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srsLTE
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516 Commits

Author SHA1 Message Date
Pedro Alvarez 31a25067f5 Merging David Ruprecth's mme_msg_encryption branch into next. Not compiling. 2018-12-18 12:03:52 +00:00
Pedro Alvarez a5a7eb02d2 Merge branch 'next' of github.com:softwareradiosystems/srsLTE into next 2018-12-14 17:16:41 +00:00
Andre Puschmann df7ab7ffe8 Merge branch 'master' into next 2018-12-14 16:54:46 +01:00
Pedro Alvarez 60fdc9ebe2 Small commit. 2018-12-14 14:45:40 +00:00
Pedro Alvarez ac0aa76afc Small print changes on NAS. 2018-12-14 14:42:24 +00:00
Pedro Alvarez 9380d56bbf Changing prints in S1AP and SPGW. 2018-12-14 14:28:25 +00:00
Pedro Alvarez 7fd6ae4c40 Changing NAS printing. 2018-12-14 14:16:41 +00:00
Pedro Alvarez 983ba4a3ab Strating to change prints in the HSS. 2018-12-14 14:10:49 +00:00
yagoda 94ec379f68 Small commit to test changes in prints. 2018-12-14 13:37:08 +00:00
rubund b801c3dd4e Fix some spelling errors detected by lintian (#271) 2018-12-03 10:36:15 +01:00
Pedro Alvarez 0320d475e9 Fix Uninitialized QoS options in attach accept. 2018-11-28 11:16:50 +00:00
David Rupprecht c480e57721 Config based security algorithm selection 2018-11-19 15:34:57 +01:00
David Rupprecht 3b7eeb5909 Do security (integrity checks in case of NAS UL message 2018-11-19 14:38:44 +01:00
David Rupprecht 1442606ee1 Encryption for ESM request 2018-11-19 14:11:33 +01:00
David Rupprecht 82f69d66dc ul_nas_count increment tau request 2018-11-19 13:40:54 +01:00
David Rupprecht 4a2c563f85 increase uplink ul nas count 2018-11-19 13:40:16 +01:00
David Rupprecht 2543a84aa4 Minor changes in nas uplink transport and increase uplink count 2018-11-19 13:39:30 +01:00
David Rupprecht 718262eaaf restucture NAS uplink message: todo security of message 2018-11-18 22:29:32 +01:00
David Rupprecht 894471e326 restructure handle_initial_ue_message 2018-11-18 21:36:36 +01:00
David Rupprecht 0dfa6426dd restructure handle_initial_ue_message 2018-11-18 21:35:55 +01:00
David Rupprecht e5e091b0c9 Minor fixes and code clean up 2018-11-18 21:18:17 +01:00
David Rupprecht e547883a8f Wrapper functions for integrity generate 2018-11-18 20:30:22 +01:00
Andre Puschmann cd7008a269 fix typo 2018-11-16 14:56:43 +01:00
David Rupprecht 7eef2c1c4b start with decryption function 2018-11-15 23:02:30 +01:00
Andre Puschmann 23836a8ab3 Merge branch 'next' into nas_cleanup 2018-10-22 11:26:00 +02:00
Andre Puschmann 15d439761a log build info in eNB/EPC logs 2018-10-05 14:58:09 +02:00
Pedro Alvarez 3cddad79cc Adding ability to configure names of TUN interfaces. (#277) 
* added config option for tun dev names vs fixed names added config option for M1-U interface addr

* Added options to sgi_mb tun name.

* Added some comments to mbms.conf.example

* Added some comments to example configs to explain the new values.
 2018-10-05 11:12:31 +02:00
Pedro Alvarez 35ca9ffd34 Adding TTL option 2018-10-04 14:44:26 +02:00
Pedro Alvarez 3ecacdf3a6 Adding selection of local interface at the MBMS-GW. 2018-10-04 14:44:26 +02:00
Pedro Alvarez d443604661 Merge next into gtp_cleanup_sn. Fixed some conflicts. 2018-10-04 12:09:13 +01:00
Andre Puschmann 0deda67930 print build-info during epc startup 2018-10-01 21:44:16 +02:00
Pedro Alvarez c1f633c5c7 Dropping bitfields for now. Using #defines and uint8_t for the flags. 2018-10-01 15:17:26 +01:00
Pedro Alvarez e320c33aef Fixed last compilation issues. 2018-09-28 15:42:28 +01:00
Pedro Alvarez ee04639337 Changed gtpu header flags to use a bitfield. Fixing compilation issues. 2018-09-28 13:46:13 +01:00
Pedro Alvarez 8072aaa091 Fixed minor mistake in resolving conflict. 2018-09-25 19:11:56 +01:00
Pedro Alvarez 8dc029cc47 Merging next into NAS cleanup. 2018-09-25 18:56:03 +01:00
Andre Puschmann b27ff06e79 Merge remote-tracking branch 'origin/issue_178' into next 2018-09-25 15:10:38 +02:00
Pedro Alvarez b4f9fb06dd Changing EPC to use uint32_to_uint8 function 2018-09-25 12:09:18 +01:00
Andre Puschmann 860d8af911 Merge branch 'master' into next 2018-09-24 15:50:10 +02:00
Zhe Huang 8b526e1c20 Fix SQN incrementation arithmetic (#212) 
* Fix SQN incrementation arithmetic

Current implementation of increment_sqn function increments the 48 bits
SQN directly by 1 which is incorrect according to 3GPP TS 33.102 version
11.5.1 Annex C. This bug causes commercial UEs to report AUTHENTICATION
FAILURE EMM cause #21 "synch failure" when SQN is out of sync.

According to 3GPP TS 33.102 version 11.5.1 Annex C, 48 bits SQN consists
of 43 bits SEQ and 5 bits IND parts where SEQ are incremented during
generation of authentication vector or resync procedure. A
new IND value is also assigned when an authentication vector is
generated. However, resync procedure will use the same IND value.

This patch implements the increment_sqn function according to 3GPP TS
33.102 version 11.5.1 Annex C. A new function increment_seq_after_resync
is added to handle the special case of SQN arithmetic during SQN
resynchronization.

This patch is tested with two comercial UEs (Oneplus One and Oneplus 3T).

* Fix the maximum value of SEQ value to be 2^43-1

The SEQ value is 43 bits long and previous maximum value has a typo (one
extra F) which allows SEQ value to be 2^47-1. This patch corrects the typo.
 2018-09-24 11:28:07 +02:00
Andre Puschmann a9d46cbad3 Merge branch 'master' into next_test_after_merge 2018-09-20 13:01:43 +02:00
Zhe Huang cd1fb0d81e Set AMF to all zeros during resync (#213) 
During the resync procedure, the security_milenage_f1_star generates a
MAC_S value that does not match the MAC_S value reported in AUTS. This
posts a security risk.

According to 3GPP TS 33.102 version 11.5.1 section 6.3.3, the AMF used
to calculate MAC-S assumes a dummy value of all zeros so that it does
not need to be transmitted in the clear in the re-synch message.

This patch corrects this problem. MAC_S reported by AUTS matches the
MAC_S calculated using f1_star function after the fix.
 2018-09-20 12:57:47 +02:00
Pedro Alvarez 7bad5a52a0 Merging handling of initial UE messages as static methods into nas cleanup. 2018-08-29 18:44:18 +01:00
Pedro Alvarez 9350e03810 Changed detach request and tracking area update request to nas.cc 2018-08-29 17:47:34 +01:00
Pedro Alvarez d2cb01ce87 Deleted old service request. 2018-08-29 14:56:55 +01:00
Pedro Alvarez a9e5b3b8e9 Changed service request to nas.cc 2018-08-29 14:52:09 +01:00
Pedro Alvarez 4313fb1e72 Making sure M-TMSI is in host order in other small bug fixes. 2018-08-28 17:28:31 +01:00
Pedro Alvarez 3337f21ffa Added handle GUTI attach from known UE again. 2018-08-28 15:29:26 +01:00
Pedro Alvarez 0d80ae795b Added IMSI attach from unknown UE as a static function. 2018-08-27 19:17:23 +01:00
Pedro Alvarez 0ddb3d39dc Moved handle_imsi_attach_request_from_unknown_ue to nas.cc in static method. Working. 2018-08-27 18:13:42 +01:00