private bool Callback(IntPtr pvParam, ref BLUETOOTH_AUTHENTICATION_CALLBACK_PARAMS pAuthCallbackParams)
{
switch (pAuthCallbackParams.authenticationMethod)
{
case BluetoothAuthenticationMethod.Passkey:
case BluetoothAuthenticationMethod.NumericComparison:
BLUETOOTH_AUTHENTICATE_RESPONSE__NUMERIC_COMPARISON_PASSKEY_INFO nresponse = new BLUETOOTH_AUTHENTICATE_RESPONSE__NUMERIC_COMPARISON_PASSKEY_INFO();
nresponse.authMethod = pAuthCallbackParams.authenticationMethod;
nresponse.bthAddressRemote = pAuthCallbackParams.deviceInfo.Address;
nresponse.numericComp_passkey = pAuthCallbackParams.Numeric_Value_Passkey;
return(NativeMethods.BluetoothSendAuthenticationResponseEx(IntPtr.Zero, ref nresponse) == 0);
case BluetoothAuthenticationMethod.Legacy:
BLUETOOTH_AUTHENTICATE_RESPONSE__PIN_INFO response = new BLUETOOTH_AUTHENTICATE_RESPONSE__PIN_INFO();
response.authMethod = pAuthCallbackParams.authenticationMethod;
response.bthAddressRemote = pAuthCallbackParams.deviceInfo.Address;
response.pinInfo.pin = new byte[16];
System.Text.Encoding.ASCII.GetBytes(_pin).CopyTo(response.pinInfo.pin, 0);
response.pinInfo.pinLength = _pin.Length;
return(NativeMethods.BluetoothSendAuthenticationResponseEx(IntPtr.Zero, ref response) == 0);
}
return(false);
}
private bool Callback(IntPtr pvParam, ref BLUETOOTH_AUTHENTICATION_CALLBACK_PARAMS pAuthCallbackParams)
{
try
{
switch (pAuthCallbackParams.authenticationMethod)
{
case BluetoothAuthenticationMethod.Passkey:
case BluetoothAuthenticationMethod.NumericComparison:
BLUETOOTH_AUTHENTICATE_RESPONSE__NUMERIC_COMPARISON_PASSKEY_INFO nresponse = new BLUETOOTH_AUTHENTICATE_RESPONSE__NUMERIC_COMPARISON_PASSKEY_INFO
{
authMethod = pAuthCallbackParams.authenticationMethod,
bthAddressRemote = pAuthCallbackParams.deviceInfo.Address,
numericComp_passkey = pAuthCallbackParams.Numeric_Value_Passkey
};
int result = NativeMethods.BluetoothSendAuthenticationResponseEx(IntPtr.Zero, ref nresponse);
System.Diagnostics.Debug.WriteLine($"{result} {nresponse.negativeResponse}");
return(result == 0);
case BluetoothAuthenticationMethod.Legacy:
BLUETOOTH_AUTHENTICATE_RESPONSE__PIN_INFO response = new BLUETOOTH_AUTHENTICATE_RESPONSE__PIN_INFO
{
authMethod = pAuthCallbackParams.authenticationMethod,
bthAddressRemote = pAuthCallbackParams.deviceInfo.Address
};
response.pinInfo.pin = new byte[16];
System.Text.Encoding.ASCII.GetBytes(_pin).CopyTo(response.pinInfo.pin, 0);
response.pinInfo.pinLength = _pin.Length;
int authResult = NativeMethods.BluetoothSendAuthenticationResponseEx(IntPtr.Zero, ref response);
System.Diagnostics.Debug.WriteLine($"BluetoothSendAuthenticationResponseEx: {authResult}");
return(authResult == 0);
}
return(false);
}
finally
{
_waitHandle.Set();
// after one call remove the registration
BluetoothSecurity.RemoveRedundantAuthHandler(Address);
}
}
internal static extern int BluetoothSendAuthenticationResponseEx(IntPtr hRadio, ref BLUETOOTH_AUTHENTICATE_RESPONSE__PIN_INFO pauthResponse);