OK,
I give up !

It is to complicate for me to reach the site. Please use this tools or copy the text...

ftp://ftp.bigwumpus.de/CHKSUM.EXE
ftp://ftp.bigwumpus.de/crc.exe
ftp://ftp.bigwumpus.de/crc.doc
ftp://ftp.bigwumpus.de/FILECRC.COM

This are old utils out of my fundus.