<p>neels has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24757">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">msc: f_auth3g_kc(): take vec as argument, drop "runs on"<br><br>It is more elegant to have one arg and not require a "runs on".<br><br>Related: SYS#5324<br>Change-Id: Iec21710edaa6ad3d20e23c7ee055909c642e8220<br>---<br>M msc/BSC_ConnectionHandler.ttcn<br>1 file changed, 5 insertions(+), 4 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/57/24757/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/msc/BSC_ConnectionHandler.ttcn b/msc/BSC_ConnectionHandler.ttcn</span><br><span>index 8eb3f73..01db3d0 100644</span><br><span>--- a/msc/BSC_ConnectionHandler.ttcn</span><br><span>+++ b/msc/BSC_ConnectionHandler.ttcn</span><br><span>@@ -435,7 +435,7 @@</span><br><span>                                                               g_pars.vec.autn,</span><br><span>                                                             g_pars.vec.res));</span><br><span>            GSUP.send(ts_GSUP_SAI_RES(g_pars.imsi, auth_tuple));</span><br><span style="color: hsl(0, 100%, 40%);">-            g_pars.vec.kc := f_auth3g_kc();</span><br><span style="color: hsl(120, 100%, 40%);">+               g_pars.vec.kc := f_auth3g_kc(g_pars.vec);</span><br><span>    } else {</span><br><span>             g_pars.vec := f_gen_auth_vec_2g();</span><br><span>           auth_tuple := valueof(ts_GSUP_IE_AuthTuple2G(g_pars.vec.rand,</span><br><span>@@ -548,11 +548,12 @@</span><br><span>        }</span><br><span> }</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-function f_auth3g_kc() runs on BSC_ConnHdlr return OCT8 {</span><br><span style="color: hsl(120, 100%, 40%);">+/* For UMTS AKA on GERAN, calculate the specific kc from the UMTS AKA ck and ik vectors. */</span><br><span style="color: hsl(120, 100%, 40%);">+function f_auth3g_kc(AuthVector vec) return OCT8 {</span><br><span>         var integer i;</span><br><span style="color: hsl(0, 100%, 40%);">-  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];</span><br><span style="color: hsl(120, 100%, 40%);">+ var octetstring res := vec.ck[0] xor4b vec.ck[0 + 8] xor4b vec.ik[0] xor4b vec.ik[0 + 8];</span><br><span>    for (i := 1; i < 8; i := i + 1) {</span><br><span style="color: hsl(0, 100%, 40%);">-            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];</span><br><span style="color: hsl(120, 100%, 40%);">+           var octetstring a := vec.ck[i] xor4b vec.ck[i + 8] xor4b vec.ik[i] xor4b vec.ik[i + 8];</span><br><span>              res := res & a;</span><br><span>  }</span><br><span> </span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24757">change 24757</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/24757"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: osmo-ttcn3-hacks </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: Iec21710edaa6ad3d20e23c7ee055909c642e8220 </div>
<div style="display:none"> Gerrit-Change-Number: 24757 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: neels <nhofmeyr@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>