this.context = tc;
    }

    /**
     * Create an {@code NtlmPasswordAuthentication} object with raw password
     * hashes. This is used exclusively by the {@code jcifs.http.NtlmSsp}
     * class which is in turn used by NTLM HTTP authentication functionality.
     *
     * @param domain the authentication domain
     * @param username the username to authenticate with
     * @param challenge the server challenge bytes

     */
    public void setKey(final byte[] key) {

        // CHECK PAROTY TBD
        deskey(key, true, encryptKeys);
        deskey(key, false, decryptKeys);
    }

    // Turn an 8-byte key into internal keys.
    private void deskey(final byte[] keyBlock, final boolean encrypting, final int[] KnL) {

        int i, j, l, m, n;
        final int[] pc1m = new int[56];

        }
    }

    /**
     * Create an {@code NtlmPasswordAuthentication} object with raw password
     * hashes. This is used exclusively by the {@code jcifs.smb1.http.NtlmSsp}
     * class which is in turn used by NTLM HTTP authentication functionality.
     */
    /**
     * Create an NtlmPasswordAuthentication object with raw password hashes.
     *
     * @param domain the authentication domain

     *
     * @return <code>true</code> if the file is read-only
     * @throws CIFSException if an error occurs accessing the resource
     */
    boolean canRead() throws CIFSException;

    /**
     * Turn off the read-only attribute of this file. This is shorthand for
     * <code>setAttributes( getAttributes() &amp; ~ATTR_READONLY )</code>.
     *
     * @throws CIFSException if an error occurs modifying the resource
     */

     */
    public void setReadOnly() throws SmbException {
        setAttributes(getAttributes() | ATTR_READONLY);
    }

    /**
     * Turn off the read-only attribute of this file. This is shorthand for
     * {@code setAttributes( getAttributes() & ~ATTR_READONLY )}.
     *
     * @throws SmbException if an error occurs while clearing the read-only flag