public override async Task <bool> SendMessage(string message)
{
try {
logger.info("send message with key: {0}", BitConverter.ToString(key).Replace("-", "").ToLower());
long messageId = Helpers.GenerateRandomLong();
DecryptedMessage msg = TL.decryptedMessage(messageId, Helpers.GenerateRandomBytes(128), message, TL.decryptedMessageMediaEmpty());
byte[] data;
using (MemoryStream memory = new MemoryStream()) {
using (BinaryWriter writer = new BinaryWriter(memory)) {
msg.Write(writer);
data = memory.ToArray();
}
}
using (MemoryStream memory = new MemoryStream()) {
using (BinaryWriter writer = new BinaryWriter(memory)) {
writer.Write(data.Length);
writer.Write(data);
data = memory.ToArray();
}
}
byte[] msgKey = Helpers.CalcMsgKey(data);
AESKeyData aesKey = Helpers.CalcKey(key, msgKey, true);
data = AES.EncryptAES(aesKey, data);
using (MemoryStream memory = new MemoryStream()) {
using (BinaryWriter writer = new BinaryWriter(memory)) {
writer.Write(fingerprint);
writer.Write(msgKey);
writer.Write(data);
data = memory.ToArray();
}
}
Messages_sentEncryptedMessageConstructor sent = (Messages_sentEncryptedMessageConstructor)await session.Api.messages_sendEncrypted(InputEncryptedChat, messageId, data);
MessageModel messageModel = new MessageModelEncryptedDelivered(TelegramSession.Instance.SelfId, OpponentId, sent.date, true, true, msg, TL.encryptedFileEmpty());
messages.Add(messageModel);
TelegramSession.Instance.Dialogs.Model.UpDialog(this);
return(true);
} catch (Exception e) {
logger.error("send encrypted message exception: {0}", e);
return(false);
}
}
