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neels gerrit-no-reply at lists.osmocom.orgneels has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24757 ) Change subject: msc: f_auth3g_kc(): take vec as argument, drop "runs on" ...................................................................... msc: f_auth3g_kc(): take vec as argument, drop "runs on" It is more elegant to have one arg and not require a "runs on". Related: SYS#5324 Change-Id: Iec21710edaa6ad3d20e23c7ee055909c642e8220 --- M msc/BSC_ConnectionHandler.ttcn 1 file changed, 5 insertions(+), 4 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/57/24757/1 diff --git a/msc/BSC_ConnectionHandler.ttcn b/msc/BSC_ConnectionHandler.ttcn index 8eb3f73..01db3d0 100644 --- a/msc/BSC_ConnectionHandler.ttcn +++ b/msc/BSC_ConnectionHandler.ttcn @@ -435,7 +435,7 @@ g_pars.vec.autn, g_pars.vec.res)); GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple)); - g_pars.vec.kc := f_auth3g_kc(); + g_pars.vec.kc := f_auth3g_kc(g_pars.vec); } else { g_pars.vec := f_gen_auth_vec_2g(); auth_tuple := valueof(ts_GSUP_IE_AuthTuple2G(g_pars.vec.rand, @@ -548,11 +548,12 @@ } } -function f_auth3g_kc() runs on BSC_ConnHdlr return OCT8 { +/* For UMTS AKA on GERAN, calculate the specific kc from the UMTS AKA ck and ik vectors. */ +function f_auth3g_kc(AuthVector vec) return OCT8 { var integer i; - var octetstring res := g_pars.vec.ck[0] xor4b g_pars.vec.ck[0 + 8] xor4b g_pars.vec.ik[0] xor4b g_pars.vec.ik[0 + 8]; + var octetstring res := vec.ck[0] xor4b vec.ck[0 + 8] xor4b vec.ik[0] xor4b vec.ik[0 + 8]; for (i := 1; i < 8; i := i + 1) { - var octetstring a := g_pars.vec.ck[i] xor4b g_pars.vec.ck[i + 8] xor4b g_pars.vec.ik[i] xor4b g_pars.vec.ik[i + 8]; + var octetstring a := vec.ck[i] xor4b vec.ck[i + 8] xor4b vec.ik[i] xor4b vec.ik[i + 8]; res := res & a; } -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24757 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: Iec21710edaa6ad3d20e23c7ee055909c642e8220 Gerrit-Change-Number: 24757 Gerrit-PatchSet: 1 Gerrit-Owner: neels <nhofmeyr at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210623/6a7de515/attachment.htm>