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* Fix/Update copyright notices; Add SPDX annotationHarald Welte2017-11-131-0/+2
| | | | | | | | 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
* [doc] gea has separate group; A5 is not part of crypto but a5 groupHarald Welte2017-10-171-10/+8
| | | | Change-Id: I2fd24c86f9b52244073ec800a3287e3d38e660d9
* doxygen: unify use of \file across the boardNeels Hofmeyr2017-06-231-8/+6
| | | | | | | | | | | | | | | | | 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
* doxygen: enable AUTOBRIEF, drop \briefNeels Hofmeyr2017-06-231-13/+13
| | | | | | | | | | 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
* update/extend doxygen documentationHarald Welte2017-06-121-4/+3
| | | | | | | | | 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
* Make C4 function globally availableMax2016-06-291-2/+2
| | | | | | | | | 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
* Deprecate osmo_a5_1 and osmo_a5_2Max2016-04-221-50/+58
| | | | | Mark the functions as deprecated to discourage their use: people should use unified osmo_a5 which supports all the A5/1-4 ciphers.
* gsm: Add A5/3-4 cipher supportMax2015-03-281-3/+68
| | | | | Signed-off-by: Max <max.suraev@fairwaves.co> Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* fix libosmocore build for NuttX targetHarald Welte2014-12-041-0/+5
| | | | | | this fixes some compilation issues with libosmocore under NuttX, particularly as some #defines are missing or some header files are slightly different.
* gsm/a5: Return -ENOTSUP if the selected cipher is not supportedSylvain Munaut2012-12-061-2/+6
| | | | | | Extracted from a patch by Max Suraev Max.Suraev@fairwaves.ru> Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* doc: Fix the Doxygen section endingsSylvain Munaut2012-04-181-1/+1
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsm/a5: Rewrite equation doc with proper numberingSylvain Munaut2012-03-021-4/+4
| | | | | | | No idea where I copied the original from but here we use the other notation. (matches wikipedia and sources) Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsm/a5: Bit faster way to compute parity ...Sylvain Munaut2011-11-201-3/+2
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsm/a5: Add documentationSylvain Munaut2011-11-171-0/+68
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsm/a5: Rewrite A5/2 algo to avoid the delayed bitSylvain Munaut2011-11-171-23/+12
| | | | | | It's just clearer that way ... Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsm/a5: Add const qualifier on the keySylvain Munaut2011-11-171-3/+3
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsm/a5: Add a A5 1&2 implementationSylvain Munaut2011-04-261-0/+311
It's always useful to have around Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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