lynxis lazus has uploaded this change for review.

View Change

SGSN: fix encoding of IMEISV in Auth and Ciphering Response

According to 24.008 the IMEISV field is exact 11 bytes long and
must contain a IMEI + SV which is exact 16 digits long, not 15.

Change-Id: I79dd79840de58f450c1a05e704fd9bd831455716
---
M sgsn/BSSGP_ConnHdlr.ttcn
1 file changed, 2 insertions(+), 2 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/14/38414/1

diff --git a/sgsn/BSSGP_ConnHdlr.ttcn b/sgsn/BSSGP_ConnHdlr.ttcn
index e91f86b..b38bb89 100644
--- a/sgsn/BSSGP_ConnHdlr.ttcn
+++ b/sgsn/BSSGP_ConnHdlr.ttcn
@@ -341,7 +341,7 @@
 		if (ispresent(l3_mt.msgs.gprs_mm.authenticationAndCipheringRequest.imeisvRequest) and
 		    l3_mt.msgs.gprs_mm.authenticationAndCipheringRequest.imeisvRequest.valueField == '001'B) {
 			l3_mo.msgs.gprs_mm.authenticationAndCipheringResponse.imeisv :=
-						valueof(ts_MI_IMEISV_TLV(g_pars.imei & '0'H));
+						valueof(ts_MI_IMEISV_TLV(g_pars.imei & '00'H));
 		}
 		f_send_l3(l3_mo, ran_index);
 }
@@ -422,7 +422,7 @@
 		if (ispresent(l3_mt.msgs.gprs_mm.authenticationAndCipheringRequest.imeisvRequest) and
 		    l3_mt.msgs.gprs_mm.authenticationAndCipheringRequest.imeisvRequest.valueField == '001'B) {
 			l3_mo.msgs.gprs_mm.authenticationAndCipheringResponse.imeisv :=
-						valueof(ts_MI_IMEISV_TLV(g_pars.imei & '0'H));
+						valueof(ts_MI_IMEISV_TLV(g_pars.imei & '00'H));
 		}
 		f_send_l3(l3_mo, ran_index);
 

To view, visit change 38414. To unsubscribe, or for help writing mail filters, visit settings.