// encode will bin invoked in write with synchronization.
public void encode(Packet packet)
{
if (m_deflater != null)
packet.m_buffer.m_index = m_deflater.compress(packet.m_buffer.m_buffer, 5, packet.m_buffer.m_index);
if (m_c2scipher != null)
{
packet.padding(m_c2scipher.IVSize);
int pad = packet.m_buffer.m_buffer[4];
lock (m_random)
{
m_random.fill(packet.m_buffer.m_buffer, packet.m_buffer.m_index - pad, pad);
}
}
else
packet.padding(8);
byte[] mac = null;
if (m_c2smac != null)
{
m_c2smac.update(m_seq_o);
m_c2smac.update(packet.m_buffer.m_buffer, 0, packet.m_buffer.m_index);
mac = m_c2smac.doFinal();
}
if (m_c2scipher != null)
{
byte[] buf = packet.m_buffer.m_buffer;
m_c2scipher.update(buf, 0, packet.m_buffer.m_index, buf, 0);
}
if (mac != null)
packet.m_buffer.putByte(mac);
}
