaced by specification
- 01:15 PM Revision 0feaa89a (imsi-pseudo): spec: move reference implementation to the end
- 01:13 PM Revision a0354de4 (imsi-pseudo): spec: User-configurable Minimum Duration Between IMSI Changes
- 12:54 PM Revision 69e3fa6b (imsi-pseudo): spec: Warning the Subscriber If the Pseudonymous IMSI Does Not Change
04/08/2020
- 01:38 PM Revision cbe90581 (imsi-pseudo): spec: end to end enc
- 01:26 PM Revision 18bf9bb1 (imsi-pseudo): spec: ATT = 0
- 12:58 PM Revision bb8d9127 (imsi-pseudo): spec: write section: reference implementation
- 12:37 PM Revision 5de45c08 (imsi-pseudo): spec: error scenarios
- 08:39 AM Revision 7b0dbb96 (imsi-pseudo): docs/spec: SMS structure
- 06:58 AM Revision 64d154ce (imsi-pseudo): spec: next pseudo_imsi_timer expires
04/07/2020
- 02:02 PM Revision ef43ac3a (imsi-pseudo): spec: write out until Insert Subscriber Data Result
- 01:05 PM Revision 7e33ef5e (imsi-pseudo): spec: add cancel location req to graph
- 12:51 PM Revision 92a2288f (imsi-pseudo): spec: elaborate on how optional this is
- 12:51 PM Revision 206a0fa9 (imsi-pseudo): spec: Process Update_Location_HLR: bullet points + graph
- 07:38 AM Revision 8b68e4ec (imsi-pseudo): spec: describe SIM applet
- 07:38 AM Revision 9748cdc6 (imsi-pseudo): IMSIPseudo.java: Cosmetic: fix missing space
- 07:36 AM Feature #4486 (New): Applet: gracefully handle case where timer is set twice
- While working on the spec, I realize that we should cover this case too:
* SMS arrives, timer is set to 5 minutes ... - 06:44 AM Revision 8c81b556 (imsi-pseudo): spec: minor fixes
04/06/2020
- 01:46 PM Revision bf33c75a (imsi-pseudo): spec: Pseudonymous IMSI Storage in the HLR
- 12:29 PM Revision 6f9f2186 (imsi-pseudo): spec: use 2g example throughout the document
- 12:14 PM Revision 2c8a19c1 (imsi-pseudo): spec: re-organize headlines
- 11:34 AM Revision 7afd7010 (imsi-pseudo): spec: describe LU without pseudo IMSI
04/03/2020
- 12:04 PM Revision 5616ae82 (imsi-pseudo): specification.md: mark as deprecated
- 12:03 PM Revision 5c95bc9c (imsi-pseudo): spec: introduction, headlines
- 07:00 AM Revision 2baa0d53 (imsi-pseudo): doc: prepare for asciidoc based specification
04/02/2020
- 08:18 PM Feature #4402: Specification: Create draft
- osmith wrote:
> https://gerrit.osmocom.org/plugins/gitiles/imsi-pseudo/+/refs/heads/master/README.md
>
> @lafor... - 01:15 PM Revision 4a3d8d3f (imsi-pseudo): docs/specification.md: note Process Update_Location_HLR
- 01:10 PM Feature #4476: OsmoHLR: support IMSI pseudo in location update
- Regarding "LU: purge subscriber in VLR": the right GSUP procedure is Location Cancellation (Purge MS would be the opp...
04/01/2020
- 02:00 PM Feature #4476: OsmoHLR: support IMSI pseudo in location update
- WIP branch: osmith/imsi-pseudo
- 08:40 AM Feature #4476 (In Progress): OsmoHLR: support IMSI pseudo in location update
- 08:05 AM Feature #4476 (Stalled): OsmoHLR: support IMSI pseudo in location update
- Columns for subscriber_imsi_pseudo table ("reference":https://gerrit.osmocom.org/plugins/gitiles/imsi-pseudo#in-detai...
- 11:06 AM Bug #4480: Applet/OsmoMSC: fix or workaround for OsmoMSC only paging attached MS
- laforge wrote:
> I think it is unrealistic to assume that anyone would ever want to page subscribers
> that are not... - 10:30 AM Bug #4480: Applet/OsmoMSC: fix or workaround for OsmoMSC only paging attached MS
- I think it is unrealistic to assume that anyone would ever want to page subscribers
that are not attached. It drasti... - 08:28 AM Bug #4480 (New): Applet/OsmoMSC: fix or workaround for OsmoMSC only paging attached MS
- We have to set the "channel-description attach 0" option in OsmoBSC, so the MS does not detach from the network when ...
- 08:34 AM Feature #4481 (New): Applet: test various REFRESH qualifiers to possibly shorten the time for changing the IMSI
- @neels started a nice wiki page here: https://osmocom.org/projects/imsi-pseudo/wiki/Baseband_behavior_on_IMSI_change
... - 08:18 AM Feature #4479 (New): Applet: change IMSI after receiving SMS
- When receiving the change IMSI SMS from OsmoHLR:
* verify the counter (prevent replay attacks / locking out if SMS a... - 08:14 AM Feature #4478 (New): Applet: proper warning after too many LU with same IMSI
- In the current proof of concept, a message is shown after each location update. The current counter mechanism only wo...
- 08:07 AM Feature #4477 (New): OsmoHLR: send next pseudo IMSI via SMS
- * after successful LU with the newer pseudo IMSI, the old one gets deallocated (#4476)
* wait for some time
* alloc... - 07:31 AM Feature #4404 (Stalled): Research: Make sure that we can silently detach the IMSI
- @laforge will send us OsmocomBB phones to test for ATT=0 in German real-world networks.
03/31/2020
- 10:32 AM Feature #4404: Research: Make sure that we can silently detach the IMSI
- osmith wrote:
> > How does a SIM/baseband behave when its IMSI is changed?
>
> When I checked last month on a fea... - 10:23 AM Revision 1acc89b8 (imsi-pseudo): README.md: SIM must not perform IMSI detach
- 10:12 AM Revision c4206534 (imsi-pseudo): README.md: improve headlines
- 10:09 AM Revision 8c3bd0b4 (imsi-pseudo): README: add user-configurable minimum duration
03/27/2020
- 04:08 PM Feature #4404 (In Progress): Research: Make sure that we can silently detach the IMSI
- 04:07 PM Feature #4404: Research: Make sure that we can silently detach the IMSI
- > How does a SIM/baseband behave when its IMSI is changed?
When I checked last month on a feature phone, changing ... - 12:43 PM Feature #4400 (Resolved): Approach C: HLR decides and sends the entire next pseudo IMSI to SIM
- This is the approach we will describe in our spec and implement. Closing.
- 12:33 PM Feature #4402 (In Progress): Specification: Create draft
- As discussed in the weekly telcos, the draft specification does not need to contain the exact references to ETSI spec...
- 12:12 PM Revision 6d06adb8 (imsi-pseudo): README.md: fix typo
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