bitmessage.network.Pubkey.Pubkey C# (CSharp) Method

        public Pubkey(byte[] data, ref int pos, bool checkSign = false)
        {
            Status = Status.Invalid;
            try
            {
                int timeStartPos = pos - 8;
                if (pos == 12) timeStartPos = 8;// now, time have 4 bite length, but i wait 8

                Version = data.ReadVarInt(ref pos);
                Stream = data.ReadVarInt(ref pos);
                BehaviorBitfield = data.ReadUInt32(ref pos);
                SigningKey = ((byte)4).Concatenate(data.ReadBytes(ref pos, 64));
                EncryptionKey = ((byte)4).Concatenate(data.ReadBytes(ref pos, 64));

                if (Version < 3)
                {
                    Status = Status.Valid;
                    return;
                }
                NonceTrialsPerByte = data.ReadVarInt(ref pos);
                PayloadLengthExtraBytes = data.ReadVarInt(ref pos);

                if (!checkSign)
                {
                    Status = Status.Valid;
                    return;
                }

                if (timeStartPos >= 0)
                {
                    var forCheck = new byte[pos - timeStartPos];
                    Buffer.BlockCopy(data, timeStartPos, forCheck, 0, forCheck.Length);

                    var signLen = (int)data.ReadVarInt(ref pos);
                    var sign = data.ReadBytes(ref pos, signLen);

                    if (forCheck.ECDSAVerify(SigningKey, sign))
                        Status = Status.Valid;
                }
            }
            catch
            {
                Status = Status.Invalid;
            }
        }