| Commit message (Collapse) | Author | Age | Files | Lines |
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To send a Ciphering Mode Command, we may need to derive a Kc from UMTS AKA
tokens. gsm_milenage() derives Kc from 3G tokens, but also derives an SRES.
For SRES, it requires an OPC, which may need to be derived from OP first. All
we need is a Kc, so we could feed a zero OPC ... but to simplify the function
call for cases where just a Kc is required, separate the c3 function out from
gsm_milenage(), as osmo_auth_c3(). Obviously call osmo_auth_c3() from
gsm_milenage() (meaning that osmo-hlr's 55.205 derived auc tests still cover
exactly that implementation).
Prepares: If04e405426c55a81341747a9b450a69188525d5c (osmo-msc)
Related: OS#2745
Change-Id: I85a1d6ae95ad9e5ce9524ef7fc06414848afc2aa
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Do not attempt to load auth plugins - this does not make sense on
embedded target anyway.
Change-Id: Ie92d2eea21e19e499b3f3bb4d5a82e31fbbea3f0
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Let's fix some erroneous/accidential references to wrong license,
update copyright information where applicable and introduce a
SPDX-License-Identifier to all files.
Change-Id: I39af26c6aaaf5c926966391f6565fc5936be21af
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Add osmo_sub_auth_type_names[] and osmo_sub_auth_type_name().
Also add a hint to enum osmo_auth_algo's API doc that osmo_auth_alg_name()
already exists (it is defined further below).
Change-Id: I652a929bcd11c694d86812fb03d0a1cbd985efda
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Considering the various styles and implications found in the sources, edit
scores of files to follow the same API doc guidelines around the doxygen
grouping and the \file tag.
Many files now show a short description in the generated API doc that was so
far only available as C comment.
The guidelines and reasoning behind it is documented at
https://osmocom.org/projects/cellular-infrastructure/wiki/Guidelines_for_API_documentation
In some instances, remove file comments and add to the corresponding group
instead, to be shared among several files (e.g. bitvec).
Change-Id: Ifa70e77e90462b5eb2b0457c70fd25275910c72b
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Especially for short descriptions, it is annoying to have to type \brief for
every single API doc.
Drop all \brief and enable the AUTOBRIEF feature of doxygen, which always takes
the first sentence of an API doc as the brief description.
Change-Id: I11a8a821b065a128108641a2a63fb5a2b1916e87
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It's a pity that even with this patch we still are fare away from having
the whole API documented. However, at least we have a more solid
foundation. Updates not only extend the documentation, but also make
sure it is rendered properly in the doxygen HTML.
Change-Id: I1344bd1a6869fb00de7c1899a8db93bba9bafce3
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sections: ctrl, gb, gsm, vty
Change-Id: Iac211b5cd8504da36b699777b95a2448dd7c3e70
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Related: OS#1593
Change-Id: If943731a78089f0aac3d55245de80596d01314a4
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milenage_gen_vec() has parameter ordering of (..., auts, rand_auts, rand).
osmo_auth_gen_vec_auts() has (..., rand_auts, auts, rand), but actually feeds
args in the same order, so that its rand_auts becomes auts, and its auts
becomes rand_auts.
Interestingly enough, API user osmo-gen-vec.c also adheres to this misordering
and in turn passes auts for osmo_auth_gen_vec_auts()'s rand_auts and vice
versa, so that it matches milenage_gen_vec().
So both the implementation (milenage_*) and the API user use the same ordering,
just osmo_auth_gen_vec_auts() and osmo_auth_impl{ .gen_vec_auts() } in-between
have the argument names swapped.
Any current user of this API would need to adhere to this swapping or will not
get successful AUTS resolution to a SQN. So the least impact fix is to rename
the args without any actual functional change.
So swap the names rand_auts and auts for osmo_auth_gen_vec_auts() and
osmo_auth_impl{ .gen_vec_auts() }. (Also adjust API doc ordering)
Change-Id: I0dcbd49759fc32d3b8974102dbd1d6703364ebf4
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This function perform 64 -> 128 bit key expansion which useful for
converting between UMTS CK and GSM Kc, A5/3 and A5/4, GEA3 and GEA4
keys.
Change-Id: I5a6c6deef6027cd6af144c9062d4c9166be26904
Related: OS#1582
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Add various missing \returns doxygen entries.
In osmo_auth_3g_from_2g(), also adjust two comment-closing instances to
match common style and add a period to end a sentence.
(The recent addition of osmo_auth_3g_from_2g() raised my attention, and I added
more return value docs while at it.)
Change-Id: Iea71eb666bc061acb6b14215f398bd38d17b3ad3
Reviewed-on: https://gerrit.osmocom.org/33
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
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This function performs the C5+C4 conversion to derive UMTS key
material from a 2G-only subscriber.
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Doxygen generates quite a lot of warnings on libosmocore. Some of them
are obvious typos - this patch aims to fix such low-hanging fruit.
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There is now a "libosmogsm.map" file containing an explicit list of
to-be-exported symbols. This should prevent us from leaking non-static
symbols into the global namespace.
A similar scheme should be adopted by all other osmocom libraries
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... and add integration into the osmo_auth core.
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Indiidual algorithms can be implemented as plugins. libosmogsm itself
only provides COMP128v1 via this generic interface.
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