public bool PutReciveMessage(byte[] msg, byte[] hash, SMSHash hashid, byte[] ext) { bool bRes = false; ExtKey key = getExt(ext); if (SMSCrypt.CheckHash(hashid, msg, hash) == true) { byte [] res; string err; err = SMSCrypt.SyncDecode(key.SyncID, msg, key.SyncKey, key.SyncIV, out res); if (string.IsNullOrEmpty(err) == true) { if (res.Length != 0) { switch (res[0]) { case 2: //Type 2 - уведомление о получении ключей bRes = recvNotifyRecvExtKeys(key, res); break; case 3: //Type 3 - new messages bRes = recvNewMessage(key, res, hashid, hash); break; case 4: //Type 4 уведомление о принятых сообщениях . bRes = recvDeliveryNotify(key, res); break; } } } } return(bRes); }
bool operateAsyncType1(byte[] data, byte[] tail) { bool isSuccess = false; int off = 1; byte[] ext = null; byte[] sync = null; byte[] iv = null; SMSHash hashid = SMSHash.None; SMSSyncAlgo syncid = SMSSyncAlgo.None; int extlen = 0; int synlen = 0; switch (data[off]) { case 1: //MD5 extlen = 0x10; hashid = SMSHash.MD5; break; } if (extlen > 0) { off++; ext = new byte[extlen]; Array.Copy(data, off, ext, 0, ext.Length); off += ext.Length; } if (hashid != SMSHash.None) { switch (data[off]) { case 1: //DES syncid = SMSSyncAlgo.DES; synlen = 8; break; } } if (synlen > 0) { off++; sync = new byte[synlen]; iv = new byte[synlen]; Array.Copy(data, off, sync, 0, sync.Length); off += sync.Length; Array.Copy(data, off, iv, 0, iv.Length); off += iv.Length; } if (off + 2 == data.Length) // +2 - CRC16 { byte[] contactaddres; string cont = null; if (string.IsNullOrEmpty(SMSCrypt.SyncDecode(syncid, tail, sync, iv, out contactaddres)) == false) { contactaddres = null; } if (contactaddres != null) { try { cont = Encoding.ASCII.GetString(contactaddres); Convert.FromBase64String(cont.Substring(4)); isSuccess = m_acc.updateSynKey(hashid, ext, syncid, sync, iv, cont); } catch { isSuccess = false; } } } if (isSuccess == true) { MORZESendMessage cmdMsgTyp2; //--------------- cmdMsgTyp2 = new MORZESendMessage(); BufferBuilder bb = new BufferBuilder(); bb.AddByte(2); // Type 2 - уведомление о получении ключей bb.AddByte((byte)hashid); bb.AddBytes(SMSCrypt.CalcHash(hashid, sync)); //byte[] msg = bb.GetAllBytes(); //bb = new BufferBuilder(); //bb.AddByte((byte)((int)0x80 ^ (int)hashid)); //bb.AddBytes(SMSCrypt.CalcHash(hashid, msg)); //bb.AddBytes(ext); //bb.AddBytes(msg); //cmdMsgTyp2.WriteBytes(bb.GetAllBytes()); byte[] res; if (string.IsNullOrEmpty(SMSCrypt.SyncEncode(syncid, bb.GetAllBytes(), sync, iv, out res)) == true) {//send notify to client cmdMsgTyp2.AddMessageBody(res, hashid, ext); if (m_responses == null) { m_responses = new List <SMSSendCommand>(); } //set server filter setting SMSSendExt setext = new SMSSendExt(); setext.pushExt(hashid, ext); m_responses.Add(setext); m_responses.Add(cmdMsgTyp2); } else { isSuccess = false; } } return(isSuccess); }