lynxis lazus has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/38414?usp=email )

Change subject: SGSN: fix encoding of IMEISV in Auth and Ciphering Response ......................................................................

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);