diff --git a/plugins/include/amxmodx.inc b/plugins/include/amxmodx.inc
index 5e824366..0f6b7f37 100755
--- a/plugins/include/amxmodx.inc
+++ b/plugins/include/amxmodx.inc
@@ -639,3 +639,9 @@ forward inconsistent_file(id,const filename[], reason[64] );
 /* Forces the client and server to be running with the same
 * version of the specified file ( e.g., a player model ). */
 native force_unmodified(force_type, mins[3] , maxs[3], const filename[]);
+
+/* Calculates the md5 keysum of a string */
+native md5(const szString[], md5buffer[33]);
+
+/* Calculates the md5 keysum of a file */
+native md5_file(const file[], md5buffer[33]);
\ No newline at end of file