Package ch.ethz.ssh2.packets

Examples of ch.ethz.ssh2.packets.PacketKexInit

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    PacketNewKeys ign = new PacketNewKeys();
    tm.sendKexMessage(ign.getPayload());

    BlockCipher cbc;
    MAC mac;

    try
    {
      cbc = BlockCipherFactory.createCipher(kxs.np.enc_algo_client_to_server, true, km.enc_key_client_to_server,
          km.initial_iv_client_to_server);

      mac = new MAC(kxs.np.mac_algo_client_to_server, km.integrity_key_client_to_server);

    }
    catch (IllegalArgumentException e1)
    {
      throw new IOException("Fatal error during MAC startup!");
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    {
      if (km == null)
        throw new IOException("Peer sent SSH_MSG_NEWKEYS, but I have no key material ready!");

      BlockCipher cbc;
      MAC mac;

      try
      {
        cbc = BlockCipherFactory.createCipher(kxs.np.enc_algo_server_to_client, false,
            km.enc_key_server_to_client, km.initial_iv_server_to_client);

        mac = new MAC(kxs.np.mac_algo_server_to_client, km.integrity_key_server_to_client);

      }
      catch (IllegalArgumentException e1)
      {
        throw new IOException("Fatal error during MAC startup!");
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        if (kxs.np.kex_algo.equals("diffie-hellman-group1-sha1"))
          kxs.dhx.init(1, rnd);
        else
          kxs.dhx.init(14, rnd);

        PacketKexDHInit kp = new PacketKexDHInit(kxs.dhx.getE());
        tm.sendKexMessage(kp.getPayload());
        kxs.state = 1;
        return;
      }

      throw new IllegalStateException("Unkown KEX method!");
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    if (kxs == null)
    {
      kxs = new KexState();

      kxs.dhgexParameters = nextKEXdhgexParameters;
      PacketKexInit kp = new PacketKexInit(nextKEXcryptoWishList, rnd);
      kxs.localKEX = kp;
      tm.sendKexMessage(kp.getPayload());
    }
  }
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    throw new IOException("Unknown server host key algorithm '" + kxs.np.server_host_key_algo + "'");
  }

  public synchronized void handleMessage(byte[] msg, int msglen) throws IOException
  {
    PacketKexInit kip;

    if (msg == null)
    {
      synchronized (accessLock)
      {
        connectionClosed = true;
        accessLock.notifyAll();
        return;
      }
    }

    if ((kxs == null) && (msg[0] != Packets.SSH_MSG_KEXINIT))
      throw new IOException("Unexpected KEX message (type " + msg[0] + ")");

    if (ignore_next_kex_packet)
    {
      ignore_next_kex_packet = false;
      return;
    }

    if (msg[0] == Packets.SSH_MSG_KEXINIT)
    {
      if ((kxs != null) && (kxs.state != 0))
        throw new IOException("Unexpected SSH_MSG_KEXINIT message during on-going kex exchange!");

      if (kxs == null)
      {
        /*
         * Ah, OK, peer wants to do KEX. Let's be nice and play
         * together.
         */
        kxs = new KexState();
        kxs.dhgexParameters = nextKEXdhgexParameters;
        kip = new PacketKexInit(nextKEXcryptoWishList, rnd);
        kxs.localKEX = kip;
        tm.sendKexMessage(kip.getPayload());
      }

      kip = new PacketKexInit(msg, 0, msglen);
      kxs.remoteKEX = kip;

      kxs.np = mergeKexParameters(kxs.localKEX.getKexParameters(), kxs.remoteKEX.getKexParameters());

      if (kxs.np == null)
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    if (kxs == null)
    {
      kxs = new KexState();

      kxs.dhgexParameters = nextKEXdhgexParameters;
      PacketKexInit kp = new PacketKexInit(nextKEXcryptoWishList, rnd);
      kxs.localKEX = kp;
      tm.sendKexMessage(kp.getPayload());
    }
  }
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    throw new IOException("Unknown server host key algorithm '" + kxs.np.server_host_key_algo + "'");
  }

  public synchronized void handleMessage(byte[] msg, int msglen) throws IOException
  {
    PacketKexInit kip;

    if (msg == null)
    {
      synchronized (accessLock)
      {
        connectionClosed = true;
        accessLock.notifyAll();
        return;
      }
    }

    if ((kxs == null) && (msg[0] != Packets.SSH_MSG_KEXINIT))
      throw new IOException("Unexpected KEX message (type " + msg[0] + ")");

    if (ignore_next_kex_packet)
    {
      ignore_next_kex_packet = false;
      return;
    }

    if (msg[0] == Packets.SSH_MSG_KEXINIT)
    {
      if ((kxs != null) && (kxs.state != 0))
        throw new IOException("Unexpected SSH_MSG_KEXINIT message during on-going kex exchange!");

      if (kxs == null)
      {
        /*
         * Ah, OK, peer wants to do KEX. Let's be nice and play
         * together.
         */
        kxs = new KexState();
        kxs.dhgexParameters = nextKEXdhgexParameters;
        kip = new PacketKexInit(nextKEXcryptoWishList, rnd);
        kxs.localKEX = kip;
        tm.sendKexMessage(kip.getPayload());
      }

      kip = new PacketKexInit(msg, 0, msglen);
      kxs.remoteKEX = kip;

      kxs.np = mergeKexParameters(kxs.localKEX.getKexParameters(), kxs.remoteKEX.getKexParameters());

      if (kxs.np == null)
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    if (kxs == null)
    {
      kxs = new KexState();

      kxs.dhgexParameters = nextKEXdhgexParameters;
      PacketKexInit kp = new PacketKexInit(nextKEXcryptoWishList, rnd);
      kxs.localKEX = kp;
      tm.sendKexMessage(kp.getPayload());
    }
  }
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    throw new IOException("Unknown server host key algorithm '" + kxs.np.server_host_key_algo + "'");
  }

  public synchronized void handleMessage(byte[] msg, int msglen) throws IOException
  {
    PacketKexInit kip;

    if (msg == null)
    {
      synchronized (accessLock)
      {
        connectionClosed = true;
        accessLock.notifyAll();
        return;
      }
    }

    if ((kxs == null) && (msg[0] != Packets.SSH_MSG_KEXINIT))
      throw new IOException("Unexpected KEX message (type " + msg[0] + ")");

    if (ignore_next_kex_packet)
    {
      ignore_next_kex_packet = false;
      return;
    }

    if (msg[0] == Packets.SSH_MSG_KEXINIT)
    {
      if ((kxs != null) && (kxs.state != 0))
        throw new IOException("Unexpected SSH_MSG_KEXINIT message during on-going kex exchange!");

      if (kxs == null)
      {
        /*
         * Ah, OK, peer wants to do KEX. Let's be nice and play
         * together.
         */
        kxs = new KexState();
        kxs.dhgexParameters = nextKEXdhgexParameters;
        kip = new PacketKexInit(nextKEXcryptoWishList, rnd);
        kxs.localKEX = kip;
        tm.sendKexMessage(kip.getPayload());
      }

      kip = new PacketKexInit(msg, 0, msglen);
      kxs.remoteKEX = kip;

      kxs.np = mergeKexParameters(kxs.localKEX.getKexParameters(), kxs.remoteKEX.getKexParameters());

      if (kxs.np == null)
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  }

 
  public synchronized void handleMessage(byte[] msg, int msglen) throws IOException
  {
    PacketKexInit kip;

    if (msg == null)
    {
      synchronized (accessLock)
      {
        connectionClosed = true;
        accessLock.notifyAll();
        return;
      }
    }

    if ((kxs == null) && (msg[0] != Packets.SSH_MSG_KEXINIT))
      throw new IOException("Unexpected KEX message (type " + msg[0] + ")");

    if (ignore_next_kex_packet)
    {
      ignore_next_kex_packet = false;
      return;
    }

    if (msg[0] == Packets.SSH_MSG_KEXINIT)
    {
      if ((kxs != null) && (kxs.state != 0))
        throw new IOException("Unexpected SSH_MSG_KEXINIT message during on-going kex exchange!");

      if (kxs == null)
      {
        /*
         * Ah, OK, peer wants to do KEX. Let's be nice and play
         * together.
         */
        kxs = new KexState();
        kxs.dhgexParameters = nextKEXdhgexParameters;
        kip = new PacketKexInit(nextKEXcryptoWishList, rnd);
        kxs.localKEX = kip;
        tm.sendKexMessage(kip.getPayload());
      }

      kip = new PacketKexInit(msg, 0, msglen);
      kxs.remoteKEX = kip;

      kxs.np = mergeKexParameters(kxs.localKEX.getKexParameters(), kxs.remoteKEX.getKexParameters());

      if (kxs.np == null)
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Related Classes of ch.ethz.ssh2.packets.PacketKexInit

  • Basic
  • BasicWithHTTPProxy
  • ch.ethz.ssh2.auth.AuthenticationManager
  • ch.ethz.ssh2.auth.ServerAuthenticationManager
  • ch.ethz.ssh2.channel.ChannelManager
  • ch.ethz.ssh2.channel.LocalAcceptThread
  • ch.ethz.ssh2.Connection
  • ch.ethz.ssh2.ConnectionInfo
  • ch.ethz.ssh2.crypto.cipher.BlockCipher
  • ch.ethz.ssh2.crypto.dh.DhExchange
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