Bluetooth: Set correct LTK type and authentication for SC

After generating the LTK we should set the correct type (normal SC or
debug) and authentication information for it.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 12 insertions, 1 deletions

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 63d5ba7774e0..30439368a55a 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -2060,6 +2060,7 @@ static int smp_cmd_dhkey_check(struct l2cap_conn *conn, struct sk_buff *skb)
         struct smp_chan *smp = chan->data;
         u8 a[7], b[7], *local_addr, *remote_addr;
         u8 io_cap[3], r[16], e[16];
+        u8 key_type, auth;
         int err;
 
         BT_DBG("conn %p", conn);
@@ -2092,8 +2093,18 @@ static int smp_cmd_dhkey_check(struct l2cap_conn *conn, struct sk_buff *skb)
         if (memcmp(check->e, e, 16))
                 return SMP_DHKEY_CHECK_FAILED;
 
+        if (test_bit(SMP_FLAG_DEBUG_KEY, &smp->flags))
+                key_type = SMP_LTK_P256_DEBUG;
+        else
+                key_type = SMP_LTK_P256;
+
+        if (hcon->pending_sec_level == BT_SECURITY_FIPS)
+                auth = 1;
+        else
+                auth = 0;
+
         smp->ltk = hci_add_ltk(hcon->hdev, &hcon->dst, hcon->dst_type,
-                               SMP_LTK_P256, 0, smp->tk, smp->enc_key_size,
+                               key_type, auth, smp->tk, smp->enc_key_size,
                                0, 0);
 
         if (hcon->out) {