Bluetooth: Track if link is using P-256 authenticated combination key
When the ACL link is using P-256 authenticated combination key, mark
the link mode as HCI_LM_FIPS.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 36c9a48..d2c6878 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1998,6 +1998,10 @@
conn->link_mode |= HCI_LM_ENCRYPT;
conn->sec_level = conn->pending_sec_level;
+ /* P-256 authentication key implies FIPS */
+ if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
+ conn->link_mode |= HCI_LM_FIPS;
+
if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
conn->type == LE_LINK)
set_bit(HCI_CONN_AES_CCM, &conn->flags);