case 2:
                this.macSigningKey = new byte[40];
                auth.getUserSessionKey(transport.getContext(), serverEncryptionKey, this.macSigningKey, 0);
                System.arraycopy(auth.getUnicodeHash(transport.getContext(), serverEncryptionKey), 0, this.macSigningKey, 16, 24);
                break;
            case 3:
            case 4:
            case 5:
                this.macSigningKey = new byte[16];

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

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

     * Computes the 24 byte Unicode password hash given the 8 byte server challenge.
     *
     * @param challenge the server challenge bytes
     * @return the Unicode password hash
     */
    public byte[] getUnicodeHash(final byte[] challenge) {
        if (hashesExternal) {
            return unicodeHash;
        }
        return switch (LM_COMPATIBILITY) {
        case 0, 1, 2 -> getNTLMResponse(password, challenge);

                return null;
            }).when(mockAuth).getUserSessionKey(eq(mockContext), eq(serverEncryptionKey), any(byte[].class), eq(0));

            when(mockAuth.getUnicodeHash(mockContext, serverEncryptionKey)).thenReturn(unicodeHash);
        }
    }