From d378a2d77618464f511d35687bbbc6614b1bacda Mon Sep 17 00:00:00 2001 From: Johan Hedberg Date: Sat, 31 May 2014 18:53:36 +0300 Subject: [PATCH] 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 Signed-off-by: Marcel Holtmann --- net/bluetooth/smp.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) 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) { -- 2.20.1