osmo-hlr[master]: VTY: enable Milenage-2G authentication algorithm

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Neels Hofmeyr gerrit-no-reply at lists.osmocom.org
Wed Mar 21 16:18:53 UTC 2018


Patch Set 2:

to clarify, osmo-hlr has 2G and 3G auth tokens, and separate database tables for them, because 3G tokens need more columns. If you put a milenage KI in the 2G database table, you're lacking essential OP/OPC and SQN.

The decision which to use where is made in the auth tuple consumers, i.e. osmo-msc and osmo-sgsn. They will ask the HLR for auth tokens, and then will, if present, use the full UMTS (="3G") auth tokens on a GERAN=2G network if SIM, MS and network are R99 capable (see system-information and classmark). Then there's also some compat layer to use the milenage crypto algo but still using old shorter GSM AKA tokens; then there's also the choice of the MS to reply in GSM AKA and the need for the network to handle that (fixed only recently in osmo-msc). We have all of it implemented and working, at best there may be bugs in it.

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Gerrit-MessageType: comment
Gerrit-Change-Id: I6e6ff11d87bd9462db153ce6e32e7afc8197c38b
Gerrit-PatchSet: 2
Gerrit-Project: osmo-hlr
Gerrit-Branch: master
Gerrit-Owner: Vadim Yanitskiy <axilirator at gmail.com>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Vadim Yanitskiy <axilirator at gmail.com>
Gerrit-HasComments: No



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