added libvnc/ with RealVNC compatibility fix

[presencevnc] / libvnc / libvncserver / d3des.h

diff --git a/libvnc/libvncserver/d3des.h b/libvnc/libvncserver/d3des.h
new file mode 100755 (executable)
index 0000000..e3761ca
--- /dev/null
+++ b/libvnc/libvncserver/d3des.h
@@ -0,0 +1,56 @@
+#ifndef D3DES_H
+#define D3DES_H
+
+/*
+ * This is D3DES (V5.09) by Richard Outerbridge with the double and
+ * triple-length support removed for use in VNC.
+ *
+ * These changes are:
+ *  Copyright (C) 1999 AT&T Laboratories Cambridge.  All Rights Reserved.
+ *
+ * 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.
+ */
+
+/* d3des.h -
+ *
+ *     Headers and defines for d3des.c
+ *     Graven Imagery, 1992.
+ *
+ * Copyright (c) 1988,1989,1990,1991,1992 by Richard Outerbridge
+ *     (GEnie : OUTER; CIS : [71755,204])
+ */
+
+#define EN0    0       /* MODE == encrypt */
+#define DE1    1       /* MODE == decrypt */
+
+extern void rfbDesKey(unsigned char *, int);
+/*                   hexkey[8]     MODE
+ * Sets the internal key register according to the hexadecimal
+ * key contained in the 8 bytes of hexkey, according to the DES,
+ * for encryption or decryption according to MODE.
+ */
+
+extern void rfbUseKey(unsigned long *);
+/*                 cookedkey[32]
+ * Loads the internal key register with the data in cookedkey.
+ */
+
+extern void rfbCPKey(unsigned long *);
+/*                cookedkey[32]
+ * Copies the contents of the internal key register into the storage
+ * located at &cookedkey[0].
+ */
+
+extern void rfbDes(unsigned char *, unsigned char *);
+/*                 from[8]           to[8]
+ * Encrypts/Decrypts (according to the key currently loaded in the
+ * internal key register) one block of eight bytes at address 'from'
+ * into the block at address 'to'.  They can be the same.
+ */
+
+/* d3des.h V5.09 rwo 9208.04 15:06 Graven Imagery
+ ********************************************************************/
+
+#endif