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Bluetooth: Use OOB key pair for LE SC pairing with OOB method

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The OOB public and secret key pair is different from the non-OOB pairing
procedure. SO when OOB method is in use, then use this key pair instead
of generating a new one.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2015-03-16 01:10:24 -07:00 committed by Johan Hedberg
parent 0821a2c5ab
commit 33d0c03071
1 changed files with 20 additions and 0 deletions
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20
net/bluetooth/smp.c
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@ -1819,6 +1819,25 @@ static u8 sc_send_public_key(struct smp_chan *smp)
BT_DBG("");
if (test_bit(SMP_FLAG_OOB, &smp->flags)) {
struct l2cap_chan *chan = hdev->smp_data;
struct smp_dev *smp_dev;
if (!chan || !chan->data)
return SMP_UNSPECIFIED;
smp_dev = chan->data;
memcpy(smp->local_pk, smp_dev->local_pk, 64);
memcpy(smp->local_sk, smp_dev->local_sk, 32);
memcpy(smp->rr, smp_dev->local_rr, 16);
if (smp_dev->debug_key)
set_bit(SMP_FLAG_DEBUG_KEY, &smp->flags);
goto done;
}
if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) {
BT_DBG("Using debug keys");
memcpy(smp->local_pk, debug_pk, 64);
@ -1838,6 +1857,7 @@ static u8 sc_send_public_key(struct smp_chan *smp)
}
}
done:
SMP_DBG("Local Public Key X: %32phN", smp->local_pk);
SMP_DBG("Local Public Key Y: %32phN", &smp->local_pk[32]);
SMP_DBG("Local Private Key: %32phN", smp->local_sk);