Hi,
Check the following links:
http://www.sdn.sap.com/irj/scn/downloads?rid=/library/uuid/809ed04c-b5d3-2b10-5393-fd8cb5e71ad7
http://scn.sap.com/docs/DOC-7880?rid=/webcontent/uuid/801f1931-bbd9-2b10-e4be-8c2ae9afe7bf
There is tool in first link it seems to verify the file.
Regards,
Johan