Index: trunk/include/samhain.h
===================================================================
--- trunk/include/samhain.h	(revision 92)
+++ trunk/include/samhain.h	(revision 93)
@@ -124,4 +124,6 @@
   SH_CHECK_CHECK   = 2
 };
+
+#define SH_KEY_NULL _("000000000000000000000000000000000000000000000000")
 
 /**************************************************
Index: trunk/include/sh_utils.h
===================================================================
--- trunk/include/sh_utils.h	(revision 92)
+++ trunk/include/sh_utils.h	(revision 93)
@@ -102,5 +102,9 @@
 int sh_util_obscure_ok (const char * str);
 
-/* read a hexchar
+/* output a hexchar[2]
+ */
+char * sh_util_charhex( unsigned char c );
+
+/* read a hexchar, return int value (0-15)
  */
 int sh_util_hexchar( char c );