commit c73e1a640ed58df3495f6b47684283a3e50f79af
author Martin Brabham <optedoblivion@google.com> Mon Apr 26 21:35:22 2021 -0700
committer Martin Brabham <optedoblivion@google.com> Sat May 01 07:17:49 2021 -0700
tree c89ffb195d0c446b98ffc81fcacc1d46963c6f3d
parent 5f2fc457243cc8471bfabcf0aa8f2fbca735316f

OOB: Generate random for LE

Bug: 184377951
Test: Compiles, test app.
Tag: #feature
Change-Id: I92c1fa84383f2a30fbea1f858417393aefe1d302

system/stack/Android.bp

diff --git a/system/stack/Android.bp b/system/stack/Android.bp
index 9b0ce5f..71c4444 100644
--- a/system/stack/Android.bp
+++ b/system/stack/Android.bp
@@ -207,6 +207,7 @@
     shared_libs: [
         "libcutils",
         "liblog",
+        "libcrypto",
     ],
     required: [
         "libldacBT_enc",
@@ -365,6 +366,7 @@
     ],
     shared_libs: [
         "libcutils",
+        "libcrypto",
     ],
     static_libs: [
         "liblog",

system/stack/smp/smp_api.cc

diff --git a/system/stack/smp/smp_api.cc b/system/stack/smp/smp_api.cc
index 2d14ba4..d738899 100644
--- a/system/stack/smp/smp_api.cc
+++ b/system/stack/smp/smp_api.cc
@@ -29,6 +29,8 @@
 #include "bt_utils.h"
 #include "stack_config.h"
 
+#include "gd/os/log.h"
+#include "gd/os/rand.h"
 #include "hcimsgs.h"
 #include "l2c_api.h"
 #include "l2cdefs.h"
@@ -565,6 +567,7 @@
                             const std::array<unsigned char, 16>&,
                             const std::array<unsigned char, 16>&)>
         callback) {
+  smp_cb.local_random = bluetooth::os::GenerateRandom<16>();
   smp_cb.selected_association_model = SMP_MODEL_SEC_CONN_OOB;
   smp_calculate_local_commitment(&smp_cb);
   std::move(callback).Run(BT_TRANSPORT_LE, true, smp_cb.commitment,