Example #1
0
        private void CalculateSecretChatParamsAsync()
        {
            MTProtoService.GetDHConfigAsync(new TLInt(0), new TLInt(0),
                                            result =>
            {
                var dhConfig = (TLDHConfig)result;
                if (!TLUtils.CheckPrime(dhConfig.P.Data, dhConfig.G.Value))
                {
                    return;
                }

                var aBytes = new byte[256];
                var random = new SecureRandom();
                random.NextBytes(aBytes);
                _a = TLString.FromBigEndianData(aBytes);
                _p = dhConfig.P;
                _g = dhConfig.G;

                var gaBytes = Telegram.Api.Services.MTProtoService.GetGB(aBytes, dhConfig.G, dhConfig.P);
                _ga         = TLString.FromBigEndianData(gaBytes);
                if (_invokeDelayedUserAction)
                {
                    _invokeDelayedUserAction = false;
                    CreateSecretChat();
                }
            },
                                            error =>
            {
                Execute.ShowDebugMessage("messages.getDhConfig error: " + error);
            });
        }
Example #2
0
        public void GetDHConfig()
        {
            if (_dhConfig != null)
            {
                return;
            }

            _isGettingConfig = true;
            MTProtoService.GetDHConfigAsync(new TLInt(0), new TLInt(0),
                                            result =>
            {
                var dhConfig = result as TLDHConfig;
                if (dhConfig == null)
                {
                    return;
                }
                if (!TLUtils.CheckPrime(dhConfig.P.Data, dhConfig.G.Value))
                {
                    return;
                }

                var aBytes = new byte[256];
                var random = new SecureRandom();
                random.NextBytes(aBytes);

                var gaBytes = Telegram.Api.Services.MTProtoService.GetGB(aBytes, dhConfig.G, dhConfig.P);

                dhConfig.A  = TLString.FromBigEndianData(aBytes);
                dhConfig.GA = TLString.FromBigEndianData(gaBytes);

                _isGettingConfig = false;

                Execute.BeginOnUIThread(() =>
                {
                    _dhConfig = dhConfig;

                    if (_contact != null)
                    {
                        UserAction(_contact);
                    }
                });
            },
                                            error =>
            {
                _isGettingConfig = false;

                IsWorking = false;
                NotifyOfPropertyChange(() => IsNotWorking);
                NotifyOfPropertyChange(() => ProgressVisibility);
                Execute.ShowDebugMessage("messages.getDhConfig error: " + error);
            });
        }