From 28237ea6af5ad3af75f394b0f2a80dfa9bce33b2 Mon Sep 17 00:00:00 2001 From: Sukchan Lee Date: Fri, 26 Jan 2018 09:08:50 +0900 Subject: [PATCH] clean security context if KSI is INVALID(7) --- src/mme/emm_handler.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/mme/emm_handler.c b/src/mme/emm_handler.c index 626fc2880..0e9bd57d9 100644 --- a/src/mme/emm_handler.c +++ b/src/mme/emm_handler.c @@ -60,6 +60,12 @@ status_t emm_handle_attach_request( mme_ue->nhcc = 1; } + d_trace(5, " KSI[%d]\n", eps_attach_type->nas_key_set_identifier); + if (eps_attach_type->nas_key_set_identifier == 7) + { + CLEAR_SECURITY_CONTEXT(mme_ue); + } + /* Set EPS Attach Type */ memcpy(&mme_ue->nas_eps.attach, eps_attach_type, sizeof(nas_eps_attach_type_t));