public static GetPrivateKey ( SQLite.SQLiteAsyncConnection conn, string name ) : |
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conn | SQLite.SQLiteAsyncConnection | |
name | string | |
return |
private Payload GetPayload() { lock (_lock4GetPayload) if (_payload == null) { PrivateKey myPrivkeyFrom = PrivateKey.GetPrivateKey(_bm.DB, KeyFrom); if (myPrivkeyFrom == null) { throw new Exception("PrivateKey not found"); } Pubkey pubkeyTo = Pubkey.Find(_bm.DB, KeyTo); // TODO Получать ключ, если его ещё нет if (pubkeyTo == null) { throw new Exception("Pubkey not found"); } var payload = new MemoryStream(1000 + Subject.Length + Body.Length); // TODO realy 1000? var rnd = new Random(); ulong dt = DateTime.UtcNow.ToUnix() + (ulong)rnd.Next(600) - 300; payload.Write(dt); payload.WriteVarInt(Stream); var dataToEncrypt = new MemoryStream(1000 + Subject.Length + Body.Length); // TODO realy 1000? dataToEncrypt.WriteVarInt(Version); byte[] publicAddress = myPrivkeyFrom.GetPayload4Broadcast(); dataToEncrypt.Write(publicAddress, 0, publicAddress.Length); dataToEncrypt.Write(pubkeyTo.Hash, 0, 20); var encodingType = (byte)EncodingType; dataToEncrypt.Write(encodingType); dataToEncrypt.WriteVarStr("Subject:" + Subject + "\nBody:" + Body); byte[] askMsg = PayloadOfAskData().GetFullMsg(); dataToEncrypt.WriteVarInt((UInt64)askMsg.Length); dataToEncrypt.Write(askMsg, 0, askMsg.Length); byte[] signature = myPrivkeyFrom.Sign(dataToEncrypt.ToArray()); //Debug.WriteLine("data=" + dataToEncrypt.ToArray().ToHex()); //Debug.WriteLine("SigningKey=" + myPrivkeyFrom.SigningKey.ToHex()); //Debug.WriteLine("signature=" + signature.ToHex()); dataToEncrypt.WriteVarInt((UInt64)signature.Length); dataToEncrypt.Write(signature, 0, signature.Length); byte[] bytesToEncrypt = dataToEncrypt.ToArray(); byte[] encrypt = ECDSA.Encrypt(bytesToEncrypt, pubkeyTo.EncryptionKey); payload.Write(encrypt, 0, encrypt.Length); _payload = new Payload("msg", ProofOfWork.AddPow(payload.ToArray())); } return(_payload); }
private Payload GetPayload() { lock (_lock4GetPayload) if (_payload == null) { if (_version == 2) { PrivateKey privkey = PrivateKey.GetPrivateKey(_bm.DB, Key); if (privkey == null) { throw new Exception("PrivateKey not found"); } MemoryStream payload = new MemoryStream(1000 + Subject.Length + Body.Length); // TODO realy 1000? Random rnd = new Random(); ulong dt = DateTime.UtcNow.ToUnix() + (ulong)rnd.Next(600) - 300; payload.Write(dt); payload.WriteVarInt(Version); payload.WriteVarInt(Stream); MemoryStream dataToEncrypt = new MemoryStream(1000 + Subject.Length + Body.Length); // TODO realy 1000? dataToEncrypt.WriteVarInt(Version); byte[] publicAddress = privkey.GetPayload4Broadcast(); dataToEncrypt.Write(publicAddress, 0, publicAddress.Length); Byte encodingType = (byte)EncodingType; dataToEncrypt.Write(encodingType); dataToEncrypt.WriteVarStr("Subject:" + Subject + "\nBody:" + Body); byte[] signature = privkey.Sign(dataToEncrypt.ToArray()); dataToEncrypt.WriteVarInt((UInt64)signature.Length); dataToEncrypt.Write(signature, 0, signature.Length); var privEncryptionKey = privkey.Sha512VersionStreamHashFirst32(); var pubEncryptionKey = ECDSA.PointMult(privEncryptionKey); byte[] bytesToEncrypt = dataToEncrypt.ToArray(); byte[] encrypt = ECDSA.Encrypt(bytesToEncrypt, pubEncryptionKey); payload.Write(encrypt, 0, encrypt.Length); _payload = new Payload("broadcast", ProofOfWork.AddPow(payload.ToArray())); } } return(_payload); }