padding() private method

private padding ( int bsize ) : void
bsize int
return void
		// encode will bin invoked in write with synchronization.
		public void encode(Packet packet) 
		{
			//System.Console.WriteLine("encode: "+packet.buffer.buffer[5]);
			//System.Console.WriteLine("        "+packet.buffer.index);
			//if(packet.buffer.buffer[5]==96){
			//Thread.dumpStack();
			//}
			if(deflater!=null)
			{
				packet.buffer.index=deflater.compress(packet.buffer.buffer,
					5, packet.buffer.index);
			}
			if(c2scipher!=null)
			{
				packet.padding(c2scipher.getIVSize());
				int pad=packet.buffer.buffer[4];
				lock(random)
				{
					random.fill(packet.buffer.buffer, packet.buffer.index-pad, pad);
				}
			}
			else
			{
				packet.padding(8);
			}
			byte[] mac=null;
			if(c2smac!=null)
			{
				c2smac.update(seqo);
				c2smac.update(packet.buffer.buffer, 0, packet.buffer.index);
				mac=c2smac.doFinal();
			}
			if(c2scipher!=null)
			{
				byte[] buf=packet.buffer.buffer;
				c2scipher.update(buf, 0, packet.buffer.index, buf, 0);
			}
			if(mac!=null)
			{
				packet.buffer.putByte(mac);
			}
		}
Esempio n. 2
0
 // encode will bin invoked in write with synchronization.
 public void encode(Packet packet)
 {
     if (deflater != null)
     {
         packet.buffer.index = deflater.compress(packet.buffer.buffer,
                                                 5, packet.buffer.index);
     }
     if (c2scipher != null)
     {
         packet.padding(c2scipher.getIVSize());
         int pad = packet.buffer.buffer[4];
         lock (random)
         {
             random.fill(packet.buffer.buffer, packet.buffer.index - pad, pad);
         }
     }
     else
     {
         packet.padding(8);
     }
     byte[] mac = null;
     if (c2smac != null)
     {
         c2smac.update(seqo);
         c2smac.update(packet.buffer.buffer, 0, packet.buffer.index);
         mac = c2smac.doFinal();
     }
     if (c2scipher != null)
     {
         byte[] buf = packet.buffer.buffer;
         c2scipher.update(buf, 0, packet.buffer.index, buf, 0);
     }
     if (mac != null)
     {
         packet.buffer.putByte(mac);
     }
 }