public SenderKeyGroupData(byte[] serialized)
{
try
{
byte[][] messageParts = ByteUtil.Split(serialized, 1, serialized.Length - 1);
byte version = messageParts[0][0];
byte[] message = messageParts[1];
if (ByteUtil.HighBitsToInt(version) < CipherTextMessage.CURRENT_VERSION)
{
throw new LegacyMessageException("Legacy message: " + ByteUtil.HighBitsToInt(version));
}
if (ByteUtil.HighBitsToInt(version) > CURRENT_VERSION)
{
throw new InvalidMessageException("Unknown version: " + ByteUtil.HighBitsToInt(version));
}
WhisperProtos.SenderKeyGroupData senderKeyGroupMessage = WhisperProtos.SenderKeyGroupData.ParseFrom(message);
if (!senderKeyGroupMessage.HasMessage ||
!senderKeyGroupMessage.HasSenderKey)
{
throw new InvalidMessageException("Incomplete message.");
}
this.serialized = serialized;
this.message = senderKeyGroupMessage.Message.ToByteArray();
this.senderKey = new SenderKeyGroupMessage(senderKeyGroupMessage.SenderKey.ToByteArray());
}
catch (Exception e)
{
throw new InvalidMessageException(e);
}
}
public SenderKeyGroupData(byte[] message, SenderKeyGroupMessage senderKey)
{
byte[] version = { ByteUtil.IntsToByteHighAndLow((int)CURRENT_VERSION, (int)CURRENT_VERSION) };
WhisperProtos.SenderKeyGroupMessage wSenderKey = WhisperProtos.SenderKeyGroupMessage.CreateBuilder()
.SetGroupId(ByteString.CopyFrom(senderKey.GetGroupId()))
.SetSenderKey(ByteString.CopyFrom(senderKey.GetSenderKey()))
.Build();
byte[] protobuf = WhisperProtos.SenderKeyGroupData.CreateBuilder()
.SetMessage(ByteString.CopyFrom(message))
.SetSenderKey(wSenderKey)
.Build().ToByteArray();
this.message = message;
this.senderKey = senderKey;
this.serialized = ByteUtil.Combine(version, protobuf);
}