Index: rpmdb/legacy.c
===================================================================
RCS file: /v/rpm/cvs/rpm/rpmdb/legacy.c,v
retrieving revision 1.44.4.3
diff -p -u -w -r1.44.4.3 legacy.c
--- rpmdb/legacy.c	16 Apr 2012 23:43:34 -0000	1.44.4.3
+++ rpmdb/legacy.c	2 Oct 2012 20:17:21 -0000
@@ -282,8 +282,10 @@ int dodigest(int dalgo, const char * fn,
 exit:
     if (fsizep)
 	*fsizep = fsize;
-    if (!rc)
+    if (!rc) {
 	memcpy(digest, dsum, dlen);
+	if (asAscii) digest[dlen] = '\0';
+    }
     dsum = _free(dsum);
 
     return rc;