}
        for (int i = length; i < BLOCK_LENGTH; i++) {
            ipad[i] = IPAD;
            opad[i] = OPAD;
        }
        try {
            md5 = MessageDigest.getInstance("MD5");
        } catch (Exception ex) {
            throw new IllegalStateException(ex.getMessage());
        }
        engineReset();
    }

    private HMACT64(HMACT64 hmac) throws CloneNotSupportedException {
        super("HMACT64");

                // encrypted
                try {
                    this.password = pwAuth.getAnsiHash(this.ctx, this.server.encryptionKey);
                }
                catch ( GeneralSecurityException e ) {
                    throw new RuntimeCIFSException("Failed to encrypt password", e);
                }
                this.passwordLength = this.password.length;
            }

            createResp = th.send(create);
        }
        catch ( SmbException e ) {
            Smb2CreateResponse cr = create.getResponse();
            if ( cr != null && cr.isReceived() && cr.getStatus() == NtStatus.NT_STATUS_OK ) {
                try {
                    th.send(new Smb2CloseRequest(th.getConfig(), cr.getFileId()));
                }
                catch ( SmbException e2 ) {
                    e.addSuppressed(e2);

        return 0;
    }
    int writeBytesWireFormat( byte[] dst, int dstIndex ) {
        byte[] dialects;
        try {
            dialects = DIALECTS.getBytes( "ASCII" );
        } catch( UnsupportedEncodingException uee ) {
            return 0;
        }
        System.arraycopy( dialects, 0, dst, dstIndex, dialects.length );
        return dialects.length;
    }

    private int updates;
    private int signSequence;

    public SigningDigest(byte[] macSigningKey, boolean bypass) throws SmbException {
        try {
            digest = MessageDigest.getInstance("MD5");
        } catch (NoSuchAlgorithmException ex) {
            if( log.level > 0 )
                ex.printStackTrace( log );
            throw new SmbException( "MD5", ex );
        }

        this.macSigningKey = macSigningKey;

        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
                sequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        }
        catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos ticket", e);
        }

        Enumeration<?> fields = sequence.getObjects();
        while ( fields.hasMoreElements() ) {

        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
                authSequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        }
        catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos ticket", e);
        }

        this.authorizations = new ArrayList<>();
        Enumeration<?> authElements = authSequence.getObjects();

            for ( int i = 0; i < this.b.length; i++ ) {
                if ( this.b[ i ] != t.b[ i ] ) {
                    return false;
                }
            }
            return true;
        }
        catch ( Throwable e ) {
            return false;
        }
    }


    /*
     * (non-Javadoc)
     * 
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode () {

        this.opad = hmac.opad;
        this.md5 = (MessageDigest) hmac.md5.clone();
    }


    @Override
    public Object clone () {
        try {
            return new HMACT64(this);
        }
        catch ( CloneNotSupportedException ex ) {
            throw new IllegalStateException(ex.getMessage());
        }
    }


    @Override
    protected byte[] engineDigest () {
        byte[] digest = this.md5.digest();

                fd.markClosed();
                return 0;
            }
            return resp.getAvailable();
        }
        catch ( SmbException se ) {
            throw seToIoe(se);
        }
    }


    @Override
    public void close () {
        // ignore, the shared file descriptor is closed by the pipe handle
    }