Change in osmo-ttcn3-hacks[master]: bsc: implement ttcn API and cfg for A5/4

laforge gerrit-no-reply at lists.osmocom.org
Tue Jun 15 16:37:39 UTC 2021


laforge has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24669 )

Change subject: bsc: implement ttcn API and cfg for A5/4
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Patch Set 1:

(1 comment)

https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24669/1/bsc/MSC_ConnectionHandler.ttcn 
File bsc/MSC_ConnectionHandler.ttcn:

https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24669/1/bsc/MSC_ConnectionHandler.ttcn@732 
PS1, Line 732: 		expect_kc := enc.enc_kc128;
> why not using same field regardless of the algo? in the end it's an octetstring.
a BSC has both a 64bit and a 128bit key simultaneously, and will use either of the two depending of the ciphering capabilities of the BTS e.g. during hand-over.  So likewise, the tests emulating the MSC+BTS must handle both in parallel.



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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-Change-Id: Ifa48a8498dde7d04fb29f497013bdb5a1e5f3597
Gerrit-Change-Number: 24669
Gerrit-PatchSet: 1
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
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Gerrit-CC: laforge <laforge at osmocom.org>
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