* @throws GeneralSecurityException if a security error occurs
     * @deprecated NTLMv1 is insecure. Use NTLMv2 (LM compatibility level 3 or higher)
     */
    @Deprecated
    public byte[] getAnsiHash(CIFSContext tc, byte[] chlng) throws GeneralSecurityException {
        int compatibility = tc.getConfig().getLanManCompatibility();

        // Log warning for insecure NTLMv1 usage
        if (compatibility < 3) {

    /**
     * Computes the 24 byte ANSI password hash given the 8 byte server challenge.
     *
     * @param challenge the server challenge bytes
     * @return the ANSI password hash
     */
    public byte[] getAnsiHash(final byte[] challenge) {
        if (hashesExternal) {
            return ansiHash;
        }
        switch (LM_COMPATIBILITY) {
        case 0:
        case 1: