* In Windows: use a tool like the [http://www.shareup.com/HashCalc-download-22889.html HashCalc utility]
* In Mac OS X, use [http://beeblebrox.org/hashtabmac/ Hashtab]
'''PLEASE NOTE''' that the amahi system expects the sha1sum in lowercase at lease for now! Please convert it to lowercase any time you put it in amahi.org