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>

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 63d5ba7..3043936 100644 (file)
--- 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) {