requireNonNull(str, "str");
        final int length = str.length();
        if (length > 1
                && str.startsWith("\"")
                && str.endsWith("\"")
                && str.substring(1, length - 1).indexOf('"') == -1) {
            str = str.substring(1, length - 1);
        }
        return str;
    }

    @Nonnull

        if (defaultWords == null) {
            updateDefaultBadwords();
        }
        final String[] concat = new String[defaultWords.length + badWords.length];
        System.arraycopy(badWords, 0, concat, 0, badWords.length);
        System.arraycopy(defaultWords, 0, concat, badWords.length, defaultWords.length);
        return concat;
    }

    /**
     * Add a bad word.
     * @param badWord Bad word
     */

                configConfigMap.put(key.substring(CONFIG_PREFIX.length()), entry.getValue());
            } else if (key.startsWith(CLIENT_PREFIX)) {
                clientConfigMap.put(key.substring(CLIENT_PREFIX.length()), entry.getValue());
            } else if (key.startsWith(XPATH_PREFIX)) {
                xpathConfigMap.put(key.substring(XPATH_PREFIX.length()), entry.getValue());
            } else if (key.startsWith(META_PREFIX)) {

        checkArgument(
            fromUpperBounds.length == toUpperBounds.length
                && fromLowerBounds.length == toLowerBounds.length,
            "Incompatible type: %s vs. %s",
            fromWildcardType,
            to);
        for (int i = 0; i < fromUpperBounds.length; i++) {
          populateTypeMappings(mappings, fromUpperBounds[i], toUpperBounds[i]);
        }

        long expectedLength = 1024L;
        when(smbFile.length()).thenReturn(expectedLength);

        assertEquals(expectedLength, smbRandomAccessFile.length());
    }

    @Test
    void testSetLength() throws SmbException {
        long newLength = 2048L;
        smbRandomAccessFile.setLength(newLength);
        // Verify length was set (actual behavior depends on implementation)
    }

    @Test

    public SecureCredentialStorage(char[] masterPassword, byte[] salt) throws GeneralSecurityException {
        if (masterPassword == null || masterPassword.length == 0) {
            throw new IllegalArgumentException("Master password cannot be null or empty");
        }
        if (salt == null || salt.length != SALT_SIZE) {
            throw new IllegalArgumentException("Invalid salt");
        }

        this.salt = salt.clone();

        return "Type2Message[target=" + target + ",challenge=" + (challenge == null ? "null" : "<" + challenge.length + " bytes>")
                + ",context=" + (context == null ? "null" : "<" + context.length + " bytes>") + ",targetInformation="
                + (targetInformation == null ? "null" : "<" + targetInformation.length + " bytes>") + ",flags=0x"
                + jcifs.smb1.util.Hexdump.toHexString(getFlags(), 8) + "]";
    }

        } else {
            ret.append(Hexdump.toHexString(serverChallenge, 0, serverChallenge.length * 2));
        }
        ret.append(",signingKey=");
        if (signingKey == null) {
            ret.append("null");
        } else {
            ret.append(Hexdump.toHexString(signingKey, 0, signingKey.length * 2));
        }
        ret.append("]");
        return ret.toString();
    }

    /**

     * @param offset
     *            The starting offset at which the SMB header begins.
     * @param length
     *            The length of the SMB data starting at offset.
     * @param request
     *            request message
     * @param response
     *            response message
     */
    void sign(byte[] data, int offset, int length, CommonServerMessageBlock request, CommonServerMessageBlock response);

    /**

     * @param address remote memory address (offset)
     * @param length length of the memory region
     */
    public RdmaChannelInfo(int remoteKey, long address, int length) {
        // Create SMB2_RDMA_TRANSFORM structure
        this.transform = new Smb2RdmaTransform(address, remoteKey, length);
    }

    /**
     * Create from SMB2 RDMA Transform
     *