Package ch.ethz.ssh2.crypto.digest

Examples of ch.ethz.ssh2.crypto.digest.MD5

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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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        || kxs.np.kex_algo.equals("diffie-hellman-group14-sha1"))
    {
      if (kxs.state == 1)
      {

        PacketKexDHReply dhr = new PacketKexDHReply(msg, 0, msglen);

        kxs.hostkey = dhr.getHostKey();

        if (verifier != null)
        {
          boolean vres = false;

          try
          {
            vres = verifier.verifyServerHostKey(hostname, port, kxs.np.server_host_key_algo, kxs.hostkey);
          }
          catch (Exception e)
          {
            throw (IOException) new IOException(
                "The server hostkey was not accepted by the verifier callback.").initCause(e);
          }

          if (vres == false)
            throw new IOException("The server hostkey was not accepted by the verifier callback");
        }

        kxs.dhx.setF(dhr.getF());

        try
        {
          kxs.H = kxs.dhx.calculateH(csh.getClientString(), csh.getServerString(), kxs.localKEX.getPayload(),
              kxs.remoteKEX.getPayload(), dhr.getHostKey());
        }
        catch (IllegalArgumentException e)
        {
          throw (IOException) new IOException("KEX error.").initCause(e);
        }

        boolean res = verifySignature(dhr.getSignature(), kxs.hostkey);

        if (res == false)
          throw new IOException("Hostkey signature sent by remote is wrong!");

        kxs.K = kxs.dhx.getK();
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    if (kxs.np.kex_algo.equals("diffie-hellman-group-exchange-sha1"))
    {
      if (kxs.state == 1)
      {
        PacketKexDhGexGroup dhgexgrp = new PacketKexDhGexGroup(msg, 0, msglen);
        kxs.dhgx = new DhGroupExchange(dhgexgrp.getP(), dhgexgrp.getG());
        kxs.dhgx.init(rnd);
        PacketKexDhGexInit dhgexinit = new PacketKexDhGexInit(kxs.dhgx.getE());
        tm.sendKexMessage(dhgexinit.getPayload());
        kxs.state = 2;
        return;
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      if (kxs.state == 1)
      {
        PacketKexDhGexGroup dhgexgrp = new PacketKexDhGexGroup(msg, 0, msglen);
        kxs.dhgx = new DhGroupExchange(dhgexgrp.getP(), dhgexgrp.getG());
        kxs.dhgx.init(rnd);
        PacketKexDhGexInit dhgexinit = new PacketKexDhGexInit(kxs.dhgx.getE());
        tm.sendKexMessage(dhgexinit.getPayload());
        kxs.state = 2;
        return;
      }

      if (kxs.state == 2)
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        return;
      }

      if (kxs.state == 2)
      {
        PacketKexDhGexReply dhgexrpl = new PacketKexDhGexReply(msg, 0, msglen);

        kxs.hostkey = dhgexrpl.getHostKey();

        if (verifier != null)
        {
          boolean vres = false;

          try
          {
            vres = verifier.verifyServerHostKey(hostname, port, kxs.np.server_host_key_algo, kxs.hostkey);
          }
          catch (Exception e)
          {
            throw (IOException) new IOException(
                "The server hostkey was not accepted by the verifier callback.").initCause(e);
          }

          if (vres == false)
            throw new IOException("The server hostkey was not accepted by the verifier callback");
        }

        kxs.dhgx.setF(dhgexrpl.getF());

        try
        {
          kxs.H = kxs.dhgx.calculateH(csh.getClientString(), csh.getServerString(),
              kxs.localKEX.getPayload(), kxs.remoteKEX.getPayload(), dhgexrpl.getHostKey(),
              kxs.dhgexParameters);
        }
        catch (IllegalArgumentException e)
        {
          throw (IOException) new IOException("KEX error.").initCause(e);
        }

        boolean res = verifySignature(dhgexrpl.getSignature(), kxs.hostkey);

        if (res == false)
          throw new IOException("Hostkey signature sent by remote is wrong!");

        kxs.K = kxs.dhgx.getK();
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      PacketUserauthRequestNone urn = new PacketUserauthRequestNone("ssh-connection", user);
      tm.sendMessage(urn.getPayload());

      byte[] msg = getNextMessage();
      new PacketServiceAccept(msg, 0, msg.length);
      msg = getNextMessage();

      initDone = true;

      if (msg[0] == Packets.SSH_MSG_USERAUTH_SUCCESS)
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  {
    if (initDone == false)
    {
      tm.registerMessageHandler(this, 0, 255);

      PacketServiceRequest sr = new PacketServiceRequest("ssh-userauth");
      tm.sendMessage(sr.getPayload());

      PacketUserauthRequestNone urn = new PacketUserauthRequestNone("ssh-connection", user);
      tm.sendMessage(urn.getPayload());

      byte[] msg = getNextMessage();
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      byte[] msg = deQueue();

      if (msg[0] != Packets.SSH_MSG_USERAUTH_BANNER)
        return msg;

      PacketUserauthBanner sb = new PacketUserauthBanner(msg, 0, msg.length);

      banner = sb.getBanner();
    }
  }
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        return true;
      }

      if (msg[0] == Packets.SSH_MSG_USERAUTH_FAILURE)
      {
        PacketUserauthFailure puf = new PacketUserauthFailure(msg, 0, msg.length);

        remainingMethods = puf.getAuthThatCanContinue();
        isPartialSuccess = puf.isPartialSuccess();
        return false;
      }

      throw new IOException("Unexpected SSH message (type " + msg[0] + ")");
    }
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        return true;
      }

      if (ar[0] == Packets.SSH_MSG_USERAUTH_FAILURE)
      {
        PacketUserauthFailure puf = new PacketUserauthFailure(ar, 0, ar.length);

        remainingMethods = puf.getAuthThatCanContinue();
        isPartialSuccess = puf.isPartialSuccess();

        return false;
      }

      throw new IOException("Unexpected SSH message (type " + ar[0] + ")");
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Related Classes of ch.ethz.ssh2.crypto.digest.MD5

  • 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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