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Bluetooth: Add suport for enabling encryption

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If LTK for connection is stored use it to start encryption instead
of initiating pairing.

Change-Id: Ia1322b028c1ed132c3678c4ff1b4cba1ada7f50d
Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
This commit is contained in:
Szymon Janc 2015-06-30 00:11:05 +02:00 • committed by Anas Nashif
commit 18c1b9d0a9
1 changed files with 11 additions and 4 deletions
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15
net/bluetooth/conn.c
View file

@ -422,6 +422,8 @@ const bt_addr_le_t *bt_conn_get_dst(const struct bt_conn *conn)
int bt_security(struct bt_conn *conn, bt_security_t sec)
{
struct bt_keys *keys;
if (conn->state != BT_CONN_CONNECTED) {
return -ENOTCONN;
}
@ -436,16 +438,21 @@ int bt_security(struct bt_conn *conn, bt_security_t sec)
return -EINVAL;
}
if (conn->encrypt) {
return 0;
}
if (conn->role == BT_HCI_ROLE_SLAVE) {
/* TODO Add Security Request support */
return -ENOTSUP;
}
if (conn->encrypt) {
return 0;
keys = bt_keys_find(BT_KEYS_LTK, &conn->dst);
if (keys) {
return bt_hci_le_start_encryption(conn->handle, keys->ltk.rand,
keys->ltk.ediv,
keys->ltk.val);
}
/* TODO check for master LTK */
return smp_send_pairing_req(conn);
}