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
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -2060,6 +2060,7 @@
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 @@
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) {