public async Task <BluetoothPairResult> PairDevice(string strConnectionName)
{
BlutoothPairStatus status = BlutoothPairStatus.Failed;
bool blnAbort = false;
using (var lockHandle = await Locker.Lock())
{
if (lockHandle.Successfull)
{
if (m_blnPairingInProgress)
{
blnAbort = true;
}
else
{
m_blnPairingInProgress = true;
}
}
else
{
blnAbort = true;
}
}
try
{
if (m_pairingGDIO.IsValid &&
!blnAbort &&
m_UGDIO.IsValid)
{
SendBaseCommand cmd = new SendRequestDataCommand(NukiCommandType.PublicKey);
Sodium.KeyPair keyPair = Sodium.PublicKeyBox.GenerateKeyPair();
m_connectionInfo.ClientPublicKey = new ClientPublicKey(keyPair.Public);
m_connectionInfo.ConnectionName = strConnectionName;
if (await m_pairingGDIO.Send(cmd)) //3.
{
var response = await m_pairingGDIO.Recieve(2000); //4.
if (response != null)
{
switch (response.CommandType)
{
case NukiCommandType.PublicKey:
//Continue
cmd = new SendPublicKeyComand(new ClientPublicKey(keyPair.Public));
if (await m_pairingGDIO.Send(cmd)) //6.
{
m_connectionInfo.SmartLockPublicKey = ((RecievePublicKeyCommand)response).PublicKey;
byte[] byDH1 = Sodium.ScalarMult.Mult(keyPair.Secret, SmartLockPublicKey);
var _0 = new byte[16];
var sigma = System.Text.Encoding.UTF8.GetBytes("expand 32-byte k");
m_connectionInfo.SharedKey = new SharedKey(Sodium.KDF.HSalsa20(_0, byDH1, sigma)); //8
response = await m_pairingGDIO.Recieve(2000);
if (response?.CommandType == NukiCommandType.Challenge)
{
cmd = new SendAuthorizationAuthenticatorCommand(this);
if (await m_pairingGDIO.Send(cmd)) //13
{
response = await m_pairingGDIO.Recieve(2000);
if (response?.CommandType == NukiCommandType.Challenge) //15
{
this.SmartLockNonce = ((RecieveChallengeCommand)response).Nonce;
cmd = new SendAuthorizationDataCommand(strConnectionName, this);
if (await m_pairingGDIO.Send(cmd)) //16
{
response = await m_pairingGDIO.Recieve(2000);
if (response?.CommandType == NukiCommandType.AuthorizationID) //19
{
m_connectionInfo.UniqueClientID = ((RecieveAuthorizationIDCommand)response).UniqueClientID;
m_connectionInfo.SmartLockUUID = ((RecieveAuthorizationIDCommand)response).SmartLockUUID;
this.SmartLockNonce = ((RecieveAuthorizationIDCommand)response).SmartLockNonce;
cmd = new SendAuthorizationIDConfirmationCommand(UniqueClientID, this);
if (await m_pairingGDIO.Send(cmd)) //21
{
response = await m_pairingGDIO.Recieve(3000);
if (response?.CommandType == NukiCommandType.Status) //19
{
if (((RecieveStatusCommand)response).StatusCode == NukiErrorCode.COMPLETE)
{
status = BlutoothPairStatus.Successfull;
}
else
{
}
}
else
{
}
}
else
{
//SendAuthorizationIDConfirmationCommand faild
}
}
else
{
}
}
else
{
}
}
else
{
}
}
else
{
}
}
else
{
//failed
}
}
else
{
}
break;
case NukiCommandType.ErrorReport:
switch (((RecieveErrorReportCommand)response).ErrorCode)
{
case NukiErrorCode.P_ERROR_NOT_PAIRING:
status = BlutoothPairStatus.PairingNotActive;
break;
default:
status = BlutoothPairStatus.Failed;
break;
}
break;
default:
status = BlutoothPairStatus.Failed;
break;
}
}
else
{
status = BlutoothPairStatus.Timeout;
}
}
else
{
status = BlutoothPairStatus.Failed;
}
}
else
{
if (m_UGDIO.IsValid || m_pairingGDIO.IsValid
//|| m_GDIO.IsValid
)
{
status = BlutoothPairStatus.MissingCharateristic;
}
}
}
catch (Exception ex)
{
Log.Error("Error in pairing: {0}", ex);
status = BlutoothPairStatus.Failed;
}
finally
{
using (var lockHandle = await Locker.Lock())
{
if (status != BlutoothPairStatus.PairingInProgress)
{
m_blnPairingInProgress = false;
}
}
}
return(new BluetoothPairResult(status, (status == BlutoothPairStatus.Successfull) ? m_connectionInfo : null));
}
public BluetoothPairResult(BlutoothPairStatus status, NukiConnectionConfig connectionInfo)
{
Status = status;
ConnectionInfo = connectionInfo;
}
