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libosmocore
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12 Commits

Author SHA1 Message Date
Max ceae123752 Make C4 function globally available 
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
 2016-06-29 16:32:55 +00:00
Max fdb3d8ce78 Deprecate osmo_a5_1 and osmo_a5_2 
Mark the functions as deprecated to discourage their use: people should
use unified osmo_a5 which supports all the A5/1-4 ciphers.
 2016-04-22 15:10:53 +02:00
Max f8699ca51e gsm: Add A5/3-4 cipher support 
Signed-off-by: Max <max.suraev@fairwaves.co>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2015-03-28 18:07:05 +01:00
Harald Welte e15ac060e7 fix libosmocore build for NuttX target 
this fixes some compilation issues with libosmocore under NuttX,
particularly as some #defines are missing or some header files are
slightly different.
 2014-12-04 14:15:36 +01:00
Sylvain Munaut c1e9be95c2 gsm/a5: Return -ENOTSUP if the selected cipher is not supported 
Extracted from a patch by Max Suraev Max.Suraev@fairwaves.ru>

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-12-06 08:23:02 +01:00
Sylvain Munaut dca7d2caaa doc: Fix the Doxygen section endings 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2012-04-18 21:53:23 +02:00
Sylvain Munaut 2dafed51e5 gsm/a5: Rewrite equation doc with proper numbering 
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>
 2012-03-02 23:39:19 +01:00
Sylvain Munaut ad4a6a8840 gsm/a5: Bit faster way to compute parity ... 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2011-11-20 08:46:56 +01:00
Sylvain Munaut 2735ac4848 gsm/a5: Add documentation 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2011-11-17 21:01:46 +01:00
Sylvain Munaut 7f975d231b gsm/a5: Rewrite A5/2 algo to avoid the delayed bit 
It's just clearer that way ...

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2011-11-17 20:36:50 +01:00
Sylvain Munaut 3e387cb35c gsm/a5: Add const qualifier on the key 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2011-11-17 19:45:58 +01:00
Sylvain Munaut f1d3344781 gsm/a5: Add a A5 1&2 implementation 
It's always useful to have around

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2011-04-26 14:40:49 +02:00