byte[] p24 = new byte[24];
        System.arraycopy(passwordHash, 0, p21, 0, 16);
        NtlmUtil.E(p21, challenge, p24);
        return p24;
    }


    /**
     * Generate the ANSI DES hash for the password associated with these credentials.
     * 
     * @param tc
     * @param password
     * @param challenge
     * @return the calculated response
     * @throws GeneralSecurityException

        DEFAULT_USERNAME = Config.getProperty("jcifs.smb1.smb.client.username", "GUEST");
        DEFAULT_PASSWORD = Config.getProperty("jcifs.smb1.smb.client.password", BLANK);
    }

/**
 * Generate the ANSI DES hash for the password associated with these credentials.
 */
    static public byte[] getPreNTLMResponse( String password, byte[] challenge ) {
        byte[] p14 = new byte[14];
        byte[] p21 = new byte[21];

     */
    public boolean isPreferredMech ( ASN1ObjectIdentifier mechanism ) {
        return NtlmContext.NTLMSSP_OID.equals(mechanism);
    }


    /**
     * Computes the 24 byte ANSI password hash given the 8 byte server challenge.
     * 
     * @param tc
     * @param chlng
     * @return the hash for the given challenge
     * @throws GeneralSecurityException
     */