diff --git a/vnc/Makefile b/vnc/Makefile
index b94673e2..82b126f9 100644
--- a/vnc/Makefile
+++ b/vnc/Makefile
@@ -1,6 +1,7 @@
 
-VNCOBJ = ../common/os_calls.o vnc.o ../common/d3des.o vncauth.o
+VNCOBJ = vnc.o os_calls.o d3des.o
 CFLAGS = -Wall -O2 -I../common
+C_OS_FLAGS = $(CFLAGS) -c
 LDFLAGS = -shared
 LIBS = -ldl
 CC = gcc
@@ -12,3 +13,9 @@ vnc: $(VNCOBJ)
 
 clean:
 	rm -f $(VNCOBJ) libvnc.so
+
+os_calls.o:
+	$(CC) $(C_OS_FLAGS) ../common/os_calls.c
+
+d3des.o:
+	$(CC) $(C_OS_FLAGS) ../common/d3des.c
diff --git a/vnc/vnc.c b/vnc/vnc.c
index 2a62ba5e..375c8c11 100644
--- a/vnc/vnc.c
+++ b/vnc/vnc.c
@@ -22,6 +22,20 @@
 
 #include "vnc.h"
 
+/******************************************************************************/
+/* taken from vncauth.c */
+void rfbEncryptBytes(char* bytes, char* passwd)
+{
+  char key[12];
+
+  /* key is simply password padded with nulls */
+  g_memset(key, 0, sizeof(key));
+  g_strncpy(key, passwd, 8);
+  rfbDesKey((unsigned char*)key, EN0); /* 0, encrypt */
+  rfbDes((unsigned char*)bytes, (unsigned char*)bytes);
+  rfbDes((unsigned char*)(bytes + 8), (unsigned char*)(bytes + 8));
+}
+
 /******************************************************************************/
 /* returns error */
 int lib_recv(struct vnc* v, char* data, int len)
@@ -849,7 +863,7 @@ int lib_mod_connect(struct vnc* v)
         error = lib_recv(v, s->data, 16);
         if (error == 0)
         {
-          rfbEncryptBytes((unsigned char*)s->data, v->password);
+          rfbEncryptBytes(s->data, v->password);
           error = lib_send(v, s->data, 16);
         }
       }
diff --git a/vnc/vnc.h b/vnc/vnc.h
index cd7a1aa5..e7ea0ba1 100644
--- a/vnc/vnc.h
+++ b/vnc/vnc.h
@@ -24,8 +24,7 @@
 #include "arch.h"
 #include "parse.h"
 #include "os_calls.h"
-
-void rfbEncryptBytes(unsigned char *bytes, char *passwd);
+#include "d3des.h"
 
 struct vnc
 {
diff --git a/vnc/vncauth.c b/vnc/vncauth.c
deleted file mode 100644
index e2d4b97c..00000000
--- a/vnc/vncauth.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- *  Copyright (C) 1999 AT&T Laboratories Cambridge.  All Rights Reserved.
- *
- *  This is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This software is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
- *  USA.
- */
-
-/*
- * vncauth.c - Functions for VNC password management and authentication.
- */
-
-/*
-  stripped down Jay Sorg for xrdp
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include "d3des.h"
-#include <string.h>
-#include <math.h>
-
-
-void rfbEncryptBytes(unsigned char *bytes, char *passwd)
-{
-    unsigned char key[8];
-    unsigned int i;
-
-    /* key is simply password padded with nulls */
-
-    for (i = 0; i < 8; i++) {
-	if (i < strlen(passwd)) {
-	    key[i] = passwd[i];
-	} else {
-	    key[i] = 0;
-	}
-    }
-
-    rfbDesKey(key, EN0);
-
-    for (i = 0; i < 16; i += 8) {
-	rfbDes(bytes+i, bytes+i);
-    }
-}