示例#1
0
        public override void init(Session session,
			byte[] V_S, byte[] V_C, byte[] I_S, byte[] I_C)
        {
            this.session=session;
            this.V_S=V_S;
            this.V_C=V_C;
            this.I_S=I_S;
            this.I_C=I_C;

            //    sha=new SHA1();
            //    sha.init();
            try
            {
                Type t=Type.GetType(session.getConfig("sha-1"));
                sha=(HASH)(Activator.CreateInstance(t));
                sha.init();
            }
            catch(Exception ee)
            {
                Console.WriteLine(ee);
            }

            buf=new Buffer();
            packet=new Packet(buf);

            try
            {
                Type t=Type.GetType(session.getConfig("dh"));
                dh=(DH)(Activator.CreateInstance(t));
                dh.init();
            }
            catch(Exception ee)
            {
                throw ee;
            }

            dh.setP(p);
            dh.setG(g);

            // The client responds with:
            // byte  SSH_MSG_KEXDH_INIT(30)
            // mpint e <- g^x mod p
            //         x is a random number (1 < x < (p-1)/2)

            e=dh.getE();

            packet.reset();
            buf.putByte((byte)SSH_MSG_KEXDH_INIT);
            buf.putMPInt(e);
            session.write(packet);

            state=SSH_MSG_KEXDH_REPLY;
        }