Package com.sshtools.j2ssh.io

Examples of com.sshtools.j2ssh.io.ByteArrayWriter

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     *
     * @return
     */
    public byte[] getChannelOpenData() {
        try {
            ByteArrayWriter baw = new ByteArrayWriter();
            baw.writeString(hostToConnectOrBind);
            baw.writeInt(portToConnectOrBind);
            baw.writeString(originatingHost);
            baw.writeInt(originatingPort);

            return baw.toByteArray();
        } catch (IOException ioe) {
            return null;
        }
    }
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        if (x11ForwardingConfiguration == null) {
            throw new ForwardingConfigurationException(
                "X11 forwarding hasn't been enabled.");
        }

        ByteArrayWriter baw = new ByteArrayWriter();
        baw.writeString(x11ForwardingConfiguration.getAddressToBind());
        baw.writeInt(x11ForwardingConfiguration.getPortToBind());
        x11ForwardingConfiguration.getState().setValue(StartStopState.STARTED);

        if (log.isDebugEnabled()) {
            log.info("X11 forwarding started");
            log.debug("Address to bind: " +
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            throw new ForwardingConfigurationException(
                "The name is not a valid forwarding configuration");
        }

        ForwardingConfiguration config = (ForwardingConfiguration) remoteForwardings.get(name);
        ByteArrayWriter baw = new ByteArrayWriter();
        baw.writeString(config.getAddressToBind());
        baw.writeInt(config.getPortToBind());
        connection.sendGlobalRequest(REMOTE_FORWARD_REQUEST, true,
            baw.toByteArray());
        remoteForwardings.put(name, config);
        config.getState().setValue(StartStopState.STARTED);
        log.info("Remote forwarding configuration '" + name + "' started");

        if (log.isDebugEnabled()) {
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            throw new ForwardingConfigurationException(
                "The remote forwarding configuration does not exist");
        }

        ForwardingConfiguration config = (ForwardingConfiguration) remoteForwardings.get(name);
        ByteArrayWriter baw = new ByteArrayWriter();
        baw.writeString(config.getAddressToBind());
        baw.writeInt(config.getPortToBind());
        connection.sendGlobalRequest(REMOTE_FORWARD_CANCEL_REQUEST, true,
            baw.toByteArray());
        config.getState().setValue(StartStopState.STOPPED);
        log.info("Remote forwarding configuration '" + name + "' stopped");
    }
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                    break;
                }
            }

            // This is now the public key blob Base64 encoded
            ByteArrayWriter baw = new ByteArrayWriter();

            while (true) {
                blob += line;
                line = reader.readLine();
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     *
     * @return
     */
    public byte[] getEncoded() {
        try {
            ByteArrayWriter baw = new ByteArrayWriter();
            baw.writeString(getAlgorithmName());
            baw.writeBigInteger(pubkey.getParams().getP());
            baw.writeBigInteger(pubkey.getParams().getQ());
            baw.writeBigInteger(pubkey.getParams().getG());
            baw.writeBigInteger(pubkey.getY());

            return baw.toByteArray();
        } catch (IOException ioe) {
            return null;
        }
    }
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     *
     * @return
     */
    public byte[] getEncoded() {
        try {
            ByteArrayWriter baw = new ByteArrayWriter();
            baw.writeString("ssh-dss");
            baw.writeBigInteger(prvkey.getParams().getP());
            baw.writeBigInteger(prvkey.getParams().getQ());
            baw.writeBigInteger(prvkey.getParams().getG());
            baw.writeBigInteger(prvkey.getX());

            return baw.toByteArray();
        } catch (IOException ioe) {
            return null;
        }
    }
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     *
     * @return
     */
    public byte[] encryptKeyblob(byte[] keyblob, String passphrase) {
        try {
            ByteArrayWriter baw = new ByteArrayWriter();
            String type = "none";

            if (passphrase != null) {
                if (!passphrase.trim().equals("")) {
                    // Encrypt the data
                    type = "3DES-CBC";

                    // Decrypt the key
                    byte[] keydata = makePassphraseKey(passphrase);
                    byte[] iv = new byte[8];
                    ConfigurationLoader.getRND().nextBytes(iv);

                    Cipher cipher = Cipher.getInstance(
                            "DESede/CBC/PKCS5Padding");
                    KeySpec keyspec = new DESedeKeySpec(keydata);
                    Key key = SecretKeyFactory.getInstance("DESede")
                                              .generateSecret(keyspec);
                    cipher.init(Cipher.ENCRYPT_MODE, key,
                        new IvParameterSpec(iv, 0, cipher.getBlockSize()));

                    ByteArrayWriter data = new ByteArrayWriter();
                    baw.writeString(type);
                    baw.write(iv);
                    data.writeInt(cookie);
                    data.writeBinaryString(keyblob);

                    // Encrypt and write
                    baw.writeBinaryString(cipher.doFinal(data.toByteArray()));

                    return formatKey(baw.toByteArray());
                }
            }

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                }

                log.debug("SSH signature is " + str);
            }

            ByteArrayWriter baw = new ByteArrayWriter();
            baw.writeString(getAlgorithmName());
            baw.writeBinaryString(decoded);

            return baw.toByteArray();
        } catch (Exception e) {
            throw new InvalidSshKeySignatureException(e);
        }
    }
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     *
     * @return
     */
    public byte[] getEncoded() {
        try {
            ByteArrayWriter baw = new ByteArrayWriter();

            // The private key consists of the public key blob
            baw.write(getPublicKey().getEncoded());

            // And the private data
            baw.writeBigInteger(prvKey.getPrivateExponent());

            return baw.toByteArray();
        } catch (IOException ioe) {
            return null;
        }
    }
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Related Classes of com.sshtools.j2ssh.io.ByteArrayWriter

  • com.sshtools.j2ssh.agent.AgentAuthenticationClient
  • com.sshtools.j2ssh.agent.AgentSocketChannel
  • com.sshtools.j2ssh.agent.KeyConstraints
  • com.sshtools.j2ssh.authentication.HostbasedAuthenticationClient
  • com.sshtools.j2ssh.authentication.KBIAuthenticationClient
  • com.sshtools.j2ssh.authentication.PasswordAuthenticationClient
  • com.sshtools.j2ssh.authentication.PublicKeyAuthenticationClient
  • com.sshtools.j2ssh.connection.SocketChannel$SocketReader
  • com.sshtools.j2ssh.forwarding.ForwardingChannelImpl
  • com.sshtools.j2ssh.forwarding.ForwardingClient
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