Method init has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    private void init() throws IOException
    {
        /* Send SSH_FXP_INIT (version 3) */

        final int client_version = 3;

Method decodePublicKey has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    @Override
    public PublicKey decodePublicKey(byte[] key) throws IOException {
        TypesReader tr = new TypesReader(key);

        String key_format = tr.readString();

Method generateKeyFromPasswordSaltWithMD5 has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    private static byte[] generateKeyFromPasswordSaltWithMD5(byte[] password, byte[] salt, int keyLen)
            throws IOException
    {
        if (salt.length < 8)
            throw new IllegalArgumentException("Salt needs to be at least 8 bytes for key generation.");

Method onConnect has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

        private void onConnect(Socks5Server server) throws IOException {
            final Channel cn;

            String destHost = server.getHostName();
            if (destHost == null) {

Method waitForChannelRequestResult has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    private boolean waitForChannelRequestResult(Channel c) throws IOException
    {
        synchronized (c)
        {
            while ((c.successCounter == 0) && (c.failedCounter == 0))

Method put has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public void put(byte[] data, String remoteFileName, String remoteTargetDirectory, String mode) throws IOException
    {
        Session sess = null;

        if ((remoteFileName == null) || (remoteTargetDirectory == null) || (mode == null))

Method requestX11 has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public void requestX11(Channel c, boolean singleConnection, String x11AuthenticationProtocol,
            String x11AuthenticationCookie, int x11ScreenNumber) throws IOException
    {
        PacketSessionX11Request psr;

Method recommendHostkeyAlgorithms has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    private String[] recommendHostkeyAlgorithms(String hostname) {
        List<String> preferredAlgos = new ArrayList<>();

        List<PublicKey> keys = getAllKeys(hostname);

Method generateKeyFromPasswordSaltWithMD5 has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    private static byte[] generateKeyFromPasswordSaltWithMD5(byte[] password, byte[] salt, int keyLen)
            throws IOException
    {
        if (salt.length < 8)
            throw new IllegalArgumentException("Salt needs to be at least 8 bytes for key generation.");

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Method getFirstMatch has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    private String getFirstMatch(String[] client, String[] server) throws NegotiateException
    {
        if (client == null || server == null)
            throw new IllegalArgumentException();

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Method requestPTY has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    public void requestPTY(String term, int term_width_characters, int term_height_characters, int term_width_pixels,
            int term_height_pixels, byte[] terminal_modes) throws IOException
    {
        if (term == null)
            throw new IllegalArgumentException("TERM cannot be null.");

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Method put has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    public void put(byte[] data, String remoteFileName, String remoteTargetDirectory, String mode) throws IOException
    {
        Session sess = null;

        if ((remoteFileName == null) || (remoteTargetDirectory == null) || (mode == null))

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Method addHostkey has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    public void addHostkey(String[] hostnames, String serverHostKeyAlgorithm, byte[] serverHostKey) throws IOException
    {
        if (hostnames == null)
            throw new IllegalArgumentException("hostnames may not be null");

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Method parseCLine has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    private LenNamePair parseCLine(String line) throws IOException
    {
        /* Minimum line: "xxxx y z" ---> 8 chars */

        long len;

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Method requestPTY has 7 arguments (exceeds 4 allowed). Consider refactoring.

Open

    public void requestPTY(Channel c, String term, int term_width_characters, int term_height_characters,
            int term_width_pixels, int term_height_pixels, byte[] terminal_modes) throws IOException

Method calculateH has 7 arguments (exceeds 4 allowed). Consider refactoring.

Open

    public byte[] calculateH(String hashAlgo, byte[] clientversion, byte[] serverversion,
            byte[] clientKexPayload, byte[] serverKexPayload, byte[] hostKey, DHGexParameters para)

Method init has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

    private void init() throws IOException
    {
        /* Send SSH_FXP_INIT (version 3) */

        final int client_version = 3;

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Avoid deeply nested control flow statements.

Open

                        if ((c >= 32) && (c <= 126))
                            continue;

Avoid deeply nested control flow statements.

Open

                        if (capableAlgo.equals(knownAlgo)) {
                            filteredAlgorithms.add(knownAlgo);
                        }

Method initialize has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

    public void initialize(CryptoWishList cwl, ServerHostKeyVerifier verifier, DHGexParameters dhgex,
            int connectTimeout, SecureRandom rnd, ProxyData proxyData) throws IOException