Don't know about .Net but there's an article at
http://www.ciphersbyritter.com/ARTS/CRCMYST.HTM that discusses algorithm behind SYS(2007) in details.
>How can I implement the equivalent to sys(2007) in vb.net?
>I do not mean some checksum function, I need to generate the exact same output given the same input.
>
--sb--