diff options
Diffstat (limited to 'net/bluetooth/smp.c')
| -rw-r--r-- | net/bluetooth/smp.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 659371af39e4..3921cba056d3 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -997,13 +997,10 @@ static u8 smp_random(struct smp_chan *smp) smp_s1(smp->tfm_aes, smp->tk, smp->rrnd, smp->prnd, stk); - memset(stk + smp->enc_key_size, 0, - SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size); - if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->flags)) return SMP_UNSPECIFIED; - hci_le_start_enc(hcon, ediv, rand, stk); + hci_le_start_enc(hcon, ediv, rand, stk, smp->enc_key_size); hcon->enc_key_size = smp->enc_key_size; set_bit(HCI_CONN_STK_ENCRYPT, &hcon->flags); } else { @@ -1016,9 +1013,6 @@ static u8 smp_random(struct smp_chan *smp) smp_s1(smp->tfm_aes, smp->tk, smp->prnd, smp->rrnd, stk); - memset(stk + smp->enc_key_size, 0, - SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size); - if (hcon->pending_sec_level == BT_SECURITY_HIGH) auth = 1; else @@ -1156,9 +1150,6 @@ static void sc_add_ltk(struct smp_chan *smp) else auth = 0; - memset(smp->tk + smp->enc_key_size, 0, - SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size); - smp->ltk = hci_add_ltk(hcon->hdev, &hcon->dst, hcon->dst_type, key_type, auth, smp->tk, smp->enc_key_size, 0, 0); @@ -2202,7 +2193,7 @@ static bool smp_ltk_encrypt(struct l2cap_conn *conn, u8 sec_level) if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->flags)) return true; - hci_le_start_enc(hcon, key->ediv, key->rand, key->val); + hci_le_start_enc(hcon, key->ediv, key->rand, key->val, key->enc_size); hcon->enc_key_size = key->enc_size; /* We never store STKs for master role, so clear this flag */ @@ -2750,7 +2741,7 @@ static int smp_cmd_dhkey_check(struct l2cap_conn *conn, struct sk_buff *skb) sc_add_ltk(smp); if (hcon->out) { - hci_le_start_enc(hcon, 0, 0, smp->tk); + hci_le_start_enc(hcon, 0, 0, smp->tk, smp->enc_key_size); hcon->enc_key_size = smp->enc_key_size; } |